i7 4790k prime95 overheats?

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709zzy

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Jul 13, 2013
171
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10,690
Hi guys, I am running my 4790k at default clock with noctua nh-c14 heatsink. With this setup, prime95 blend test brings my cpu temperature all the way up to 82 degrees Celsius. And if I do small FFTs stress test, the cpu temperature shoots up to 96 degrees almost right away. Is this suppose to be normal? I just bought the 4790k last week, and I don't know if I need to worry about this temperature or not. My FX 8350 only gets 50 something degrees doing small FFTs test using the same noctua nh-c14 heatsink and computer case.

TL;DR
4790k blend test 82 degrees, small FFTs 96 degrees, is this normal?
Heatsink: Noctua NH-C14

Btw, why is all 4 cores of the 4790k running at 4.4ghz during stress tests?
I thought the turbo core only kicks into effect at full speed with one core active?
How come mine are all running at 4.4ghz during 100% load?
Also, whats the max safe temperature for the i7 4790k? For example 8350 is 61 degrees,
whats the value for this cpu?
 
Solution
MightyBoyGaming
Unfortunately your temps are normal for that CPU. Here's some little fun facts :

Your CPU should run anywhere from 60-85c
It will throttle at 100c
It will shut down at 130c

You have a k processor so it will boost into 4.4 when it needs to. If the stress test goes into the high 90's then it has more than likely throttled to protect itself.

If you want to see the full potential then you will need to employ a more aggressive cooling solution. Also, be sure to do airflow activities such as proper cabling and extra case fans.

Go forth and conquer!
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7

709zzy

Honorable
Jul 13, 2013
171
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I did, re-installed it about 3 times already. Whats your 4790k's temperature and whats your heatsink?
 
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MightyBoyGaming

MightyBoyGaming

Reputable
Jul 10, 2014
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4,710
Unfortunately your temps are normal for that CPU. Here's some little fun facts :

Your CPU should run anywhere from 60-85c
It will throttle at 100c
It will shut down at 130c

You have a k processor so it will boost into 4.4 when it needs to. If the stress test goes into the high 90's then it has more than likely throttled to protect itself.

If you want to see the full potential then you will need to employ a more aggressive cooling solution. Also, be sure to do airflow activities such as proper cabling and extra case fans.

Go forth and conquer!
 
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Solution
V

voked

Honorable
May 13, 2013
28
0
10,540


Dude. A single 970 is not "all you will ever need" in ultra-settings gaming. There's a sales pitch, then there's blatant lies. You don't know what their monitor setup is.


But, I can agree with you on how the 4790k behaves.
 
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