which vcore sensor should i trust? z390 aorus pro

I'm in the process of overclocking my i7-9700k 1.3v on bios and I need to know which vcore output i should trust.. mobo is z390 aorus pro with LLC on turbo.
I'm told VR VOUT is the most accurate! I need to confirmation on this...
here is a picture of my hwinfo output in which I highlighted 3 "suspects"
scaled hwinfo.jpg
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Those are temperatures of each core, CPU Package is the average among all sensors in CPU.