15 Best Thermal Paste in 2026

When selecting the best thermal paste, the key considerations are thermal conductivity, ease of application, and longevity. The Noctua NT-H2 stands out as the best overall choice thanks to its balanced performance and user-friendly design. For those seeking maximum performance, the Thermal Grizzly Kryonaut Extreme offers top-tier thermal transfer but comes at a higher price. Budget-conscious buyers will appreciate reliable options like the ARCTIC MX-4, which delivers solid performance at a lower cost. Keep reading for a detailed breakdown of these options and more, to help you find the perfect thermal paste for your setup.

15
compared
4
brands
Which thermal paste should you buy?
★ Top Pick
Noctua NT-H2 3.5g Thermal Comp
Best Overall for Long-Term Stability
Long-term stability up to 5 years on CPUs
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Budget-conscious builders and first-time PC assembly enthusiasts seeking straightforward, effective thermal paste
ARCTIC MX-4 20 g Thermal Paste
High thermal conductivity for efficient heat transfer
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Users who want a low-maintenance, auto-spreading thermal paste for regular upgrades or multiple devices
ARCTIC MX-7 Thermal Paste
Excellent heat transfer performance
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Overclockers and power users needing maximum thermal performance in a small package
Thermal Grizzly Kryonaut Extre
Exceptional thermal conductivity for high-performance overclocking
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Users seeking a stable, long-lasting thermal paste for small builds or occasional upgrades
ARCTIC MX-7 Thermal Paste
Exceptional heat transfer performance
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Pros & cons at a glance
Noctua NT-H2 3.5g Thermal Comp
✓ Long-term stability up to 5 years on CPUs
✗ Limited amount for multiple applications
ARCTIC MX-4 20 g Thermal Paste
✓ High thermal conductivity for efficient heat transfer
✗ Limited to 20g, requiring reapplication for extensive use
ARCTIC MX-7 Thermal Paste
✓ Excellent heat transfer performance
✗ Cannot be manually spread, requiring proper surface application
Thermal Grizzly Kryonaut Extre
✓ Exceptional thermal conductivity for high-performance overclocking
✗ Requires precise application to avoid excess or uneven spread
ARCTIC MX-7 Thermal Paste
✓ Exceptional heat transfer performance
✗ Cannot be manually spread, relies on natural distribution
ARCTIC MX-6 Thermal Paste
✓ Improved thermal performance over previous models
✗ Limited to 4 grams, requiring more frequent reapplications
ARCTIC MX-4 Thermal Paste
✓ High thermal conductivity for efficient heat transfer
✗ Bulk size may be unnecessary for single builds
Corsair TM30 Performance Therm
✓ Easy to apply with included stencil and spreader
✗ Limited to 3 grams, requiring reapplication for multiple uses
Thermal Grizzly Kryonaut 1 Gra
✓ Exceptional heat conductivity for demanding tasks
✗ Limited to 1 gram, requiring frequent reapplication
ARCTIC MX-7 Thermal Paste
✓ High thermal conductivity for efficient heat transfer
✗ Cannot be spread manually, requires proper application technique
Thermal Grizzly Kryonaut 1 Gra
✓ Exceptional thermal conductivity for demanding applications
✗ Limited quantity (1 gram) may require frequent reapplication
ARCTIC MX-6 Thermal Paste
✓ High thermal conductivity improves cooling performance
✗ Limited amount per package (4 g), may need reapplication
ARCTIC MX-6 Thermal Paste
✓ Improved thermal performance over older versions
✗ Size may be excessive for single-use or casual users
ARCTIC MX-4 Thermal Paste
✓ High thermal conductivity for effective heat dissipation
✗ Small 4 g package may require frequent reapplication
ARCTIC MX-4 Thermal Paste
✓ High thermal conductivity ensures efficient heat transfer
✗ Small 4 g size may require frequent reapplication

Key Takeaways

  • Top performers like Thermal Grizzly Kryonaut Extreme push thermal conductivity to the max but come at a premium price.
  • The ARCTIC MX-4 offers excellent value, balancing cost with reliable thermal performance for most users.
  • Ease of application varies; some pastes include cleaning wipes or spatulas, making installation simpler for beginners.
  • Larger quantities like 45g tubes are more economical long-term, especially for multiple builds or maintenance.
  • High-performance pastes often require careful application to avoid excess or air gaps, which can reduce effectiveness.
2
ARCTIC MX-4 20 g Thermal Paste
Best Value for Beginners
1
Noctua NT-H2 3.5g Thermal Comp
Best Overall for Long-Term Stability
3
ARCTIC MX-7 Thermal Paste
Best for Automatic Spreading and Long-Term Use

