Cooling

DeepCool AK620 WH High-Performance Air CPU Cooler Review

Test System & Methodology

As you may appreciate, we review a lot of coolers here at eTeknix. As such, our prior results sheet was getting more than a little crowded. We have, therefore, applied a new system in which we have picked those coolers we consider most popular or most relevant to this design. Please note that we re-tested the Noctua NH-D15S as our base benchmark for cooling results.

Test system:

  • Gigabyte Aorus Gaming 9 Z270
  • Intel Core i7-7700K Delidded w/ NT-H1 under IHS
  • Radeon R7 Passive GPU with 2GB VRAM
  • 16GB Crucial DDR4 2400 MHz (only swapped to 8GB in the unlikely event of RAM compatibility issues) – If this has been done, it will be noted within the review!
  • 512GB OCZ SSD
  • be quiet! Dark Power Pro 800W
  • Lian Li T80 Test Bench
  • All testing conducted using NT-H1 thermal paste

We’d like to say a big thank you to Gigabyte, Noctua, Crucial, Intel, OCZ, be quiet!, and Lian Li for providing us with the above testing equipment and their on-going support.

Testing Methodology

  • We always use Noctua Noctua NT-H1 thermal paste to make sure testing reveals the efficiency of the tested coolers not the efficiency of the bundled thermal paste
  • Prime 95 is run for 10 minutes to calculate “load” results
  • Unigine Superposition is run for 10 minutes to calculate “gaming” results
  • The average temperature across all cores is taken
  • Fans are left to operate at default PWM profile speeds unless otherwise stated
  • For water cooling tests, all pumps have been operated at 12 volts unless otherwise stated
  • Ambient temperatures should be between 21-23 degrees in all our tests unless otherwise stated
  • Acoustic measurements are taken 10cm horizontally and 10cm vertically away from the CPU cooler with the VGA fan disabled
  • Stock tests are performed using “out of the box” settings for the CPU
  • Overclocking tests are performed with the CPU set to 5 GHz and 1.345v
  • All coolers were tested under identical settings unless otherwise stated.
  • There is approximately a 1-degree Celsius margin of error in our temperature recording software CPUID HW Monitor
  • There is approximately a 1.5dBA margin of error with our Benetech GM1351 decibel meter
  • In all these graphs we may have a few “reference” results of particular products that do not fit within that category for comparative purposes.

Software Used

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Mike Sanders

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