CPU jumping temps while under load

KingForever · Jul 29, 2015

My CPU is an i7 4790K. I installed a Corsair H100i Yesterday and noticed that when I used intel burn test to bench it, Temps (In Corsair Link) Were jumping from 60 down to 45, staying there for a second, then jumping back up to 60. Is this a hardware or a software problem?

Mankar Kameran · Jul 29, 2015

Most likely a hardware problem. You may not have full contact between your cooler and cpu.
I would reseat it and see if that gives you more consistent temps.

KingForever · Jul 29, 2015

Mankar Kameran :

Will Do. I just noticed that when I ran P95 Small FFTS I was getting into the 70's. I don't think this is normal for no overclock.

Mankar Kameran · Jul 29, 2015

KingForever :

Yeah, and it shouldn't jump that far. Are you using stock thermal paste or aftermarket? Too much of that won't help either.

KingForever · Jul 29, 2015

Mankar Kameran :

KingForever :

Yeah, and it shouldn't jump that far. Are you using stock thermal paste or aftermarket? Too much of that won't help either.

Using stock preapplied thermal paste. Do I need to get new thermal paste inorder to reseat the cooler?

dextermat · Jul 29, 2015

What program do you use to monitor, try another one like coretemp, hwmonito or speedfan.

Mankar Kameran · Jul 29, 2015

No, but I would recommend it. For now you can still use it to see if it is a seating issue, but I would grab some and apply it whenever you get the chance.

KingForever · Jul 29, 2015

I find it odd, because I was getting 25 degrees idle which is pretty good IMO

KingForever · Jul 29, 2015

Mankar Kameran :

I just found out you are not supposed to use P95 for Haswell benching because it overvolts the CPU. I will be testing with IETU and will see. I will still be reseating the cooler tho, once therm compound gets here.

Mankar Kameran · Jul 29, 2015

KingForever :

You can use it, but if you do then only use version 26.6 or earlier.

KingForever · Jul 29, 2015

Mankar Kameran :

KingForever :

You can use it, but if you do then only use version 26.6 or earlier.

Here is my benchmark screenshot:

http://imgur.com/bgQbcP0

CompuTronix · Jul 29, 2015

Guys,

You're all needlessly stumbling around in the dark.

Tom's DOES ask that everyone read the Stickies. From the Forum Rules - http://www.tomshardware.com/forum/id-2083474/read-forum-rules-styling-posts.html

"• Read the Stickies! Sticky threads at the top of the Forum category answer a lot of questions."

If anyone on this thread bothered to look through the Stickies, then you obviously missed this one:

PLEASE READ this Tom's Sticky:

Intel Temperature Guide - http://www.tomshardware.com/forum/id-1800828/intel-temperature-guide.html <-- CLICK HERE!

The answers are there. Read before you post. Get yourselves up to speed on this topic!

CT :sol:

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CPU jumping temps while under load

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Mankar Kameran

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KingForever

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KingForever

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Mankar Kameran

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