4790k temperatures way too high with nzxt x61 liquid cooler

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boomah

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Nov 6, 2014
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So my 4790k is 4.60GHz @ 1.262v and stable but my temps just seem horrible.
My cores idle between 28-32c, Prime95 small FFTs drive my temps up to between 90-98c while a blend test will run between 55-63c. OCCT will run ~60c but these readings seem so damn high considering other users report the x61 keeping their load temps under 50c.

In the CAM software provided for x61 kraken liquid temp idles at ~30c and fan and pump speed don't exceed 900rpm and 3400rpm respectively.

I have remounted the x61 with stock paste twice and with AS5 twice but the problem seems to be the same. Did I just mount it badly multiple times? To be fair, after many hours of gaming (Lords of the Fallen, Shadow of Mordor, Crysis 3) my temps rarely exceed 60c.

I'm just worried something isn't quite right.

System specs:

MSI Z97-MPOWER Motherboard
Intel Core i7 4790K @ 4.60 / 1.262v
SLI 2x Gigabyte GeForce GTX 970 G1 Gaming 4GB
Kingston Hyper X Fury 8GB (2x4GB)
Seasonic XP-1050 Platinum 1050W Power Supply
NZXT Kraken X61 280mm AIO Liquid CPU Cooler
 
Solution
CompuTronix
What is your ambient temperature?

Core i 2nd, 3rd and 4th Generation CPU's have AVX (Advanced Vector Extension) instruction sets. Recent versions of Prime95 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.

Here's a link to Prime95 version 26.6 - http://windows-downloads-center.blogspot.com/2011/04/prime95-266.html

Give it a try ... your core...
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arossetti

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Feb 22, 2013
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I agree those temps are too high. I am running the same CPU at the same OC and using a Glacier 240L expanded to include the waterblock of my GTX 980 and my CPU temps never get above 42C.

One thing to look for when mounting AIO coolers is that sometimes there is a really thin piece of plastic adhered to the underside of the block/pump. I recently mounted one hastily and forgot to pull it off and my temps were spiking all over the place. Maybe it's something like that.

Also, check the directions that the fans are blowing and they are both in the same direction. Looks like you have two GPUs which may be pumping some heat into the case. Try setting the fans to pull fresh air in over the exchanger.

Try using a program like Afterburner or Precision X to set up temp targets and fan profiles.

Also, try to gently move the radiator/block around in different axes when it's pumping. Maybe there is a small air bubble in the loop that hasn't worked its way out.

Lastly, make sure you're not dumping a ton of thermal grease on the CPU while mounting. To much will not help temps.
 
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boomah

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Nov 6, 2014
3
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4,510


I've got both fans exhausting through the radiator which is top mounted, i have 3 intake fans at the front of my case (nzxt switch 810) and a rear exhaust, do you think I should flip my rear fan to blow directly over my cpu?

I've got the CAM software to operate my fans but I don't know if the monitor is accurate - I hear them increase in torque but the software reads the same amount of rpms - Also checked my bios fan profiles and they are set up to my liking.

I will try to manipulate the pipes, that's a damn good idea
 
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boomah

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Nov 6, 2014
3
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4,510


Yeah, I did. The cooler is exhausting through the top of my case (both fans are sticker side up as per x61 installation guide). Both pump and fans are plugged in /shrug
 
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CompuTronix

CompuTronix

Intel Master
Moderator
Nov 13, 2006
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What is your ambient temperature?

Core i 2nd, 3rd and 4th Generation CPU's have AVX (Advanced Vector Extension) instruction sets. Recent versions of Prime95 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.

Here's a link to Prime95 version 26.6 - http://windows-downloads-center.blogspot.com/2011/04/prime95-266.html

Give it a try ... your core temperatures will run 10 to 20C lower.

Also, you might want to give this Tom's Stick a read: Intel Temperature Guide - http://www.tomshardware.com/forum/id-1800828/intel-temperature-guide.html

CT :sol:
 
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