Our Top Best Thermal Paste Picks

Noctua NT-H2 3.5g Thermal Compound with Cleaning WipesNoctua NT-H2 3.5g Thermal Compound with Cleaning WipesBest Overall for Long-Term StabilityWeight: 3.5gApplication: 3-20 applications depending on CPU sizeIncluded: 3 cleaning wipesVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-4 20 g Thermal Paste for CPU and GPUARCTIC MX-4 20 g Thermal Paste for CPU and GPUBest Value for BeginnersQuantity: 20 gType: Thermal PasteMaterial: Carbon microparticlesVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-7 Thermal Paste (8 g)ARCTIC MX-7 Thermal Paste (8 g)Best for Automatic Spreading and Long-Term UsePerformance: High thermal conductivityConsistency: Dense, viscousApplication: Automatic spreadingVIEW LATEST PRICESee Our Full Breakdown
Thermal Grizzly Kryonaut Extreme Thermal Paste – 2g with Cleaning WipesThermal Grizzly Kryonaut Extreme Thermal Paste - 2g with Cleaning WipesBest for Overclocking and Demanding SetupsVolume: 2 gramsApplication: Includes syringe and applicatorCleaning Wipes: 6 wet and 6 dry wipesVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-7 Thermal Paste (4 g)ARCTIC MX-7 Thermal Paste (4 g)Best for Long-Lasting Stability in Compact SizeVolume: 4 gThermal Conductivity: Very highApplication: Non-spread, self-distributingVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-6 Thermal Paste (4 g) for CPU, Graphics Cards, and ConsolesARCTIC MX-6 Thermal Paste (4 g) for CPU, Graphics Cards, and ConsolesBest Overall for Versatile High-Performance CoolingVolume: 4 gThermal Conductivity: Very highApplication: CPU, graphics cards, laptops, consolesVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-4 Thermal Paste (45 g) for CPU and GPUARCTIC MX-4 Thermal Paste (45 g) for CPU and GPUBest Value for Long-Lasting PerformanceWeight: 45 gType: Thermal PasteApplication: CPU, GPUVIEW LATEST PRICESee Our Full Breakdown
Corsair TM30 Performance Thermal Paste, 3 Grams, Silver for CPU/GPUCorsair TM30 Performance Thermal Paste, 3 Grams, Silver for CPU/GPUBest for Ease of Application and StabilityType: Thermal PasteMaterial: Zinc OxideVolume: 3 gramsVIEW LATEST PRICESee Our Full Breakdown
Thermal Grizzly Kryonaut 1 Gram Thermal Paste with Cleaning WipesThermal Grizzly Kryonaut 1 Gram Thermal Paste with Cleaning WipesBest for Overclockers and Demanding ApplicationsThermal Conductivity: ExtremePackage Size: 1 GramIncludes: 12 Cleaning WipesVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-7 Thermal Paste (4 g) with MX-CleanerARCTIC MX-7 Thermal Paste (4 g) with MX-CleanerBest for Stability and Easy Surface PreparationWeight: 4 gIncludes: MX-CleanerType: Thermal PasteVIEW LATEST PRICESee Our Full Breakdown
Thermal Grizzly Kryonaut 1 Gram High-Performance Thermal PasteThermal Grizzly Kryonaut 1 Gram High-Performance Thermal PasteBest Overall for Demanding OverclockingQuantity: 1 GramThermal Conductivity: Extreme heat conductivityApplication: Easy application with syringe and spatulaVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-6 Thermal Paste (4 g, includes 6 MX Cleaner) – High Performance CPU, GPU, and Laptop Thermal CompoundARCTIC MX-6 Thermal Paste (4 g, includes 6 MX Cleaner) - High Performance CPU, GPU, and Laptop Thermal CompoundBest for Versatility and Safe ApplicationWeight: 4 gIncludes: 6 MX CleanerType: Thermal PasteVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-6 Thermal Paste (8 g)ARCTIC MX-6 Thermal Paste (8 g)Best for Longer-Lasting VersatilityWeight: 8 gThermal Conductivity: Very highApplication: CPU, GPU, consoles, laptopsVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-4 Thermal Paste (4 g) for CPU and GPUARCTIC MX-4 Thermal Paste (4 g) for CPU and GPUBest for Long-Lasting Reliability in Entry-Level BuildsPackage Size: 4 gApplication: CPU, GPU, PS4, XboxThermal Conductivity: Very highVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-4 Thermal Paste (4g) with Spatula – High Performance CPU and GPU Thermal CompoundARCTIC MX-4 Thermal Paste (4g) with Spatula - High Performance CPU and GPU Thermal CompoundBest for Beginners and Precise ApplicationQuantity: 4 gApplication: CPU, GPUFeatures: High thermal conductivity, Non-electrical conductive, Safe for electronicsVIEW LATEST PRICESee Our Full Breakdown
Specs at a glance
thermal pasteApplication
Noctua NT-H2 3.5g Thermal Comp3-20 applications depending on CPU size
ARCTIC MX-4 20 g Thermal Paste
ARCTIC MX-7 Thermal PasteAutomatic spreading
Thermal Grizzly Kryonaut ExtreIncludes syringe and applicator
ARCTIC MX-7 Thermal PasteNon-spread, self-distributing
ARCTIC MX-6 Thermal PasteCPU, graphics cards, laptops, consoles
ARCTIC MX-4 Thermal PasteCPU, GPU
Corsair TM30 Performance Therm
Thermal Grizzly Kryonaut 1 Gra
ARCTIC MX-7 Thermal Paste
Thermal Grizzly Kryonaut 1 GraEasy application with syringe and spatula
ARCTIC MX-6 Thermal PasteCPU, GPU, Laptop, Console
ARCTIC MX-6 Thermal PasteCPU, GPU, consoles, laptops
ARCTIC MX-4 Thermal PasteCPU, GPU, PS4, Xbox
ARCTIC MX-4 Thermal PasteCPU, GPU

