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Thursday, June 23, 2005
Arctic Cooling Copper Lite

3. Performance

To measure the CPU's temperature, we used SpeedFan v4.24. After letting the processor cool down in idle mode, we fired up Prime95 and ran the in-place large FFT test to heat it up to its maximum level. This is the graph of the temperature with the original AMD Socket A cooler:

Starting from 58C...
and the reported fan speed...

The temperature during idle is approximately 58 °C. When we began the torture, test this increased to 65 °C. At the same time, the rotation speed of the fan was between 2720~2820rpm.

We then repeated the same test with the CopperLite cooler installed:

Starting from 34C in idle mode...
the RPM graph under the Freezer 64

The temperature began from 52°C instead of 58 °C and reached 60°C instead of 65 °C. 5 °C difference is not bad at all. The rotation speed of the fan was at 2680~2760rpm. The noise level was rather low but we couldn't estimate the absolute value.

Lower temperatures with lower rotation speeds than the stock cooler, do we need anything more?




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