Choosing the best thermal paste kit is essential for maintaining optimal CPU and GPU performance. The Corsair XTM70 stands out as the overall best for high-performance builds, thanks to its superior thermal conductivity and durability. The ARCTIC MX-6 offers a great balance of performance and affordability, making it ideal for most users. Meanwhile, Thermal Grizzly Kryonaut is preferred by overclockers for its exceptional thermal transfer. However, buyers face tradeoffs between price, ease of application, and longevity. Continue reading for a detailed breakdown of these options and more to find the best fit for your build.
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Key Takeaways
- High-performance users should prioritize thermal conductivity and longevity, making premium pastes like Kryonaut the top choice.
- Budget-conscious builders can opt for ARCTIC MX-6 or MX-7, which offer solid performance at a lower cost.
- Application ease varies; kits with included tools or pre-applied compounds simplify the process for beginners.
- Long-term durability matters for those who upgrade infrequently, favoring pastes with high stability over time.
- Compatibility with both Intel and AMD sockets is common, but always verify the paste’s TDP ratings for high-performance CPUs.
| Corsair XTM70 Extreme Performance Thermal Paste, 3g for Intel & AMD Processors up to 250W+ TDP |  | Best Overall for High-Performance Cooling | Power Connector Type: 3-Pin | Voltage: 5 volts | Wattage: 250 watts | VIEW LATEST PRICE | See Our Full Breakdown |
| ARCTIC MX-6 Thermal Paste (4 g) with Cleaner – High Performance CPU, GPU, and Laptop Cooling Compound |  | Best Value for Versatile Cooling | Brand: ARCTIC | Model: MX-6 (4 g) incl. Cleaner | Weight: 0.229 ounces | VIEW LATEST PRICE | See Our Full Breakdown |
| ARCTIC MX-7 Thermal Paste (4 g, includes MX-Cleaner) |  | Best for Long-Term Stability and Consistent Performance | Weight: 4 g | Includes: MX-Cleaner | VIEW LATEST PRICE | See Our Full Breakdown | |
| Thermal Paste CPU 1.8g with Toolkit for CPU GPU IC and Heatsinks |  | Best for Beginners and Easy Application | Quantity: 1.8g | Application: CPU, GPU, IC, Heatsinks | Material: Carbon microparticles | VIEW LATEST PRICE | See Our Full Breakdown |
| Thermal Grizzly Kryonaut 1 Gram Thermal Paste with Cleaning Wipes |  | Best for Overclockers and Demanding Setups | Thermal Conductivity: Exceptional | Package Size: 1 Gram | Includes: Cleaning wipes | VIEW LATEST PRICE | See Our Full Breakdown |
| Thermal Grizzly Kryonaut CPU Thermal Paste – High Performance PC Thermal Compound Kit for All Processors and Graphics Cards – 1g |  | Best Overall for Demanding Overclockers | Thermal Conductivity: 12.5KW | Volume: 1g | Application: CPUs, Graphics Cards, Heat Sinks | VIEW LATEST PRICE | See Our Full Breakdown |
| JLJ Thermal Paste 3g Carbon-Based Compound for CPU, GPU, IC, and Heatsinks |  | Best for Beginners and General Use | Brand: JLJ | Model: TP-133 | Item Weight: 3g | VIEW LATEST PRICE | See Our Full Breakdown |
| 2-Pack GT-1 Silver CPU Thermal Paste (1g x 2) |  | Best for Cost-Conscious Users Needing Dual Applications | Quantity: 2 x 1g | Temperature Range: -50℃ to 240℃ | Material: Carbon and silicon compounds | VIEW LATEST PRICE | See Our Full Breakdown |
| 2-Pack 8g High-Grade Thermal Paste Kit (4g Each) with Application Tools |  | Best for DIY Enthusiasts Needing Larger Quantities | Total Quantity: 8g (4g each) | Thermal Conductivity: 13W/mK | Application Tools: 3 spreaders, wipes, finger cots | VIEW LATEST PRICE | See Our Full Breakdown |
| ARCTIC MX-7 Thermal Paste (8 g) – High Performance, Long Durability |  | Best for Long-Term Stability and Ease of Use | Cooling Method: Thermal | Compatible Devices: Desktop, Gaming Console, GPU, Laptop | Item Dimensions: 1″L x 0.6″W x 4.2″H | VIEW LATEST PRICE | See Our Full Breakdown |
| thermal paste kits for PC builder | Application |
