I7 4770K and H100i temps

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davidst95

Distinguished
Apr 4, 2008
170
0
18,680
Hi,

I ran a few tests on my I7 4770K and H100i cooler and below are my results. The temperatures are higher then they should be:

3.5 Ghz
Idle
.9V
Corsair CPU - 28C
Corsair H100i - 26C
Gigabyte - 20C
Real Temp - 32C, 32C, 31C, 29C

Prime95 Blend
1.3V
Corsair CPU - 60C
Corsair H100i Temp - 30C
Gigabyte - 49C
Real Temp - 65C, 63C, 63C, 60C

Prime95 Small FFT
1.3V
Corsair CPU - 83C
Corsair H100i - 31.7C
Gigabyte - 74C
Real Temp - 86C, 85C, 84C, 79C


3.8 Ghz
Idle
.9V
Corsair CPU - 31 C
Corsair H100i Temp 27C
Gigabyte - 23 C
Real Temp - 33, 31, 33, 30

Prim95 Blend
1.415V
Corsair CPU - 65C
Corsair H100i - 29.6C
Gigabyte - 59C
Real Temp - 73C, 71C, 70C, 68C

Prime95 Small FFT
1.415V
Corsair CPU 100C
Corsair Temp 33.9C
Gigabyte - 91C
Real Temp - 104C, 104C, 99C, 95C
(drops down to 3.7 GHZ)


4.0 Ghz
Idle
.9 V
Corsair CPU - 33C
Corsair H100i - 29.4C
Gigabyte - 22 C
Real Temp 36C, 35C, 33C, 32C

Prime95 Blend
1.448V
Corsair CPU - 71C
Corsair H100i - 31.3C
Gigabyte - 62C
Real Temp 76C, 77C, 75C, 74C

Prime95 Small FFTs
1.415V
Corsair CPU - 100C
Corsair H100i - 33.8C
Gigabyte - 91C
Real Temp - 105C, 104C, 100C, 92C
(drops down to 3.78 GHZ)


4.2 Ghz
Idle
.91-1V
Corsair CPU 33 C
Corsair H100i - 28.8C
Gigabyte 23 C
Real Temp 35C, 34C, 34C, 33C

Prime95 Blend
1.448V
Corsair CPU 72C
Corsair H100i - 30.7C
Gigabyte 64C
Real Temp - 77C, 77C, 74C, 72C

Prime95 Small FFTs
1.415V
Corsair CPU 98C
Corsair H100i - 33C
Gigabyte - 91C
Real Temp - 105C, 101C, 100C, 91C
(drops down to 3.78 GHZ)


Could this be an issue with my CPU or Cooler? It's strange that the H100i doesn't change temperature. Thanks for any help.

David
 
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chris987

chris987

Judicious
Jun 10, 2013
4,467
0
33,760
what i understand is that you use auto voltages for overclocking. as result you get 1.448v which is ridiculously high. i wouldnt run my cpu beyond 1.3v and 75c for 24/7 usage. you should be able to achieve 4.2ghz with fixed voltage of about 1.125-1.225v easily.be carfull you have reached hazardous temps!

http://www.overclockersclub.com/guides/overclock_intel_4770k_guide/
 
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techgeek

techgeek

Splendid
Apr 11, 2004
5,297
9
29,965
You should use Manual mode for Vcore. Auto, Offset, and Adaptive will way overvolt you CPU under load, especially with AVX instructions which Prime95 uses. Set to Manual lie chris has said. Start at something like 1.2V for 4.2GHz. This should bring down your temperatures quite a bit.
 
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Fr33Th1nk3r

Fr33Th1nk3r

Reputable
Feb 22, 2014
222
0
4,710
If you use Asus AI suite 4.2 auto clock is good, after that you need to manually set your volt threshold and cores to whatever herts ur going for. but yea dont let ur volts go over 1.25 thats just asking for trouble. People who program the auto OC stuff need to get their stuff right.
 
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