Arctic Silver 5 Thermal Paste Review

Arctic Silver 5 is thermal compound for CPU and GPU. Thermal compound helps in transferring the heat from the CPU cores to the heatsink by filling up the microscopic valleys between processor cores and heatsink. Without the use of thermal paste a processor will always run hot, that will reduce its life. You can think yourself the CPU manufacturer Intel ships its own thermal paste with boxed Intel CPUs, now you can think how important is the thermal paste for the CPU and GPU. Intel's stock Thermal Interface Material is not available on online stores, so we have only one option left is to buy aftermarket thermal compounds. Currently Arctic Silver is considered to be the best thermal paste for CPU and GPU chip doesn't matter if it is of desktop's or laptop's. In this tutorial I going to review the Arctic Silver 5 thermal paste and tell you about it pros and you will be able to decide whether to buy it or not.

arctic silver 5 3.5 grams

Arctic Silver 5 Thermal Compound Review

1. Less Viscous: Unlike other cheap quality silicone thermal compounds. AS5 is less viscous. It has a sticky nature. Once applied between the CPU and the heatsink it creates an excellent thermal seal that increases the heat transfer. It easily spreads over the entire surface of the processor after the heatsink is installed.

2. Excellent Heat Conductor: It contains 99.9% pure silver which is a good conductor of heat.

3. Cooling Efficiency: Take two situations here. First one is you are running the CPU at 100% load, like playing a game without using Arctic Silver 5, then suppose the temperature is 60 degree Celcius. Then after applying Arctic Silver 5 the temperature at 100% load will be around 48 degree Celcius, which is 12 degree less than the previous situation around 20% overall loss in temperature. This test is done on Intel Core 2 Duo processor. You get different temperatures with different CPUs. But Arctic Silver 5 claims 3-12 degree Centigrade lower CPU temperature at 100% load as compared to standard thermal compounds. This claim proved true in my case where I used it for Intel Core 2 Duo.

4. Long Term Stability: After applying AS5 during the CPU's first use, the paste thins out to fill the microscopic valleys and ensure the best contact between the heatsink and the CPU cores. Then the paste thickens slightly over the next 50 to 200 hours of use to its final consistency designed for long term stability. It doesn't separate or spill, it stays right where it was applied.

When To Use Arctic Silver 5

  • If your processor is running very hot or your computer or laptop shuts down automatically due to overheating.
  • If you haven't upgraded the thermal paste for years.
  • If you want to extend the life of CPU.
  • If you are a gamer then this is highly recommended for your CPU and GPU to protect them from overheating and even burning. It can be used with Intel and AMD processors without any problem. 
  • If you are using a laptop or notebook whose processor and GPU heats up very much. Notebook CPUs and GPUs are more prone to overheating, Arctic Silver 5 can reduce this problem.

Arctic Silver 5 Cons

It can cause problems in the motherboard or CPU if it comes in contact between two electrical paths because it is slightly capacitive. This is your fault if you do not apply it correctly.

Should You Buy It

Arctic Silver 5 is worth buy if you want your computer's processor temperature come down by 13% at full load. The difference will be between 3-12 degrees, depending on the type of CPU.
Read How To Apply Arctic Silver 5

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