|---|---|
| Corsair XTM70 Extreme Performa | — |
| ARCTIC MX-6 Thermal Paste | CPU, GPU, Laptop |
| ARCTIC MX-7 Thermal Paste | — |
| Thermal Paste CPU 1.8g with To | CPU, GPU, IC, Heatsinks |
| Thermal Grizzly Kryonaut 1 Gra | — |
| Thermal Grizzly Kryonaut CPU T | CPUs, Graphics Cards, Heat Sinks |
| JLJ Thermal Paste 3g Carbon-Ba | Easy to apply, complete kit included |
| 2-Pack GT-1 Silver CPU Thermal | CPU, GPU, PS4, PS5, heatsinks |
| 2-Pack 8g High-Grade Thermal P | — |
| ARCTIC MX-7 Thermal Paste | — |
More Details on Our Top Picks
Corsair XTM70 Extreme Performance Thermal Paste, 3g for Intel & AMD Processors up to 250W+ TDP
The Corsair XTM70 stands out for its high thermal transfer efficiency, making it ideal for overclockers and users pushing their CPUs and GPUs to the limit. Compared with the Thermal Grizzly Kryonaut, it offers a similarly impressive heat transfer but comes in a smaller 3g tube, which may require reapplication sooner. Its included applicator kit and cleaning wipes simplify the process, minimizing application errors. However, its limited quantity makes it less suitable for multiple builds or frequent reapplications. This pick is perfect for users needing reliable, high-performance thermal paste for a single or occasional use without sacrificing ease of application.
Pros:- High thermal conductivity suitable for demanding overclocking
- Includes applicator kit and cleaning wipes for easy, precise application
- Effective for high-performance CPUs and GPUs
Cons:- Limited to 3g, which may be insufficient for multiple applications
- Designed primarily for desktop use, less portable for on-the-go repairs
Best for: High-end PC builders, overclockers, and enthusiasts who prioritize maximum thermal performance.
Not ideal for: Casual users or those building multiple systems, as the small tube may require frequent reapplication and higher overall cost per build.
- Power Connector Type:3-Pin
- Voltage:5 volts
- Wattage:250 watts
- Cooling Method:Thermal
- Compatible Devices:Desktop
- Item Dimensions:0.79″L x 0.61″W x 5.31″H
Our verdict“This thermal paste excels for dedicated enthusiasts seeking top-tier cooling, but its small size may limit long-term use across multiple systems.”
ARCTIC MX-6 Thermal Paste (4 g) with Cleaner – High Performance CPU, GPU, and Laptop Cooling Compound
The ARCTIC MX-6 offers a compelling combination of high thermal performance and affordability, making it a versatile choice for both desktop and laptop users. Unlike the ARCTIC MX-7, which emphasizes long-term stability, MX-6 improves thermal transfer by over 20%, providing a noticeable performance boost. Its non-conductive nature reduces the risk of shorts, and the included cleaning solution simplifies surface prep. The main tradeoff is that it requires careful application to avoid messiness, and the small 4g size can mean more frequent reapplications for multiple devices. Overall, this makes sense for users seeking a reliable, high-performance paste at an accessible price point that can handle various cooling scenarios.
Pros:- Improves thermal performance by over 20%
- Non-conductive, reducing short-circuit risks
- Versatile for CPU, GPU, and laptop cooling
Cons:- Requires careful, precise application to avoid mess
- Small 4g size may necessitate frequent reapplication
Best for: Budget-conscious PC builders and users needing a high-efficiency thermal paste for CPUs, GPUs, or laptops without extra hassle.
Not ideal for: Users requiring large quantities or long-term reapplication without reordering, as its small size demands frequent replenishment.
- Brand:ARCTIC
- Model:MX-6 (4 g) incl. Cleaner
- Weight:0.229 ounces
- Dimensions:4.72 x 2.6 x 0.91 inches
- Application:CPU, GPU, Laptop
- Thermal Conductivity:Very high
Our verdict“ARCTIC MX-6 is a cost-effective, high-performance option well-suited to versatile cooling needs, especially for budget-conscious builders.”