More Details on Our Top Picks

  1. Noctua NT-H2 3.5g Thermal Compound with Cleaning Wipes

    Noctua NT-H2 3.5g Thermal Compound with Cleaning Wipes

    Best Overall for Long-Term Stability

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    The Noctua NT-H2 stands out for its long-term stability and ease of application, making it ideal for users who want reliable, maintenance-free cooling over years. Compared with the ARCTIC MX-4, it offers comparable thermal performance but excels in longevity, with up to 5 years of stability. Its included cleaning wipes add convenience, though the 3.5g size may be limiting for multiple builds or extensive maintenance. This paste is better suited for desktop users prioritizing durability rather than frequent reapplication, especially in high-performance setups.

    Pros:
    • Long-term stability up to 5 years on CPUs
    • Easy to apply without spreading before installation
    • Includes cleaning wipes for quick surface prep
    Cons:
    • Limited amount for multiple applications
    • Designed mainly for desktops and gaming consoles, not for large-scale use

    Best for: PC builders and enthusiasts seeking a reliable, long-lasting paste for multiple applications without frequent reapplication

    Not ideal for: Casual users or those needing large quantities for extensive builds, as 3.5g may be insufficient

    • Weight:3.5g
    • Application:3-20 applications depending on CPU size
    • Included:3 cleaning wipes
    • Compatibility:Air and liquid coolers, desktops, laptops, gaming consoles
    Our verdict
    “This paste is perfect for users who prioritize long-term stability and straightforward application over volume.”
  2. ARCTIC MX-4 20 g Thermal Paste for CPU and GPU

    ARCTIC MX-4 20 g Thermal Paste for CPU and GPU

    Best Value for Beginners

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    The ARCTIC MX-4 offers a high level of thermal conductivity at an attractive price point, making it ideal for newcomers and seasoned builders alike. Its non-conductive, safe-to-use formula provides an easy application process, especially compared to the more viscous ARCTIC MX-7. While the 20g size is generous, it may require frequent reapplication if used across many systems or for multiple upgrades, which could add to ongoing costs. This paste is well-suited for users who want a dependable, affordable solution without the complexity of manual spreading.

    Pros:
    • High thermal conductivity for efficient heat transfer
    • Non-electrical conductive and safe to handle
    • Easy to apply, suitable for beginners
    Cons:
    • Limited to 20g, requiring reapplication for extensive use
    • May need frequent reapplication for high-performance overclocking

    Best for: Budget-conscious builders and first-time PC assembly enthusiasts seeking straightforward, effective thermal paste

    Not ideal for: Overclockers or users with large-scale setups needing extensive quantities for multiple systems

    • Quantity:20 g
    • Type:Thermal Paste
    • Material:Carbon microparticles
    • Safety:Non-conductive
    Our verdict
    “This thermal paste strikes a balance between affordability and performance, ideal for those new to building or upgrading PCs.”
  3. ARCTIC MX-7 Thermal Paste (8 g)

    ARCTIC MX-7 Thermal Paste (8 g)

    Best for Automatic Spreading and Long-Term Use

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    The ARCTIC MX-7 is designed for automatic spreading, providing a consistent, thin bond line with minimal effort, which makes it a strong pick for users who prefer a clean, hassle-free application. Compared to the ARCTIC MX-4, it offers similar high thermal performance but excels in ease of application thanks to its viscous consistency that spreads itself evenly. Its 8g size is suitable for a few applications, but users with ongoing upgrades or multiple devices might find it limiting. Proper application depends on correct surface prep and handling.

    Pros:
    • Excellent heat transfer performance
    • Long-lasting stability resistant to pump-out and dry-out
    • Safe for all electronic devices due to non-conductive nature
    Cons:
    • Cannot be manually spread, requiring proper surface application
    • Performance depends on correct application technique

    Best for: Users who want a low-maintenance, auto-spreading thermal paste for regular upgrades or multiple devices

    Not ideal for: Overclockers or those needing manual control for precision application, as it cannot be manually spread

    • Performance:High thermal conductivity
    • Consistency:Dense, viscous
    • Application:Automatic spreading
    • Durability:Long-lasting, pump-out resistant
    • Electrical Safety:Non-conductive
    • Package Size:8 g
    Our verdict
    “Ideal for users seeking a reliable, self-spreading paste that requires minimal effort for long-term stability.”
  4. Thermal Grizzly Kryonaut Extreme Thermal Paste – 2g with Cleaning Wipes

    Thermal Grizzly Kryonaut Extreme Thermal Paste - 2g with Cleaning Wipes

    Best for Overclocking and Demanding Setups

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    Kryonaut Extreme is tailored for enthusiasts who push their systems to the limit, offering exceptional thermal conductivity in a tiny 2g syringe. Compared with the larger ARCTIC MX-7, it delivers superior heat transfer for overclocked CPUs and GPUs, but its small size and higher price make it less suitable for casual users or those with multiple systems. Its included cleaning wipes simplify surface prep, ensuring optimal application. However, careful handling is necessary to prevent excess, and cost considerations may deter budget-conscious builders.

