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E8400, idle = 44, load = 86 wtf?

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Using coretemp. Idle temps of 39-44. As soon as I start prime95 and it gets going, temps climb an amazing 42c to 86. How is that even possible?

Using stock intel cooler on P5Q-E. Not sure about bios version if that makes a difference in the readings (not my PC).

Sure, I know the stock intel is a piece of crap, but still, even the AP7 I have on my own PC only gives a 15c improvement. But 86... that's crazy. Voltage set at 1.3 for 3.6ghz. No where near the intel max of 1.4 or the realistic max of 1.5.

Any ideas?

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Try reseating it w/ a better thermal paste, or try another program to read temps. RealTemp is my favorite for temp readings and works well with 45nm's like the E8400. Also check to see if any of the Bios voltage settings are on "auto" I had this problem that brought me close to the 70C's because it over supplied quite a bit.

Well I downloaded speedfan on a hunch, and apparently, the CPU fan's speed either doesn't increase in speed as the load increases, or it actually goes a little bit slower.

Maybe the P5q-E/e8400 handles things differently, but on my P35-S3L + e7300, the cpu fan speed goes up quite a bit when temps start to raise.

Anyone able to shed some light on that?
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That is correct, and that .6ghz is really not that much. Especially when the voltage increase is also comparably low.

It seems atm, that the fan may have been plugged into something wrong, but I'll get back to you on that when I investigate more.

reseat the cooler. I was having similar problems with my e6750, until i reseated the cooler. I hate coolers that u have to plug in like that, pushing down till it locks into position. If u have the fan plugged into something wrong the mobos will say upon booting that fan is not working or similar message, also the utility wont detect the rpm of the fan when it is plugged into something wrong. However fan in the wrong slot shouldnt give u the temp of 86.

brendano257 said:
Try reseating it w/ a better thermal paste, or try another program to read temps. RealTemp is my favorite for temp readings and works well with 45nm's like the E8400. Also check to see if any of the Bios voltage settings are on "auto" I had this problem that brought me close to the 70C's because it over supplied quite a bit.



real temp is now finally starting to report temps accurately. you will not notice a difference between realtemp, coretemp or speedfan on 45 nm cpus.

crystalklear64 said:
That is correct, and that .6ghz is really not that much. Especially when the voltage increase is also comparably low.




that .6ghz is 600mhz on four cores mate. i'd rather get a decent 3rd party cooler instead of wasting you're time with that stock cooler. its ugly and unreliable.
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