ARCTIC MX-7 Thermal Paste (4 g, includes MX-Cleaner)
ARCTIC MX-7 prioritizes stability and consistent heat transfer over time, making it ideal for users who prefer not to reapply thermal paste frequently. Compared with MX-6, MX-7 offers a slightly more stable formulation, though both deliver excellent heat transfer thanks to high filler content. Its surface is designed for surface cleaning with the included MX-Cleaner, which helps ensure proper application. However, it cannot be spread manually, so proper application technique is essential to avoid uneven coverage. This paste is well-suited for long-term builds where maintenance is infrequent, but less ideal for quick repairs or frequent upgrades.
Pros:- Exceptional heat transfer due to high filler content
- High stability for long-term performance
- Includes MX-Cleaner for surface prep
Cons:- Cannot be manually spread, requiring proper surface preparation
- Less suitable for quick or DIY applications
Best for: Long-term PC builders and system integrators who want consistent performance without frequent reapplications.
Not ideal for: Beginners or users who prefer manual spreading, as it requires specific application methods to achieve optimal results.
- Weight:4 g
- Includes:MX-Cleaner
Our verdict“ARCTIC MX-7 is ideal for users prioritizing stability and longevity over ease of manual application.”
Thermal Paste CPU 1.8g with Toolkit for CPU GPU IC and Heatsinks
This thermal paste makes a solid choice for newcomers thanks to its metal-free, carbon microparticle formulation, which simplifies safe application without risking shorts. Its 1.8g quantity is sufficient for a few reapplications, but less ideal for multiple builds or frequent upgrades. The included toolkit helps with proper surface prep and application, making it especially suitable for first-time builders or those who want an uncomplicated, reliable product. While it may not match the highest-end pastes in thermal conductivity, it strikes a good balance between performance and ease of use. The main tradeoff is the limited quantity, which can require reordering sooner if building multiple systems.
Pros:- Non-conductive and metal-free, reducing short circuit risk
- High thermal conductivity for effective heat dissipation
- Easy to apply, suitable for beginners
Cons:- Limited to 1.8g, may need reapplication for multiple builds
- Not designed for extreme overclocking scenarios
Best for: Beginners and casual builders seeking an easy-to-apply, safe thermal paste for a single or few uses.
Not ideal for: Advanced users or overclockers who need maximum thermal performance or larger quantities for multiple builds.
- Quantity:1.8g
- Application:CPU, GPU, IC, Heatsinks
- Material:Carbon microparticles
- Durability:At least 5 years
Our verdict“This thermal paste offers a user-friendly experience for new builders, with enough performance for everyday use but limited volume for extensive builds.”
Thermal Grizzly Kryonaut 1 Gram Thermal Paste with Cleaning Wipes
Thermal Grizzly Kryonaut is designed for extreme performance, making it the go-to choice for overclockers and power users who need exceptional heat transfer. Its tiny 1g size might seem limiting, but it’s enough for multiple applications if used carefully, especially with the included cleaning wipes for surface prep. Compared with larger, more general pastes like the ARCTIC MX-6, Kryonaut excels in high-thermal-conductivity scenarios, though at a higher price point. Its precise application can be tricky, requiring attention to avoid excess. This product makes the most sense for users who push their hardware to the limit and need the absolute best thermal performance, despite the higher cost per gram.
Pros:- Exceptional thermal conductivity for demanding applications
- Includes cleaning wipes for surface prep
- Long-lasting performance that resists drying out
Cons:- More expensive per gram compared to standard pastes
- Requires careful application to avoid excess
Best for: Overclockers, high-end gaming builds, and demanding workloads requiring maximum heat dissipation.
Not ideal for: Casual users or those with limited budgets, as its high price per gram may not justify moderate performance needs.
- Thermal Conductivity:Exceptional
- Package Size:1 Gram
- Includes:Cleaning wipes
Our verdict“Thermal Grizzly Kryonaut is best suited for users needing top-tier thermal management in overclocked or high-performance environments, accepting the premium price.”