    Pros:
    • Exceptional thermal conductivity for high-performance overclocking
    • Includes cleaning wipes for surface preparation
    • Long-lasting, stable performance in demanding conditions
    Cons:
    • Small quantity, potentially expensive per build
    • Requires precise application to avoid excess or uneven spread

    Best for: Overclockers and power users needing maximum thermal performance in a small package

    Not ideal for: Casual gamers or users with multiple systems who require larger quantities at lower costs

    • Volume:2 grams
    • Application:Includes syringe and applicator
    • Cleaning Wipes:6 wet and 6 dry wipes
    • Compatibility:CPU, GPU, PS4, PS5, Xbox
    • Curing:Non-curing formula
    • Temperature Stability:Up to 80°C
    Our verdict
    “This paste is perfect for overclockers and enthusiasts who demand top-tier thermal transfer in a compact form.”
  5. ARCTIC MX-7 Thermal Paste (4 g)

    ARCTIC MX-7 Thermal Paste (4 g)

    Best for Long-Lasting Stability in Compact Size

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    The ARCTIC MX-7 in its 4g size offers a dense, viscous formula that self-distributes for efficient heat transfer, making it a solid choice for users needing a durable, long-lasting solution. Compared to the larger 20g tube of MX-4, the 4g MX-7 is more suited for small builds or limited reapplication needs. It provides excellent stability without pump-out or drying, but manual spreading isn’t possible, which could affect performance if applied improperly. It’s a good pick for those prioritizing reliability over volume.

    Pros:
    • Exceptional heat transfer performance
    • Long-lasting stability without pump-out or drying
    • Safe for all electronic devices
    Cons:
    • Cannot be manually spread, relies on natural distribution
    • Requires MX Cleaner for removal and reapplication

    Best for: Users seeking a stable, long-lasting thermal paste for small builds or occasional upgrades

    Not ideal for: Power users or overclockers who need precise manual application or larger quantities

    • Volume:4 g
    • Thermal Conductivity:Very high
    • Application:Non-spread, self-distributing
    • Electrical Conductivity:Non-conductive
    • Durability:Long-term stability
    Our verdict
    “This paste suits users who need dependable, durable thermal performance in a small amount with minimal effort.”
  6. ARCTIC MX-6 Thermal Paste (4 g) for CPU, Graphics Cards, and Consoles

    ARCTIC MX-6 Thermal Paste (4 g) for CPU, Graphics Cards, and Consoles

    Best Overall for Versatile High-Performance Cooling

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    The ARCTIC MX-6 stands out for offering a high thermal conductivity combined with long-lasting durability, making it a top choice for users who need reliable performance across multiple devices. Compared with the ARCTIC MX-4, the MX-6 provides improved heat transfer, but its 4-gram size limits its longevity for multiple applications. It’s non-conductive, ensuring safety even for beginners handling CPUs, GPUs, and consoles. While its size may require reapplication sooner, its consistent thermal performance justifies the tradeoff for those prioritizing versatility and durability. This pick makes the most sense for users who want a reliable, multi-use paste without frequent reapplication.

    Pros:
    • Improved thermal performance over previous models
    • Non-conductive and safe to use
    • Versatile for CPU, GPU, and console applications
    • Long-lasting durability
    Cons:
    • Limited to 4 grams, requiring more frequent reapplications
    • Not ideal for large-scale or multiple system use

    Best for: System builders, PC enthusiasts, and gamers needing a durable, multi-device thermal paste

    Not ideal for: Users with multiple systems or extensive overclocking setups who need larger quantities for frequent reapplication

    • Volume:4 g
    • Thermal Conductivity:Very high
    • Application:CPU, graphics cards, laptops, consoles
    • Electrical Conductivity:Non-conductive
    • Durability:Long-lasting
    Our verdict
    “Ideal for users seeking a reliable, versatile thermal paste with excellent safety and durability in a compact size.”
  7. ARCTIC MX-4 Thermal Paste (45 g) for CPU and GPU

    ARCTIC MX-4 Thermal Paste (45 g) for CPU and GPU

    Best Value for Long-Lasting Performance

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    The ARCTIC MX-4 offers a generous 45 grams of high-quality thermal paste made from carbon microparticles, delivering excellent heat dissipation for both beginner and advanced users. Its non-conductive design ensures safe application, much like the ARCTIC MX-6, but with a much larger quantity that suits multiple builds or ongoing upgrades. The paste’s ideal consistency makes application straightforward, and its long-lasting performance means fewer reapplications over time. Compared to smaller tubes like the Corsair TM30, MX-4 provides better value per gram, making it perfect for those who want a reliable, long-term solution for multiple systems without sacrificing thermal efficiency. This is best for users who prioritize affordability and volume.

