i5 4690K stock cooler high temp

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kyriazo

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Dec 22, 2014
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Hello guys, my 10days old cpu has bothered me the last days due to it overheating. Firstly my rig is:

Zalman Z9 case(3 fans front top & back)

i5 4690K CPU with stock cooler

Asus gtx 760 oc du ii 2gb

8GB kingston hyperX beast ram 1600mHz

Intel SSD

Thermaltake smart M 750w PSU


Today I installed Wolfenstein on my pc and ran MSI afterburner to check fps core temps etc. What I have noticed is that with ultra settings, gpu temp is below 50oC, at steady 60fps when my cpu temperature, at the four cores varies from 75-85+ oC. After that I ran prime95(the version that does not mess up the temps), the small FFT test and had steady temps of 95-100 oC. How is it possible in a game that the cpu takes so much more load than the gpu which is supposed to do the heavy job? Moreover, during in-game cut-scenes temps instantly dropped to 55-65oC. Last but not least I believe the cpu fan does not run according to the temp. I set a fan curve in msi afterburner to get it at 100% speed at 70oC but it didn't do the job. I also believe the case is not thermal paste as it was preinstalles on the cooler and correctly instaled on the CPU. So, what am I doing wrong?
 
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geofelt

geofelt

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Oct 9, 2006
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The stock cooler is not a very efficient one, even at max rpm.
I am surprised you did as well as you did.
Under load, the cpu will throttle or shut down to protect itself if temps get too high(about 100c.)

Buy yourself a tower type cooler with a 120mm fan. $30 buys you one that will run quieter and cooler.

On you overclocking, check your vcore. Over 1.30 is bad for 24/7 operation.
I use OCCT which I thinks is a test more representative of what one does normally.
It will shut down the test at 85c.
 
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kyriazo

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Dec 22, 2014
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Bear in mind that my CPU is at stock clock, didnt even bother messig with overclocking till I get my Hyper 212 EVO in about two weeks. Yes in real temp running prime95 3 cores we in throttle and steady over 90oC an the 4th just below 90 and ok.

My surprise focuses on two things, firstly how yhe temperature instantly drops at 65+ when I stop the stress test(same goes for entering a game cutscene), and how is it possible that it takes so much heat load even with stock cooler compared to the gpu. God knows what will I see when I ll run CoD:Advanced Warfare tommorow! About the fan speed, is there any setting I have to do in the bios?
 
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geofelt

geofelt

Titan
Oct 9, 2006
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The temperature is not a real temperature measurement.
It is a calculation, based on current inside different parts of the cpu.
The stress test will probably turbo up some, increasing voltages.
The pushpin mount is tricky.
It is also possible that your stock cooler mount is not good.
All 4 pushpins need to be through and locked. Check the back of your motherboard.
There should be no wiggle if you nudge the cooler.
 
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kyriazo

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Dec 22, 2014
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4,510
I have already been through the procedures you re talking about. Now I am looking at wolfensteins main menu and I have a gpu temp 42 and usage 15% and cpu is at 73-78 withoun even being in game

Edit: now 30 minutes later the whole pc crashed..great. cant understand why this is happening. Shouldnt the gpu get more stres than the gpu in gaming? Also my core voltage was around 1.227

2nd edit: Out of curiosity I downloaded aida64 and stresstested the cpu, temps went just up to 80oC. Then again to play i used the mobo easy tuning from the bios and restarted running at 4.3ghz(before it was 3.3. Surprisingly the stress test was even better up to 77oC, core voltage at 1.227 as before and in game temps below 80. Does this make sense?
 
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