Thermal Grizzly Kryonaut CPU Thermal Paste – High Performance PC Thermal Compound Kit for All Processors and Graphics Cards – 1g
Thermal Grizzly Kryonaut stands out for its exceptional thermal conductivity of 12.5KW, making it ideal for high-performance and overclocked setups where efficient heat dissipation is critical. Compared with the ARCTIC MX-7, Kryonaut offers superior thermal transfer but comes in a smaller 1g tube, meaning frequent reapplication for extensive projects. Its ease of application with included tools helps avoid mess, but careful spreading is necessary to prevent excess. While the small size might be a drawback for large builds, its long-lasting stability at high temperatures makes it a top choice for enthusiasts pushing hardware limits.
Pros:- Exceptional thermal conductivity for demanding applications
- Long-lasting performance that resists drying out
- Easy to apply with included tools
Cons:- Small 1g size requires frequent reapplication for extensive use
- Needs careful spreading to avoid mess or excess
Best for: Overclockers and power users who need maximum thermal performance and are comfortable with careful application.
Not ideal for: Casual PC builders or those doing simple upgrades, since the small size and application sensitivity may be inconvenient.
- Thermal Conductivity:12.5KW
- Volume:1g
- Application:CPUs, Graphics Cards, Heat Sinks
- Included:Spatula for spreading
Our verdict“This paste is best suited for high-performance setups where maximum cooling efficiency justifies careful application and limited quantity.”
JLJ Thermal Paste 3g Carbon-Based Compound for CPU, GPU, IC, and Heatsinks
JLJ’s carbon-based thermal paste offers a balanced mix of performance and ease of use, with its 3g size providing enough material for multiple applications. Compared to 2-Pack GT-1 Silver, it features a complete application kit, making it accessible for newcomers who want a straightforward experience. Its non-conductive, safe formula minimizes risks during application, while high-performance carbon particles ensure effective heat transfer. However, the 3g size limits its long-term use for extensive builds, and it’s not a comprehensive cooling solution on its own. This makes it an excellent choice for those starting out or doing standard upgrades.
Pros:- Non-conductive and safe for sensitive electronics
- Complete kit with applicators and cleaning wipe
- Reliable long-lasting performance
Cons:- Limited to 3g, requiring frequent reapplication
- Not suitable as a primary cooling solution for extreme overclocking
Best for: Beginners or casual users looking for a reliable, easy-to-apply thermal paste without fuss.
Not ideal for: Advanced enthusiasts or overclockers needing larger quantities or specialized thermal solutions.
- Brand:JLJ
- Model:TP-133
- Item Weight:3g
- Material:Carbon-based compound
- Compatibility:CPUs, GPUs, ICs, heatsinks
- Application:Easy to apply, complete kit included
Our verdict“This thermal paste makes the most sense for newcomers or moderate users prioritizing safety and simplicity over large-scale use.”
2-Pack GT-1 Silver CPU Thermal Paste (1g x 2)
The 2-Pack GT-1 Silver offers high thermal conductivity with its silver content, making it a solid choice for efficient heat transfer in both CPUs and GPUs. Compared with ARCTIC MX-7, it provides a more economical option when multiple applications are needed, thanks to the two 1g tubes. Its viscous, user-friendly formula simplifies application and cleaning, while its thermal stability ensures consistent performance. The limited quantity per tube, however, means it’s best for small builds or occasional reapplications, and careful application is necessary for optimal results. This set is ideal for users who want reliable performance without overspending.
Pros:- High thermal conductivity for effective cooling
- Easy to apply and clean
- Two tubes provide value for multiple uses
Cons:- Limited to 1g per tube, requiring careful application
- May need multiple purchases for extensive use
Best for: Budget-conscious builders or those needing multiple small applications for multiple components.
Not ideal for: Large-scale or professional setups that require bigger quantities for frequent reapplications.
- Quantity:2 x 1g
- Temperature Range:-50℃ to 240℃
- Material:Carbon and silicon compounds
- Application:CPU, GPU, PS4, PS5, heatsinks
Our verdict“This kit offers a practical balance of performance and affordability for small projects or multiple component applications.”
