Voltage fluctuation!

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Joined
20 Nov 2010
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739
Location
Sunny Hull
Hi all,
I started playing around with my CPU and decided to go for a little OC.
However i noticed something i'm not 100% sure it is right.

I have set my VCore in BIOS @ 1.290v in Fixed Mode but when i get to Windows and run CPU-Z i get shown (as you can see bleow) 1.296v. This 1.296 stay pretty constant when the PC is idle but when i start doing something it goes up to 1.304v.

When i run Prime95 it fluctuates between 1.304v and 1.320v but most of the time it is @ 1.312v.

Pics of both below:

FrUTp.png
rtIY5.png


So my question is: Is this fluctuation normal and expected?
I thought by setting the VCore in BIOS at Fixed mode it should stay at whatever i set it to, no?

Do i have wrong understanding of all this?

Thanks
 
Yeah, it was the LLC, i had it set to the highest setting and now that i lowered it down by one notch it even undervolts a little so my CPU is running @ 1.28v under full load. I'm fine with it tho.
 
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