    Pros:
    • High thermal conductivity for efficient heat transfer
    • Non-electrical conductive and safe to use
    • Large 45 g size offers great value
    • Easy to apply with ideal consistency
    Cons:
    • Bulk size may be unnecessary for single builds
    • Requires cleaning for reapplication after long periods

    Best for: Budget-conscious builders and hobbyists managing multiple PCs or upgrades

    Not ideal for: Single-use or small-scale users who prefer quick, minimal applications

    • Weight:45 g
    • Type:Thermal Paste
    • Application:CPU, GPU
    • Material:Carbon microparticles
    • Safety:Non-conductive
    Our verdict
    “Best suited for users needing a cost-effective, high-volume thermal paste for multiple applications over time.”
  8. Corsair TM30 Performance Thermal Paste, 3 Grams, Silver for CPU/GPU

    Corsair TM30 Performance Thermal Paste, 3 Grams, Silver for CPU/GPU

    Best for Ease of Application and Stability

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    The Corsair TM30 makes a compelling case for users who value straightforward application and stable long-term performance. Its zinc oxide-based formula provides ultra-low thermal impedance, similar to the Thermal Grizzly Kryonaut, but in a compact 3-gram tube ideal for quick reapplications or small builds. The included spreader and stencil simplify the process, especially for less experienced users. While the limited quantity means reapplication may be needed for multiple devices, its non-conductive nature and resistance to drying or cracking give it an edge for those seeking a consistent, hassle-free thermal interface. It’s better suited to users who prefer convenience and precision in a small package, rather than large-volume needs.

    Pros:
    • Easy to apply with included stencil and spreader
    • Ultra-low thermal impedance for better cooling
    • Long service life without cracking or drying
    • Non-conductive and safe for all components
    Cons:
    • Limited to 3 grams, requiring reapplication for multiple uses
    • Potential for excess if not carefully applied

    Best for: Enthusiasts and DIYers prioritizing easy application and reliable performance in small quantities

    Not ideal for: Users managing multiple high-performance systems or overclockers needing extensive quantities

    • Type:Thermal Paste
    • Material:Zinc Oxide
    • Volume:3 grams
    • Features:Non-conductive, easy application
    Our verdict
    “Perfect for users who want a small, easy-to-apply thermal paste with dependable stability for single or few systems.”
  9. Thermal Grizzly Kryonaut 1 Gram Thermal Paste with Cleaning Wipes

    Thermal Grizzly Kryonaut 1 Gram Thermal Paste with Cleaning Wipes

    Best for Overclockers and Demanding Applications

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    The Thermal Grizzly Kryonaut in its 1-gram size is tailored for overclockers and users pushing their systems to the limit. Its extreme thermal conductivity surpasses most pastes, comparable to the ARCTIC MX-6, but in a tiny 1-gram syringe that’s ideal for precise applications or limited use. The included 12 cleaning wipes facilitate surface prep, which is essential for high-performance setups. Despite its small size, Kryonaut excels in heat transfer, making it a favorite among overclockers, though it may need frequent reapplication in multi-system environments due to limited quantity. Its high cost per gram makes it less suitable for general use, but for demanding applications, this paste provides unmatched performance.

    Pros:
    • Exceptional heat conductivity for demanding tasks
    • Includes cleaning wipes for optimal surface prep
    • Easy to apply with syringe and spatula
    • Long-lasting performance without drying
    Cons:
    • Limited to 1 gram, requiring frequent reapplication
    • High cost per gram for casual users

    Best for: Overclockers and enthusiasts who require maximum thermal performance in small quantities

    Not ideal for: Casual users or those who need bulk or longer-term solutions across multiple systems

    • Thermal Conductivity:Extreme
    • Package Size:1 Gram
    • Includes:12 Cleaning Wipes
    Our verdict
    “Ideal for overclockers and high-performance users needing top-tier thermal conductivity in minimal amounts.”
  10. ARCTIC MX-7 Thermal Paste (4 g) with MX-Cleaner

    ARCTIC MX-7 Thermal Paste (4 g) with MX-Cleaner

    Best for Stability and Easy Surface Preparation

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    The ARCTIC MX-7 offers a solid balance of high thermal conductivity and long-term stability, making it a good choice for those who want a dependable thermal interface for various devices. Its non-conductive formula provides safety for users, similar to the ARCTIC MX-6, but with added convenience through the included MX-Cleaner for surface prep. Unlike the Corsair TM30, which emphasizes ease of application, MX-7’s strength lies in its stable performance over time, especially in systems prone to pump-out or dry-out. The 4-gram size strikes a good balance for occasional reapplications but may be insufficient for heavy usage. It’s perfect for users seeking reliable, easy-to-maintain thermal paste with surface cleaning included.

