Is my CPU running too hot or normal.

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fajardokier

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May 15, 2012
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So I just got the intel core i7 4790k. and of course I have to benchmark it to see if it's stable. I'm still using my intel stock cooler. And what i've notice is, when i started stressing the CPU using prime95 the temperature is around 88-90 degrees celcius. Tho I havent changed anything yet from the bios except for the XMP and my cpufan is at the maximum speed. Is it because of my stock cooler? or is this normal for Haswell refresh?
 
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CompuTronix
Guys,

Core i 2nd, 3rd and 4th Generation CPU's have AVX (Advanced Vector Extension) instruction sets. Recent versions of Prime95 (28.5) run AVX code on the Floating Point Unit (FPU) math coprocessor, which produces unrealistically high temperatures. The FPU test in the software utility AIDA64 shows the same results.

Prime95 v26.6 produces temperatures on 3rd and 4th Generation processors more consistent with 2nd Generation, which also have AVX instructions, but do not suffer from thermal extremes due to having a soldered Integrated Heat Spreader and a 35% larger Die.

Please download Prime95 version 26.6 - http://windows-downloads-center.blogspot.com/2011/04/prime95-266.htm

Run only Small FFT’s for 10 minutes.

Your Core...
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bharath1097

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Jul 10, 2007
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Make sure that the heatsink is mounted properly and also change the thermal paste once and verify that you are still getting these temperatures.
I heard that intel is shipping crappy heatsinks with haswell processors. That may also be the reason. Also what program are you using to check the temperatures and what is your ambient temperature ?

Also it is always better to use a good aftermarket cooler. Coolermaster hyper tx3 evo or a hyper 212 evo are pretty good.
 
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fajardokier

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May 15, 2012
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I tried re mounting my heatsink again and still the same results. I monitor my temperatures using the AI suit from ASUS. Do you think it's my crappy heatsink?
 
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CompuTronix

CompuTronix

Intel Master
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Nov 13, 2006
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Guys,

Core i 2nd, 3rd and 4th Generation CPU's have AVX (Advanced Vector Extension) instruction sets. Recent versions of Prime95 (28.5) run AVX code on the Floating Point Unit (FPU) math coprocessor, which produces unrealistically high temperatures. The FPU test in the software utility AIDA64 shows the same results.

Prime95 v26.6 produces temperatures on 3rd and 4th Generation processors more consistent with 2nd Generation, which also have AVX instructions, but do not suffer from thermal extremes due to having a soldered Integrated Heat Spreader and a 35% larger Die.

Please download Prime95 version 26.6 - http://windows-downloads-center.blogspot.com/2011/04/prime95-266.htm

Run only Small FFT’s for 10 minutes.

Your Core temperatures will test 10 to 20C lower.

Please read this Tom’s Sticky: Intel Temperature Guide - http://www.tomshardware.com/forum/id-1800828/intel-temperature-guide.html

Thanks,

CT :sol:
 
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