Core 0/Core 1, big temp difference.

[simonnance]

OK, ive undervolted my E6400 nicely..... and Core 0 is at a nice 25C, but Core 1 is hitting 31C!

Temps with TAT and Coretemp, no proccesses taking up the second core (i normaly see that type of temp diff when running Folding on one core). Using a well seated Ultra-120 on a lapped IHS.

6C diff is 20% more.... that's a LOT. Not dangerous, but very strange, and only really noticable on low volts at idle (TAT load is 31/34, so still a dif, but much less of one).

Any explanation?

 

[simonnance]

it's seated pretty well...... the Ultra-120 has a very good mounting mechanism with regards to it sitting propperly, and the TIM is applied propperly.

anyway, arent the 2 cores on the same die? So rather than 2 points of contact with th eIHS there should be just one for both cores, so if there was poor contact with the HSF it should effect both.