    Pros:
    • High thermal conductivity for efficient heat transfer
    • Long-lasting stability resistant to pump-out and dry-out
    • Includes MX-Cleaner for easy surface prep
    • Safe due to non-conductive formula
    Cons:
    • Cannot be spread manually, requires proper application technique
    • Performance depends heavily on correct contact quality

    Best for: PC builders and upgrade enthusiasts seeking a stable, easy-to-prepare thermal interface

    Not ideal for: Overclockers or users who need large quantities or frequent reapplications

    • Weight:4 g
    • Includes:MX-Cleaner
    • Type:Thermal Paste
    • Features:High thermal conductivity, long durability
    Our verdict
    “Best for users seeking a stable, easy-to-prepare thermal paste with surface cleaning included for reliable long-term use.”
  11. Thermal Grizzly Kryonaut 1 Gram High-Performance Thermal Paste

    Thermal Grizzly Kryonaut 1 Gram High-Performance Thermal Paste

    Best Overall for Demanding Overclocking

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    This pick stands out for its exceptional thermal conductivity, making it ideal for overclockers and those pushing their CPUs and GPUs to the limit. Compared with the ARCTIC MX-6, Kryonaut offers superior heat transfer, but its small 1-gram size can be a drawback for users with multiple systems. Its ease of application with the included syringe and spatula ensures a clean, even spread, and it remains long-lasting without drying out even at high temperatures. However, frequent reapplication might be needed for multiple builds or extensive use due to its limited quantity. This paste is perfect for enthusiasts seeking maximum performance and willing to manage reapplication.

    Pros:
    • Exceptional thermal conductivity for demanding applications
    • Easy to apply with included syringe and spatula
    • Long-lasting performance without drying out
    Cons:
    • Limited quantity (1 gram) may require frequent reapplication
    • Cost per gram is higher than larger packages

    Best for: Overclockers and high-performance PC builders who prioritize top-tier thermal transfer.

    Not ideal for: Casual users or those building multiple systems who need larger quantities or a more budget-friendly option.

    • Quantity:1 Gram
    • Thermal Conductivity:Extreme heat conductivity
    • Application:Easy application with syringe and spatula
    • Temperature Resistance:Does not dry out even at 80°C
    Our verdict
    “This is the best choice for users who need maximum thermal performance and are okay with reapplying frequently.”
  12. ARCTIC MX-6 Thermal Paste (4 g, includes 6 MX Cleaner) – High Performance CPU, GPU, and Laptop Thermal Compound

    ARCTIC MX-6 Thermal Paste (4 g, includes 6 MX Cleaner) - High Performance CPU, GPU, and Laptop Thermal Compound

    Best for Versatility and Safe Application

    View Latest Price

    This version of ARCTIC MX-6 offers a balance of solid thermal performance with non-conductive safety, making it suitable for a wide range of devices from CPUs to laptops. Compared to the larger 8 g version, this smaller 4 g package is more convenient for quick projects but may be less economical for multiple reapplications. Its non-conductive nature makes it safer for novices or in tight spaces where accidental shorts are a concern, and the included MX Cleaner simplifies the process of maintaining clean application. While it provides improved thermal transfer over older pastes, careful application is needed to avoid uneven coverage. This paste is ideal for users seeking a safe, versatile, and reliable thermal interface for single or occasional use.

    Pros:
    • High thermal conductivity improves cooling performance
    • Non-conductive and safe to use with no risk of shorts
    • Includes MX Cleaner for easy maintenance
    Cons:
    • Limited amount per package (4 g), may need reapplication
    • Requires careful application to ensure optimal contact

    Best for: DIY PC builders needing a safe, versatile thermal paste for various devices, including laptops and consoles.

    Not ideal for: Enthusiasts who require the highest thermal conductivity for extreme overclocking or frequent reapplications.

    • Weight:4 g
    • Includes:6 MX Cleaner
    • Type:Thermal Paste
    • Application:CPU, GPU, Laptop, Console
    Our verdict
    “This paste is well-suited for users who prioritize safety and versatility over maximum thermal performance.”
  13. ARCTIC MX-6 Thermal Paste (8 g)

    ARCTIC MX-6 Thermal Paste (8 g)

    Best for Longer-Lasting Versatility

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    Compared with the 4 g version, the 8 g ARCTIC MX-6 offers more volume for multiple reapplications, making it a solid choice for users who want a long-term, versatile thermal interface. It delivers very high thermal conductivity and maintains a non-conductive profile, making it safe for various applications, from gaming PCs to consoles. Its improved performance over previous versions ensures better heat transfer, but the larger size might be unnecessary for those with minimal systems. The product’s durability and ease of application make it suitable for both seasoned builders and DIY enthusiasts, though reapplication may still be needed over time for optimal thermal results.

    Pros:
    • Improved thermal performance over older versions
    • Non-conductive and safe for electronics
    • Large 8 g size offers better value and longevity
    • Versatile application for CPUs, GPUs, and consoles
    Cons:
    • Size may be excessive for single-use or casual users
    • Reapplication still necessary over time for peak performance

    Best for: Users who want a reliable, high-quality thermal paste for multiple builds or long-term use without reapplying frequently.

    Not ideal for: Users seeking ultra-high performance for overclocking or those with very limited space and minimal reapplication needs.

