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i7 cpu coolers round-up 2009 - Testing Methodology
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Sunday, 23 August 2009 14:16
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Article Index
i7 cpu coolers round-up 2009
Cpu coolers tested
Testing Methodology
Testing
Results and conclusion
All Pages

 

Heatsink testing methodology

  • Each heatsink test consists of two parts, Real Test and Synthetic Test.
  • Real Testing is performed in a real system, while Synthetic is done using methods that simulate thermal loads.
  • Stable thermal loads are used in order to have accurate results, more specifically thermal load is produced by power resistors.
  • The thermal load wattage is 30,60,90,120,150,180,210 watts. This covers a really wide range of processors and also overclocked states at wattages of 180 and 210 watts.
  • Temp readings are taken from a sensor inside a copper plate that is the exact size of the processor tested in order to simulate the cpu with the best way.
  • For reading the temperature I am using a high sensitivity digital multimeter.
  • Thermal paste used in each test is Noctua NT-H1 because it has very quick break-in time.
  • The copper piece that simulates the processor is not perfectly sanded, because the actual processor heatspreaders are never mirror polished.This happens again to have as accurate results as possible.
  • Sound pressure levels are measured with a high sensitivity digital sound pressure meter, from 20cm away of the cooler inside a sound proof box to eliminate any external noise of echo.   

 

 

System used for the test


Now let's move to the testing!



Last Updated on Monday, 26 April 2010 20:08
 

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