Overclocking 2500K w/ Gigabyte P67A-UD4-B3

goobernoodles

Golden Member
Jun 5, 2005
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I'm currently running Prime95 on my machine with all turbo levels set to 4.7Ghz. Vcore is at 1.42v. I enabled LLC and disabled C1E. Pretty much everything else is default.

Why is CPU-z showing my Vcore at ~1.056v during idle AND load?
 

goobernoodles

Golden Member
Jun 5, 2005
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voltages.png
 

996GT2

Diamond Member
Jun 23, 2005
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So... it's showing CPU Vcore @ 1.07v while "CPU" is at 1.40... The hell?

That's normal for Gigabyte boards. Go with the HWMonitor "CPU" reading...it's accurate. Alternatively you can use the monitoring utility within Gigabyte EasyTune 6 but it will give you the same readings as HWmonitor
 

tnt3k

Member
May 2, 2011
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well if you're stable i don't see why its not ok. i would suggest lowering the vcore a bit. i can get 4.5ghz at 1.305 vcore.
 

Axon

Platinum Member
Sep 25, 2003
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What version CPUZ? P67 boards are notorious for screwed up software voltage readings.
 

MrTransistorm

Senior member
May 25, 2003
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You need CPUz 1.57.1 to get the correct voltage reading. You can find it here (along with several other useful utilities).

And I don't trust HWMonitor. The last time I tried it, the readings were way out of whack. This is a screen shot from a few months ago:

monitor.png


As far as I know it has not been updated since Dec 2010 (v1.17.1 - part of CPUID SB review kit).

On the other hand HWiNFO32 is much closer to the correct values. It is also updated on a regular basis. Newer versions are spot on now:

stability_test_50GHz.png
 
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