Top 10 Best CPU Thermal Paste 2018 (Buyer’s Guide)

Top 10 Best CPU Thermal Paste 2018 (Buyer’s Guide)

Arctic Silver 5 AS5-3.5G Thermal Paste

My friend recently bought thermal compound to cool down the temperature of the computer processor. As we both are very worried because of our CPU getting too hot while intense gaming which affects PC badly. Therefore one of our friends told us about thermal paste that it is an efficient heat conductor and capacitive as well.

He further told us that thermal compound is also enough handy to fill up thin gaps so it can improve overall performance along with cooling. After intensive research, I found that if the CPU runs too hot, it is likely to decrease its longevity or life as well as it may affect performance.

However, the CPU coolers paired with processors in the market nowadays are not giving a satisfying cooing performance. Similarly, the thermal compound which generally provided with those coolers is not good in quality. This is the reason make people buy the best CPU thermal paste to use between cooler’s heatsink and CPU.

I also realized that most of the people are unaware of what thermal paste is and how to get the best CPU thermal compound. As there is a variety of thermal paste available on the market which is high in cost and low in quality.  This realization provoked me to write a review article and list down some best quality CPU thermal pastes which are budget-friendly and cost-effective.

Let’s check out reviews of some high-quality thermal compounds which help you choose your right one. Here is the list of top 10 best CPU thermal pastes:

Top 10 Best CPU Thermal Paste 2018

1. Arctic Silver – (Editor’s Choice)

Arctic Silver 5 AS5-3.5G Thermal Paste

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My personal favorite thermal paste is Arctic Silver 5 thermal paste because it features amazing conductivity rating. However, you may get the same conductivity percentage with many of thermal compounds products on the market but it’s pure and fine silver particles makes it stand out.

Additionally, Arctic Silver 5 is absolutely free from silicon; it carried a proprietary mixture of polysynthetic oils.     


  • Colour: silver
  • Thermal conductivity: 8.9 W/mK
  • Volume: 3.5g
– Made with pure silver– None
– It is easy to install or use
– It is non-electrically conductive


2. Arctic – Best Thermal Compound Paste

Use Thermal Compound Paste

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Here is the best carbon-based thermal paste is known as Arctic MX-4. This thermal compound is very much popular due to its affordability, long storage time and ease of use features.

This applicator is composed of micro-particles of carbon that eventually end up with great thermal conductivity. This product is ideal for all beginners as it offers easy to use factor along with high-end consistency.


  • Density: 2.50 g/cm³
  • Content: 4 grams
  • Warranty: 8 years
  • Thermal conductivity: 8.5 W/mK


– The high-quality conductive material– Lower conductivity rating than the comparison
– It can accommodate all types of CPU
– It is made of carbon-micro particles


3. Noctua – Cheap Product

Pro-Grade Thermal Compound Paste Reviews

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Do you want thermal paste for overclocking? Then Noctua NT-H1 Pro-Grade is highly recommended. This compound is considered the dynamic thermal paste for overclocking in the market.

This premium grade thermal compound can be used with heatsinks of CPU and GPU for improved heat transfer.  The paste provides impressive results after application while there is no comparison of performance, stability and durability of this compound.


  • Gravity: 49 g / cm³
  • Volume: 1.4ml
  • Recommended usage time: 3 years
  • Recommended storage time: 2 years



– Ideal product to cool down the compressor– Not available
– Cost-effective and high-performance compound
– Featuring easiest installation process

4. MasterGel – Affordable for everyone

the review about Thermal Paste

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Another best thermal paste for overclocking on the list is MasterGel Maker thermal paste by cooler master. The manufacturer is known for its wonderful thermal paste series.

This maker thermal paste is designed to offer optimum performance for CPU and GPU.  The compound incorporates Nanodiamond particles to improve conductivity to the next level.


  • Volume: 1.5 ml
  • Thermal conductivity: 11 W/m.k
  • Specific gravity: 2,6 g / cm³
  • Recommended shelf life and usage time: 2 years
– Accommodate a wide range of temperatures– The decrease in performance occurs after extended usage period
– Ultra-high conductivity using Nanodiamond particles
– Features excellent viscosity

5. Cooler Master – Best CPU Cooling Solution


Cooler Master High Performance Thermal Paste - (HTK-002-U1)

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Up next is another thermal paste by the cooler master, this compound is best suitable for mainboard chipsets, CPU, processors, VGA card and more. The high-quality compound comes in the best affordable rates; therefore, it has been amongst the most desirable thermal pastes.

The product features a variety of application temperature while having a ZIF socket template which helps you in application properly.


