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Seeing these odd temperatures is making me think that the heatsink is not properly attached to the processor; that one side is not as effectively attached as the other I would remove, clean and then reinstall
Throttling starts at the Maximum Junction Temperature, Tjmax, which is typically within the vicinity of 100c but can vary from one individual processor to another. Some Intel and third-party test tools can display the actual Tjmax temperature.
Hope this helps,
Totally agree with you. However, I have already installed the cooler twice (cleaned and new thermal paste). Same high temps.
The cooler is a simple stock cooler. It has a flat surface, as well as the IHS. Thermal paste looks well spreaded. This cooler works good on CPUs.
So, next thought, is it possible that some area of the IHS is not effectively attached to the CPU?
According to what I have read, the i7-870 IHS is soldered, not just thermal paste.
Or do the core temperature sensors really give correct temperature?
Or is it possible that this is a bad manufactured CPU from the beginning and nothing to do but just use it and not care about the temps?
Thanks for your support!
The most reasonable ought to be a bad sensor, as you say,
Today I installed a BeQuiet! Pure Rock Slim, and got a little bit lower temperatures, but it still differs a lot between cores.
Core temps running Prime95
69, 90, 71, 92 (Stock cooler)
66, 76, 68, 82 (Pure Rock Slim)
I'll run it like this.