Core i7 920 temps, false reading?

Joined
Nov 26, 2005
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I'm getting about 37-40*C idle on Realtemp. When I first build my rig I sent it back to newegg for another, only to get the same temps. My motherboard LED readout (EVGA X58 SLI) is telling me 24-26, so I'm assuming it is more correct than Realtemp? I'm ready to overclock and don't want to go too crazy and run into trouble.
 
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On my EVGA 3SLI I find that the LCD readout is always 10C to 15C lower than the thermal diode temp.

So right now when the LCD reads 45C to 47C I am seeing thermal diode temps of 67 to 69C at 8 thread full load for hours with my i7 920 overclocked to 3.0GHz and using a CM Hyper 212+. In a room that is warm 80 to 90F (26C to 32C)

The thermal diode is much more accurate than the external sensor so I believe that.
 
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Yeah I had a thought it was that as well, just didn't realize it displayed the CPU temp when it was up and running. I don't have a neat windowed case lol.
 
I do not right now, just do not have the side on my case because after 3+ months I am not finished building..
 
I'm in the same boat just about... I bought a 775 setup 2 months ago wasn't happy and then finally got the i7 setup and now I wanna WC the cpu get a new PSU and try to upgrade to 460's in a reasonable time frame.
 
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