2-Pack 8g High-Grade Thermal Paste Kit (4g Each) with Application Tools
This kit provides two 4g tubes of high-conductivity thermal compound, designed for versatile use across a variety of devices. Compared to smaller tubes like Thermal Grizzly Kryonaut, its larger 8g total volume lowers the cost per gram and suits extensive projects. Its smooth, easy-to-spread consistency, along with comprehensive application tools, makes it appealing for DIY builders and technicians. The inclusion of multiple spreaders and wipes simplifies the process, but the multiple components might be unnecessary for simple upgrades. It’s a solid pick for those who want a reliable, high-performance paste with enough quantity for multiple builds or replacements.
Pros:- High thermal conductivity for effective cooling
- Includes comprehensive application and cleaning tools
- Good value with larger total quantity
Cons:- Contains multiple components that may be unnecessary for simple applications
- Limited to 8g total, requiring multiple purchases for extensive use
Best for: DIY builders, gamers, or technicians who need larger quantities and comprehensive application tools.
Not ideal for: Casual users or those with minimal application needs, as the kit’s size and included tools may be overkill.
- Total Quantity:8g (4g each)
- Thermal Conductivity:13W/mK
- Application Tools:3 spreaders, wipes, finger cots
- Compatibility:CPUs, GPUs, gaming consoles, 3D printers
Our verdict“This kit suits those seeking a high-performance thermal paste combined with extensive tools for multiple or professional applications.”
ARCTIC MX-7 Thermal Paste (8 g) – High Performance, Long Durability
ARCTIC MX-7 offers a high filler content that ensures exceptional heat transfer, comparable to Thermal Grizzly Kryonaut, but with the advantage of a viscous consistency that naturally spreads without manual effort. Its long-term stability resists dry-out and pump-out, making it ideal for users prioritizing maintenance-free performance. Unlike Thermal Grizzly Kryonaut, it cannot be manually spread, which could be a drawback for those who prefer precise control. Its 8g size provides ample material for multiple applications, and its safety profile makes it suitable for a wide range of devices. It’s perfect for users seeking a low-maintenance, durable thermal interface.
Pros:- Exceptional heat transfer due to high filler content
- Long-term stability resists dry-out and pump-out
- Safe and easy to apply without spreading manually
Cons:- Cannot be manually spread, limiting application control
- Limited information on pricing and availability
Best for: Long-term users or those who prefer a paste that self-distributes without manual spreading.
Not ideal for: Overclockers or enthusiasts who want manual control over the application process for maximum performance.
- Cooling Method:Thermal
- Compatible Devices:Desktop, Gaming Console, GPU, Laptop
- Item Dimensions:1″L x 0.6″W x 4.2″H
- Quantity:8 g
Our verdict“This paste is best for users who want a durable, low-maintenance solution that provides reliable cooling over time.”
How We Picked
Our evaluation focused on key factors such as thermal conductivity, ease of application, longevity, compatibility, and value. We prioritized products with proven performance across a range of CPU and GPU types, considering both high-end and entry-level needs. Durability and ease of use were also critical, especially for builders who prefer straightforward application. Products were ranked based on a balance of these factors, ensuring that each pick offers something distinct for different user priorities and budgets.| thermal paste kits for PC builder | Application |
|---|---|
| Corsair XTM70 Extreme Performa | — |
| ARCTIC MX-6 Thermal Paste | CPU, GPU, Laptop |
| ARCTIC MX-7 Thermal Paste | — |
| Thermal Paste CPU 1.8g with To | CPU, GPU, IC, Heatsinks |
| Thermal Grizzly Kryonaut 1 Gra | — |
| Thermal Grizzly Kryonaut CPU T | CPUs, Graphics Cards, Heat Sinks |
| JLJ Thermal Paste 3g Carbon-Ba | Easy to apply, complete kit included |
| 2-Pack GT-1 Silver CPU Thermal | CPU, GPU, PS4, PS5, heatsinks |
| 2-Pack 8g High-Grade Thermal P | — |
| ARCTIC MX-7 Thermal Paste | — |
Factors to Consider When Choosing Best Thermal Paste Kits For PC Builders
When selecting the best thermal paste kit, understanding the core factors helps avoid common pitfalls and ensures you choose a product aligned with your build needs. Not all pastes are created equal—some excel in thermal transfer but may be harder to apply, while others prioritize longevity over peak performance. Considering these elements carefully can extend your CPU and GPU lifespan and improve thermal performance.Thermal Conductivity and Performance
Thermal conductivity, measured in W/mK, directly impacts how effectively a paste transfers heat from your CPU or GPU to the heatsink. High-performance pastes like Kryonaut often feature higher conductivity, making them suitable for overclocking or high-TDP CPUs. Lower-tier options may suffice for casual use but can result in higher temperatures under load. Matching your thermal paste to your CPU’s power demands prevents overheating and maintains stability.
