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[Help] 4670k High load temps at stock

post #1 of 9
Thread Starter 
I put together my first build 4 days ago and I'm having a problem with my processor load temps at stock. They are fine at idle (28-35c) but when I run IntelBurnTest on high they skyrocket to mid 80's. People on other sites are reporting load temps of high 40's to low-mid 50's after hours of stress testing. My room temp right now is around 74f and the case temp is 31c right now. I have googled for hours and probably repasted and reseated my heatsink 10 times by now. I have actual rice grains and BB's sitting on my desk to reference for paste amount. My motherboard is a Gigabyte Z87x-ud3h, cooler is Cooler Master Hyper 212 Evo, and Case is Phantom 410 with stock fans. The only thing I changed from stock in the bios was setting my ram (Corsair Vengeance 2x4gb) to 1600mhz 9-9-9-24, which is what they were supposed to be, and I disabled the Intel integrated graphics. Ram was set manually.

I suspect my motherboard may be overvolting the cpu or something since all the settings are set to auto, but I'm not sure what the stock voltages should be, or how to set them back. This is my first time having a computer with an unlocked bios. HWMonitor says the Vcore peaks at 1.272 volts during IntelBurnTest, and CPU-Z says it peaks at 1.258. I am having an extremely difficult time studying for my classes with my new pc not working correctly and I would appreciate it so much if one of you guys could help me get to the bottom of this. I will provide pics/screenshots upon request, just tell me what you guys want to see.

Here's a screenshot after a run of IntelBurnTest on high:
post #2 of 9
intel burn test is alot more demanding than say prim95. My buddy cpu ran around the same temp but he switched out his thermal paste for a higher quality one and dropped his temps 15c on average. I would try using artic silver or another same quality thermalpaste
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post #3 of 9
Thread Starter 
Arctic Silver 5 was actually what I was using first, and then I swapped to the stock Cooler Master paste because I was about to run out. Also, Prime95 is what I was testing with first, temps were still mid 80's after 5-10 minutes. I read a thread somewhere about how Prime95 doesn't work well on Haswell processors, so I started using IBT so see if that's why the temps were getting so high.
post #4 of 9
Can you get voltage readings off the motherboard vs what the bios says, or what an app says while in OS? Even with setting the voltage in bios, actual readings will vary. My vDIMM set to 1.58v in bios will read 1.615v at the motherboard terminal via a multimeter. My vCore set to 1.150 in bios will read 1.125v at the terminal.. so it's best to read the voltages from terminals on the motherboard when possible.
     
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post #5 of 9
Thread Starter 
I measured the Vcore with a multimeter while prime95 was running and got 1.25-1.27. Cpu-z was between 1.190 and 1.258. In the bios the multimeter read 1.200 which is what the bios said. Are these voltages too high?
Edited by StonedAlex - 11/13/13 at 8:39am
post #6 of 9
Quote:
Originally Posted by StonedAlex View Post

In the bios the multimeter read 1.200 which is what the bios said.


A multimeter doesn't read what's in the bios, it reads from the terminals off the motherboard. Could you explain that again, please smile.gif
     
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post #7 of 9
Thread Starter 
I used the multimeter to measure the vcore while the computer was running in the bios so I could compare what the multimeter said with what the bios said and see if it was accurate. They both measured 1.20. Sorry for the confusion. It seems to max out around 1.272 though during stress tests. Is that why my temps are so high?
Edited by StonedAlex - 11/13/13 at 9:16am
post #8 of 9
Are you running Turbo and other motherboard "features"?

I generally turn all those off on my gaming rig.. well h*ll my main rig also.. They seem to do less good than otherwise
     
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post #9 of 9
Thread Starter 
Probably, everything is set to auto other than my ram settings and the disabled intel graphics, but it still hits the same temps even with stock ram settings at 1333mhz. I figured the voltage was too high because I read about people who were running like 4.6ghz overclocks with the same vcore, but I don't know what I should lower it to or if I have to lower other voltages too when I bring the vcore down.. I can post pics of my bios if you want.
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