Intel Pentium G620 Sandy Bridge 2.6GHz CPU Review

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Power Consumption

CPU Power Consumption

Since power consumption is a big deal these days, we ran some simple
power consumption tests on our test beds. The systems ran with identical
power supplies, Solid-Sate Drives, Memory kits and motherboards from
the same company. 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 were run on all
cores to make sure each and every processor was at 100% load for maximum
power consumption and heat. Curious about other test  scenarios, we
decided to 3DMark Vantage the performance preset and took the maximum
power consumption during the first GPU test. We also tested a video
transcode using HandBrake 0.95 to see how the power draw on that was.

ASUS F1A75-M Pro System Power Consumption

Benchmark Results: The Intel Pentium G620 is a 65W TDP processor, but the highest Wattage that we were able to get the entire test system to was just 56.1 Watts. This is very lower power consumption when you think about it!  At an idle the Intel Pentium G620 used a little more power than the Intel Core i3-2120, which is strange, but not two processors are alike and power efficiency varies widely.

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