AMD Athlon II X4 640 3.0GHz Quad Core Processor Review

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Power Consumption

Prime95 Stress Test

Since power consumption is a big deal these days, we ran some simple power consumption tests on our test beds. The systems ran with the power supplies, case fans, video cards and hard drives. To measure idle usage, we ran the system at idle for one hour on the desktop with no screen saver and took the measurement. For load measurements, Prime95′s in-place large FFT’s was run on all cores to make sure each and every processor was at 100% load for maximum power consumption and heat. All processors were tested on a system using the same hardware; the exception is the Intel system.

System Power Consumption

The AMD Athlon II X4 640 draws slightly more power than the AMD Athlon II X4 635. This is to be expected as it is a faster processor.

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