You need to use the best thermal paste if you want to keep your computer’s processor temperatures as low as possible. Computers generate quite great heat, and they have components to mitigate that heat called heatsinks.

Thermal paste is usually applied between the CPU and cooler’s heatsink, in order to prevent air gaps and fasten up the heat transfer between the CPU and the cooler.

These are absolutely necessary, as the CPU shouldn’t run too hot if you want to use it for a long time. Getting the right thermal paste for CPU or GPU and properly applying it can significantly improve the temperature and therefore the performance.

The thermal pastes which are usually provided with these heatsinks are not even the best ones out there. That’s exactly why most consumers prefer replacing thermal paste for significant cooling of their CPUs.

Best Thermal Grease/Pastes for CPU

There are plenty of thermal pastes available in the market, and if you’re confused regarding which one to go for, here are the 7 best thermal paste for CPU you can buy. In this buyer’s guide, we will suggest you best CPU thermal paste and how much thermal paste to apply. Let’s get started 🙂

1. Gelid Solutions GC-Extreme Thermal Compound

This is the most popular thermal pastes preferred by overclocking enthusiasts across the world, the Gelid doesn’t disappoint like others when it comes to thermal performance.

This thermal grease is capable of handling a wide range of temperatures from -50 to 150°C. Gelid Solutions GC-Extreme also has excellent viscosity which makes it easy to spread and remove without cracking or drying out.

Gelid Solutions GC-Extreme Thermal Compound

It has a thermal conductivity of 8.5 W/mK, which gives the more popular GC Extreme. we recommend it for overclockers and enthusiasts. Due to its high viscosity, it’s perhaps less ideal for beginners.

Gelid Solutions GC-Extreme claims that it’s non-corrosive, non-curing and non-toxic and for a grease-based thermal compound, the GC-Extreme is pretty affordable.

Buy from Amazon: $13.99

2. Thermal Grizzly Kryonaut Thermal Grease Paste

Thermal Grizzly Kryonaut Thermal Grease Paste is only intended for the most dedicated and hardcore PC gamers. It’s for them who push their CPU to its limits by overclocking.

It has three to four percent lower temperature cooling capabilities than, for example, the Arctic Silver 5 and Master Cooler MasterGel Maker Nano which are on our list.

Grizzly Kryonaut Thermal Grease Paste

Due to its thermal conductivity of 12.5 W/mK, which is pretty high for a grease-based compound, it can maximum heat transfer of the CPU. Although pricey, the paste delivers what it promises.

If properly applied, the TIM can be used for 3-4 applications maximum. This thermal paste is capable of handling a wide range of temperatures up to 80° Celsius.

Buy from Amazon: $9.68

3. Master Cooler MasterGel Maker Nano Thermal Paste

This is a very expensive paste, coming in at double the price of the Arctic Silver 5 and including quite a bit less paste. It is manufactured by Cooler Master MasterGel Maker for maximum thermal performance that can be expected from a grease-based compound.

This affordable thermal paste is well suited for people who’re looking forward to overclocking their K series CPUs. As paste is drier and thicker than the usual thermal compounds, it also requires no settling time.

Master Cooler MasterGel

It has a thermal conductivity of 11 W/mK, which best better than GC-Extreme. This thermal paste has nanodiamond particles that are capable of handling temperatures from -50 to 150°C.

These tiny particles can get into very small places, making for better conductivity. These products are intended for high-performance CPUs and GPUs.

Buy from Amazon: $11.99

4. Arctic MX-4 Thermal Compound

Arctic MX 4 is very popular because it’s cheap and very easy to use. It is composed of carbon micro-particles which lead to an extremely high thermal conductivity of 8.5 W/mK. This thermal compound insane thermal performance for the price.

It’s very easy to apply and doesn’t require settling time. Arctic MX-4 thermal compound is that it is devoid of metal and hence non-electrical conductive.

Arctic MX-4

Arctic MX 4 thermal compound can last for 8 years whereas other pastes will perform up to only 4 years max. You won’t need to reapply it on your CPU or GPU until 8 years.

Although the Arctic MX-4 does the job almost flawlessly for the regular users and if you overclock your CPU you need something a little bit stronger like Grizzly Kryonaut Thermal Grease.

Buy from Amazon: $9.99

5. Arctic Silver 5 Thermal Paste

If you’re looking for something with some very powerful cooling capabilities then the Arctic Silver 5 would be the best thermal compound for you. Although it has recently been outperformed by a few relatively newer thermal compounds, it’s still the most popular thermal paste.

Arctic Silver 5 is made out of 99.9% pure micronized silver. This micronized silver efficiently conducts heat, making the CPU work great even at a higher temperature and gives the best cooling performance.

Arctic Silver 5

This particular paste does have a settling time attached to it, so keep that in mind when you start applying thermal paste to CPU, As it can take a few hours to set.

Its thermal conductivity is rated at 8.7 W/mK by the company, which is slightly better than the Arctic MX-4. If you’re a beast gamer and overclocker then we recommend you avoid this CPU thermal paste

Buy from Amazon: $7.79

Cool Down Your CPU Using The Best Thermal Pastes

If you just need a reliable and cost-effective thermal paste, then get GC-Extreme Thermal Compound which would be best for gamers and as well as overclockers. For best results, get the Thermal Grizzly which is more expensive but, worth it if you want to boost your performance to the max level.

Well, there are plenty of options to choose from. Depending on your budget and performance demands, you could choose between normal grease-based or liquid-metal based thermal compounds. Feel free to share your tips and hints in the comments below 🙂

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