Quote Originally Posted by technut36 View Post
CPU temp in the bios is about 5-10 degrees lower compared to realtemp, which one is more trust worthy, or neither?
The bios is reading a different sensor then realtemp.

The i7 has multiple digital thermal sensors on die with tjmax read from the cpu. Realtemp reads tjmax and the sensors directly and reports the core temps correctly.

There is also a diode sensor between the cores read by chip sensor and calibrated by the bios, is subject to interference error, and not located to read any hot spots. It is calibrated by the bios to give a guess at IHS temp, but since it is not located at IHS it will always be either off at idle or at load. It is the cpu temp in everest and speedfan, it will always be a lower temp than core temps, and less accurate.