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Cpu core voltage

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Last response: in CPUs
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November 17, 2010 2:59:07 PM

Hi everyone, I've build myself a new computer not so long ago and i was messing around with cpu-z yesterday when i noticed that my core voltage was fluctuating alot to my opinion. Here are the voltage that i could read; 1.368 - 1.356 - 1.344 - 1.332v, so i'm wondering if it's normal or not.

btw i've not overclocked my cpu or nothing, here's some specs;

AMD Athlon II x4 640 3Ghz
Asus M4a87td EVO Firmware version 1005
2x2GB Corsair xms3 1333
XFX HD5770
OCZ ModXStream 600w
with Windows 7 64-bit running


Thanks alot for your help!

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November 17, 2010 3:06:58 PM

It's normal for your voltage to fluctuate depending on the cpu load. Completely normal behavior of electrical current under resistance. The more Resistance you put on it, the lower(to a point) your voltage will get. So all that your seeing is fluctuation in your voltage to coincide with the difference in the cpu load.
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November 17, 2010 3:23:45 PM

oh that would make sense, i'll try it when my cpu is not under load to make sure. Thanks for the fast reply!
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a b à CPUs
November 17, 2010 3:33:43 PM

Yep, simple way to prove what I'm saying is keep cpuz open and run a program that puts the cpu under something like 25% load or more. Then watch your volts rise again when back at idle.
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