    • Weight:8 g
    • Thermal Conductivity:Very high
    • Application:CPU, GPU, consoles, laptops
    • Electrical Conductivity:Non-conductive
    Our verdict
    “This is a strong choice for those who want a durable, high-performance paste for multiple systems or long-term use.”
  14. ARCTIC MX-4 Thermal Paste (4 g) for CPU and GPU

    ARCTIC MX-4 Thermal Paste (4 g) for CPU and GPU

    Best for Long-Lasting Reliability in Entry-Level Builds

    View Latest Price

    The ARCTIC MX-4 4 g offers a reliable option for those who need a dependable thermal interface that lasts up to 8 years, with very high thermal conductivity making it suitable for both CPUs and GPUs. It’s especially appealing to beginners thanks to its easy application and non-conductive, safe profile. Compared to the MX-6, it’s smaller but still provides excellent heat transfer, though frequent reapplication might be necessary for extensive use. Its reputation for durability and safety makes it a favorite for budget-conscious builders or those who prioritize longevity over extreme performance.

    Pros:
    • High thermal conductivity for effective heat dissipation
    • Non-conductive and safe for electronics
    • Lasts up to 8 years, reducing reapplication frequency
    • Easy to apply even for novices
    Cons:
    • Small 4 g package may require frequent reapplication
    • Less suited for extreme overclocking tasks

    Best for: Beginners or users seeking a reliable, easy-to-use paste for infrequent reapplications in gaming or general-purpose PCs.

    Not ideal for: Overclockers or users demanding ultimate thermal performance, who may find the 4 g size limiting.

    • Package Size:4 g
    • Application:CPU, GPU, PS4, Xbox
    • Thermal Conductivity:Very high
    • Durability:At least 8 years
    • Safety:Non-conductive, non-capacitive
    Our verdict
    “This paste works best for users prioritizing longevity, safety, and ease of use in standard or casual builds.”
  15. ARCTIC MX-4 Thermal Paste (4g) with Spatula – High Performance CPU and GPU Thermal Compound

    ARCTIC MX-4 Thermal Paste (4g) with Spatula - High Performance CPU and GPU Thermal Compound

    Best for Beginners and Precise Application

    View Latest Price

    This version of ARCTIC MX-4 includes a spatula for precise application, making it ideal for beginners or those who appreciate a more controlled spread. It offers high thermal conductivity suitable for CPUs and GPUs, with a non-electrical conductive profile that reduces the risk of shorts. Compared with the standard 4 g MX-4, this package emphasizes ease of use, though the small size may necessitate reapplications for extensive or multiple builds. Its safety features and included tool make it a smart choice for users new to thermal pastes, seeking a straightforward, reliable solution.

    Pros:
    • High thermal conductivity ensures efficient heat transfer
    • Safe, non-electrical conductive formula reduces short-circuit risk
    • Includes spatula for precise, controlled application
    • Easy to apply even for beginners
    Cons:
    • Small 4 g size may require frequent reapplication
    • Limited quantity for extensive or multiple uses

    Best for: Beginners or hobbyists who want a straightforward, safe thermal paste with tools for precise application.

    Not ideal for: Advanced overclockers or power users who need larger quantities or maximum thermal performance.

    • Quantity:4 g
    • Application:CPU, GPU
    • Features:High thermal conductivity, Non-electrical conductive, Safe for electronics
    Our verdict
    “This paste is ideal for newcomers who want a safe, easy-to-apply thermal compound with tools included.”
best thermal paste
What makes a great thermal paste
1
Thermal Conductivity and Performance
Thermal conductivity is the most critical metric, indicating how effectively the paste transfers heat.
2
Ease of Application
Some thermal pastes come with tools like spatulas or include cleaning wipes, which make application cleaner and more precise.
3
Longevity and Stability
The durability of thermal paste affects how often you need to reapply, impacting maintenance and reliability.
4
Compatibility and Quantity
Ensure the paste is compatible with your hardware—most work with CPUs and GPUs, but some are optimized for specific surfaces.
How to choose your thermal paste
1
How we picked
In choosing these products, I focused on key factors that matter most to users: thermal conductivity ratings, ease of ap
2
Thermal Conductivity and Performance
Thermal conductivity is the most critical metric, indicating how effectively the paste transfers heat.
3
Ease of Application
Some thermal pastes come with tools like spatulas or include cleaning wipes, which make application cleaner and more pre
4
Longevity and Stability
The durability of thermal paste affects how often you need to reapply, impacting maintenance and reliability.
5
Compatibility and Quantity
Ensure the paste is compatible with your hardware—most work with CPUs and GPUs, but some are optimized for specific surf
Vetted thermal paste ·
The best thermal paste, compared
★ Winner Noctua NT-H2 3.5g Thermal Comp
Best Overall for Long-Term Stability
15compared

How We Picked

In choosing these products, I focused on key factors that matter most to users: thermal conductivity ratings, ease of application, longevity, and value for money. Products with higher thermal transfer efficiency were prioritized, especially for overclockers or high-performance builds. Ease of use, including included tools like spatulas or cleaning wipes, was also important to ensure accessibility for beginners and advanced users alike. We ranked these pastes based on a combination of independent data, manufacturer specifications, and reported user experiences, aiming to present options suited for different needs and budgets.

