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CPU-Z vs BIOS Core Voltage

W

wbynum

Senior member
Does your BIOS setting or CPU-Z display the correct core voltage of your processor? In the BIOS I have V-core set to 1.39375v. In CPU-Z it shows as 1.360v. Which is correct?

Thanks.
 
Anandtech has a good article describing the voltage delivery requirements for C2D chips.
Intel Voltage Delivery Requirements

Basically the voltage you set in your BIOS is the VID, or the maximum permitted voltage that can be observed during the transition from full load to idle voltage.

The voltage you see in CPU-Z (given the sensor is correct) is the VID - Voffset, which is "actual" voltage on your chip. (see diagrams in the article and it will be more clear).
 
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