One core running hotter than the other

[David-Stephens]

e8400 ones at 28C others at 40C
what gives?
stock clock speeds and artic 7 cooling

 

[AndyOcUK]

All cores run at slightly different temps mate.

Screenie from my system:

You could always try re-applying your TIM and refitting the HSF.

 

[BarKeep]

Get RealTemp & use the Test Sensor option: http://www.techpowerup.com/realtemp/