Which thermal paste fits you?
The everyday user
All-round, reliable
The enthusiast
Premium & high-performance
The gift-giver
Looks & craftsmanship

Factors to Consider When Choosing Best Thermal Paste

Selecting the best thermal paste involves balancing several factors. Beyond raw performance, ease of application, compatibility with your hardware, and long-term stability play crucial roles. Understanding these considerations can help prevent common mistakes, such as applying too much or too little, which can impair thermal transfer. Additionally, the choice between a premium compound and a budget option depends on your specific needs—whether you’re overclocking or simply maintaining a standard PC. Here are key factors to consider:

Thermal Conductivity and Performance

Thermal conductivity is the most critical metric, indicating how effectively the paste transfers heat. Higher ratings generally mean better cooling, but they often come with increased cost. For overclockers or high-performance builds, investing in a paste like Kryonaut Extreme can make a significant difference, whereas average users can suffice with more budget-friendly options like MX-4. Remember, even the best paste won’t perform well if applied improperly or if the contact between surfaces isn’t optimal.

Ease of Application

Some thermal pastes come with tools like spatulas or include cleaning wipes, which make application cleaner and more precise. Beginners should look for products designed for straightforward use to avoid common mistakes such as excess application or air gaps. Conversely, seasoned users might prefer pastes that require careful spreading for maximum performance. Consider whether your cooling setup allows for easy application or if you need a more forgiving formula.

Longevity and Stability

The durability of thermal paste affects how often you need to reapply, impacting maintenance and reliability. High-quality pastes tend to resist drying out or cracking over time, maintaining consistent thermal transfer. If you’re building a system meant to run for years or in demanding environments, investing in a premium paste can save you time and effort in the long run. Cheaper options might require more frequent reapplications, especially under heavy loads.

Compatibility and Quantity

Ensure the paste is compatible with your hardware—most work with CPUs and GPUs, but some are optimized for specific surfaces. Also, consider the amount provided; larger tubes like 45g are more cost-effective if you plan multiple builds or regular maintenance. Smaller quantities may be suitable for a single application or testing, but keep in mind that frequent reapplications can add up in cost.

Price and Value

High-performance pastes command higher prices, but they can improve cooling efficiency, especially in overclocked systems. Budget options like MX-4 offer excellent value for everyday use, balancing performance and cost. It’s important to match your choice to your needs; for casual use, a mid-range paste might suffice, while enthusiasts should consider premium compounds. Avoid sacrificing too much performance for small savings if you aim for the best thermal management possible.

Frequently Asked Questions

How much thermal paste should I apply?

Applying the right amount of thermal paste is crucial for optimal heat transfer. Typically, a small pea-sized dot or a thin line across the CPU center is enough. Too much can spread unevenly or spill over the sides, reducing contact efficiency. Too little might leave gaps, leading to poor heat conduction. Always aim for a thin, even layer that covers the surface without excess. Some pastes with applicators or spatulas help achieve this accurately, especially for beginners.

Can I reuse thermal paste if I remove the heatsink?

Reusing thermal paste is generally discouraged because it can degrade or become uneven after removal. When you detach the heatsink, the paste may crack or lose its bonding ability, leading to poor thermal transfer if reapplied later. If you plan to reapply, it’s best to clean off the old paste thoroughly with isopropyl alcohol and apply a fresh layer. This ensures maximum thermal conductivity and prevents potential overheating issues.

Is it worth investing in high-end thermal paste?

Investing in a premium thermal paste makes sense if you are overclocking, running demanding workloads, or aiming for the best possible cooling efficiency. High-end compounds like Kryonaut Extreme provide superior thermal conductivity, which can translate into lower temperatures and more stable performance. For casual users or standard builds, mid-range pastes like MX-4 often suffice, saving money without significant performance loss. Consider your specific needs and whether marginal temperature improvements justify the extra cost.

How long does thermal paste typically last?

The lifespan of thermal paste varies depending on the quality, application, and operating conditions. Most high-quality pastes can last between 3 to 5 years before needing reapplication, especially if the system runs under heavy loads or high temperatures. Cheaper pastes may dry out or crack sooner, requiring more frequent maintenance. Regularly checking CPU or GPU temperatures can help determine if a reapplication is needed. Proper application and choosing a durable formula can extend the effective life of your thermal interface.

Should I choose a ceramic or metal-based thermal paste?

Ceramic-based pastes generally offer good performance at a lower cost and are easier to apply safely, making them suitable for most users. Metal-based pastes, on the other hand, often provide higher thermal conductivity but can be electrically conductive, increasing the risk of short circuits if applied improperly. For most standard users, ceramic pastes like MX-4 deliver reliable performance with less risk. Enthusiasts seeking maximum cooling might prefer metal-based options but should handle them with care and proper application techniques.

Conclusion

For most users, the Noctua NT-H2 strikes the best balance between performance, ease of use, and longevity, making it the ideal overall pick. Those seeking maximum cooling efficiency should consider the Thermal Grizzly Kryonaut Extreme, despite its higher price. Budget-conscious builders will find the ARCTIC MX-4 a dependable choice for everyday performance without breaking the bank. Beginners or casual users benefit from pastes with simple application processes, such as those including cleaning wipes or spatulas. For overclockers or high-performance systems, investing in premium pastes offers noticeable temperature advantages—just be sure to apply carefully to get the full benefit.

Nothing in this article is financial or investment advice. Cryptocurrency and precious-metal investments carry significant risk — do your own research and consider a licensed advisor.
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