Ease of Application
Some pastes come with applicator tools or pre-applied layers, simplifying installation for beginners. Others require careful spreading, which can be messy and lead to uneven coverage if not done properly. Consider your comfort level and whether you prefer a kit with everything included or are comfortable with manual application. Proper application affects thermal performance more than the paste’s quality alone.
Longevity and Durability
Thermal paste degrades over time, especially if exposed to high temperatures or frequent thermal cycling. Long-lasting compounds like MX-7 or Kryonaut resist drying out and pump out, reducing the need for frequent reapplication. If you upgrade components often or want a maintenance-free solution, investing in a durable paste makes financial sense, even if initially more expensive.
Compatibility and TDP Ratings
Ensure the thermal paste you choose is compatible with your CPU socket (Intel or AMD) and can handle your processor’s thermal design power (TDP). Pastes designed for high TDP CPUs often outperform generic options. Some kits are optimized for GPU cooling or other applications, so check the specifications to match your specific hardware. Compatibility issues can lead to suboptimal cooling or installation difficulties.
Price and Value
While premium pastes deliver superior thermal performance, they come at a higher cost. Budget options like MX-6 or GT-1 Silver provide respectable results at a lower price point, making them suitable for casual builds or replacements. Consider how often you’ll need to reapply the paste; if frequent upgrades or overclocking are planned, investing in a premium compound may save money in the long run.
Frequently Asked Questions
How often should I replace thermal paste?
Typically, replacing thermal paste every 2-3 years is recommended, especially if you notice increased temperatures or system instability. High-performance pastes tend to last longer, but environmental factors and usage intensity influence degradation. Regular checks can help determine if reapplication is necessary, ensuring your CPU stays cool and performs optimally.
Can I use the same thermal paste on CPU and GPU?
Yes, many thermal pastes are suitable for both CPUs and GPUs. However, some pastes are formulated specifically for high TDP components or have different consistencies. Using a paste designed for GPUs can sometimes provide better thermal transfer for graphics cards. Always verify the product’s specifications to ensure compatibility and optimal performance.
Is a thermal paste kit with tools worth it for beginners?
Absolutely. Kits that include application tools or pre-applied layers reduce the risk of improper application, which is common among newcomers. These kits streamline the process, helping beginners achieve better thermal contact without a steep learning curve. Investing in a complete kit can also prevent frustration and accidental damage during installation.
Should I prioritize thermal performance or ease of application?
It depends on your experience level and specific needs. For advanced users, high-performance pastes like Kryonaut are worth the extra effort for maximum cooling. Beginners or those seeking quick, mess-free installs might prefer pastes with applicator tools or pre-applied layers, even if they sacrifice a small margin of thermal performance. Balancing these factors ensures a satisfactory upgrade experience.
What is the best thermal paste for overclocking?
Overclockers should look for pastes with the highest thermal conductivity and stability under high temperatures. Kryonaut is a popular choice due to its excellent heat transfer capabilities and durability during sustained high loads. Investing in a premium paste ensures your overclocked CPU or GPU remains within safe temperature ranges, which is critical for system stability and component longevity.
Conclusion
For those seeking the best overall performance, Thermal Grizzly Kryonaut makes an excellent choice, especially for overclockers or enthusiasts willing to pay a premium. Budget builders or casual users will find ARCTIC MX-6 or GT-1 Silver to be reliable and affordable options. Beginners should opt for kits with included application tools to simplify the process. If durability and long-term stability are priorities, consider the larger, high-grade options like MX-7 or ARCTIC MX-7. Ultimately, your choice depends on your specific needs, budget, and comfort with applying thermal paste.
