Need help understanding cpu Vcore in bios...

[Northwoods]

When I set my cpu vcore to say 1.3v manually. The motherboard health status reading will say something like 1.278v. So why is my Vcore not matching my applied settings

This is on a Gigabyte Z170 gaming 7. The board has ton of auto features that I'm not too keen on.

 

[funsoul]

Hiya Northwoods!

Others can explain it better than I but almost all boards have a similar issue. It's called vdroop (vdrop?). Your board will have 1 or more settings for something called Loan Line Calibration (LLC). If you increase llc, it'll hold the voltage closer to what you set in bios. If you increase it more, you'll end up with more voltage than what you set in bios. Increasing llc also increases the temperature so be careful!