  • Colour: white
  • Viscosity: nonflowing
  • Thermal conductivity: 11 W/mK
  • Specific gravity: 2.37 g / cm³
– High performance and optimum quality– There are chances of short circuits
– High-temperature stability– Extended usage may cause a decrease in performance (as per customer review)
– Lowest bleed

6. Thermal Grizzly – Best alternative for CPU Cooling Fan

Thermal Grizzly Conductonaut Thermal Grease Paste - 1.0 Gram

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Now, there is a premium-grade liquid metal thermal compound known as thermal grizzly conductonaut thermal grease paste. This thermal paste is an ideal compound especially for experienced users, as the product provides great heat dissipation.

Besides, its premium and excellent thermal conductivity rating make it a wonderful thermal paste. The compound makes your processor and cooler extra efficient by tackling with overclocking problems.


  • Thermal conductivity: 73 W/mK
  • Density: 6.24 g/cm3
  • Volume: 1 gram
  • Temperature: 10 °C / +140 °C
– Best for the larger scale heating system– Not efficient enough to properly cater cooling systems based on compressor
– Control heat with ease– Not really easy to clean compound
– Ideal for liquid-based cooling system

7. Thermal Kryonaut – Best Paste for GPU

Thermal Grizzly Kryonaut Thermal Grease Paste - 1.0 Gram review

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This thermal paste by thermal grizzly offer excellent cooling performance together with it limits overheating or overclocking in your CPU. This grease based paste efficiently transfer heat among cooler and CPU.

Being a non-electrically conductive compound it is far easier to use.  However, it is prone to produce short circuits.


  • Thermal conductivity:
  • Volume: 1 gram
– Excellent thermal performance– Very expensive
– Easy to use and easy to clean
– Silicon-based thermal paste

8. EGC – Best cooling Liquid for Laptop & PC’S Heatsinks

EGC High-Performance Thermal Paste Compound for CPU Heatsinks Review

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Another worth buying thermal paste, EGC high-performance thermal paste is ideal for beginners and experienced who want to manufacture own computers. It is best suitable for heatsinks of CPU.

If performance and quality is your major priority then you should ponder over this product immediately. Moreover, the compound consists of 45% of Metal Oxide Compounds and Carbon Compounds while 10% of the silicon compound is also added in the paste.


  • Thermal conductivity: 5.15 W/mK
  • Volume: 4 grams
  • Colour: grey
– Excellent heat dissipation and heat transfer qualities– Offering the lowest thermal conductivity compared to other products
– Very handy and easy to use
– Roughly it can accommodate around 30-35 CPU cores


9. Coollaboratory – Best to Increase PC performance


Coollaboratory Liquid Ultra Thermal Paste Compound Grease CPU Processor Heatsink

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Next up we have Coollaboratory Liquid Ultra Thermal Paste, one of the most recommended thermal pastes. As far as the liquid cooling is concerned this thermal paste really does excellence.

Wonderful product from finest maker offers great temperature performance which relates to liquid metal. This thermal compound is pretty easy to apply and use. However, it is not going well with liquid-based systems and compressed based systems.


  • Thermal conductivity: 38.4W/mK
  • Volume: unavailable
– It is made from pure metal– Very costly
– It features a great heat transfer functionality– It takes time to blend with copper

10. Gelid Solutions – Easy to work

Gelid Solutions GC-Extreme Thermal Compound TC-GC-03-A Review

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Gelid Solutions GC-Extreme Thermal Compound is amongst the most suitable thermal compound which is best suitable for all.  In spite of low conductivity rating, this thermal paste is offering improved and excellent performance along with low price tag.

This product delivers heat transfer which is comparatively better than comparison offering a high price.


  • Volume: 3.5 grams
  • Recommended usage time: more than 2 years
  • Density: 3.73 g/cm³
  • Thermal conductivity: 8.5 W/mK
– Excellent quality and user-friendly– Not available
– Non-electrical conductive paste
– Non-bleed

CPU Thermal Paste Buyers Guide

Often we get stock thermal paste with CPU coolers but unfortunately, those are far away from best-quality thermal compounds. If you are the one worried about processor’s running hot so you should ponder over investing in a best thermal compound urgently.

Thermal paste can even be used for a laptop; you can pick any of the paste from plenty of options in the list right here.

Before making any decision considers factors like performance requirement, budget and appropriate type of thermal compounds.

Mainly you have two options to choose from types of thermal paste which include liquid-metal based thermal paste and normal grease-based thermal paste. If the slight temperature difference is a big deal for you then it is recommended to go with liquid metal.

All these thermal paste are of an adequate and high-end quality which will definitely improve performance and decline temperature of your processor.

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