Overclocking i5-4690k to 4.3 / 1.225 + 212 Evo = 90+ temps?

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LinxuSx

LinxuSx

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Aug 23, 2014
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Hi guys,

I just finished my first build with the following parts

  • i5-4690k
    Asus Z97-Pro
    Hyper 212 Evo
    Arctic Silver 5 Thermal Compound
Here's a PCPartPicker link to all the parts.

For some reason, I'm getting abnormally high temperatures when overclocking it. I was able to get 4.4 GHZ @ 1.25 volts stable, but it would hit 90+ in Prime95. I tried lowering to 4.2 GHZ @ 1.2v, but still exceed 85+. For all of these cases, I used manual voltage and upped the ratio.

So far, I've tried reapplying the thermal paste with no luck. It looked like the first time I didn't apply enough, and the second time I might have applied slightly too much. The CPU idles fine at about 35 degrees and drops down rather quickly once Prime95 is stopped.

I'm tempted to go with an H110, but I wanted to check in here and get your thoughts. Would applying a little too much thermal paste cause this high of temperatures? Or could it be something else? Is there something else I should be adjusting in the BIOS?

Let me know if there's any other information worth giving that could help in diagnosing this.
 
Solution
Y
Thank you Yogi -- I'll try out Intel Burn Test and maybe v26.6 of Prime95 tonight and then report back.

It should be worth mentioning that my goal is a stable 4.3 - 4.4 GHZ at a safe temperature. This rig is mostly used for gaming, with the occasional Photoshop and video editing. If I can run Intel Burn Test on high to tell whether or not its stable and safe temperatures for gaming and not touch Prime95, then that's the route I'll go.

From what I've been reading, the Hyper 212 EVO, combined with 4x 120mm and 2x 140mm fans in the NZXT Phantom 410 should be able to achieve this goal (assuming the CPU roll isn't terrible).
Click to expand...

You're welcome!

I agree. 4.3 - 4.4 is a realistic goal.

About IBT. It will heat up the CPU quite a bit...
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Y0GI

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Jul 22, 2013
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Just don't run the latest version of Prime95. I believe that it is v. 28.something. If you are determined to run Prime95, get v. 26.6.

The most recent Prime95 has a very intense AVX instruction set module which really puts a very high load on the CPU's FPU (Floating Point Unit). IMO, it's not worth the risk to run the latest version.

I don't think that your high temps are caused by too much thermal paste. Also, the CM Hyper 212 Evo should be good enough for 4.2 GHz.

Try running Intel Burn Test on high.

Yogi
 
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LinxuSx

LinxuSx

Reputable
Aug 23, 2014
19
0
4,520


Thank you Yogi -- I'll try out Intel Burn Test and maybe v26.6 of Prime95 tonight and then report back.

It should be worth mentioning that my goal is a stable 4.3 - 4.4 GHZ at a safe temperature. This rig is mostly used for gaming, with the occasional Photoshop and video editing. If I can run Intel Burn Test on high to tell whether or not its stable and safe temperatures for gaming and not touch Prime95, then that's the route I'll go.

From what I've been reading, the Hyper 212 EVO, combined with 4x 120mm and 2x 140mm fans in the NZXT Phantom 410 should be able to achieve this goal (assuming the CPU roll isn't terrible).
 
Upvote 0 Downvote
Y

Y0GI

Splendid
Jul 22, 2013
4,745
0
24,960
Thank you Yogi -- I'll try out Intel Burn Test and maybe v26.6 of Prime95 tonight and then report back.

It should be worth mentioning that my goal is a stable 4.3 - 4.4 GHZ at a safe temperature. This rig is mostly used for gaming, with the occasional Photoshop and video editing. If I can run Intel Burn Test on high to tell whether or not its stable and safe temperatures for gaming and not touch Prime95, then that's the route I'll go.

From what I've been reading, the Hyper 212 EVO, combined with 4x 120mm and 2x 140mm fans in the NZXT Phantom 410 should be able to achieve this goal (assuming the CPU roll isn't terrible).
Click to expand...

You're welcome!

I agree. 4.3 - 4.4 is a realistic goal.

About IBT. It will heat up the CPU quite a bit. Don't be surprised if core temps go to 90*C. Keep an eye on temps during testing and if they go above 90*C., abort the test.

Also, stress testing is not "The be all to end all." If you get to 4.4 GHz but stress testing in IBT aborts at 92*C., I would try some typical usage scenarios, like BF4 or your favorite game. If it OC's to 4.4 and it is stable in BF4 with core temp below 75*C, I'd take those results regardless of what happens in IBT. IBT can be a useful tool but results in typical usage are FAR more important!

Yogi
 
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Solution
LinxuSx

LinxuSx

Reputable
Aug 23, 2014
19
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4,520
I ran IntelBurnTest with the following settings and was stable through 5+ runs:

BCLK Frequency: 100.0 MHZ
Ratio: 44
CPU Cache Ratio: 35

Vcore: 1.224
CPU Cache Voltage: 1.200
CPU Input Voltage: 1.90

[strike]With those, if you look at HWMonitor, the temps seem too high. However, on RealTemp, the temps seem very reasonable, and closer to what the ASUS Dial Intelligent software is showing. Which one should I believe? [/strike] EDIT: Nevermind. Found out that TJMax on RealTemp had been set to 90 instead of 100, causing the temperature reading to be incorrect.

http://imgur.com/XScdjC4

 
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