I5-4670K Idle Temperatures

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Rami Zerker Reini

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Mar 20, 2014
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Hello!

Since I'm not a temperature expert I thought I would ask the community..

I have an i5-4670K with a Cooler Master EVO 212 CPU Cooler (and GTX 770 if anyone was interested). First I was getting solid 25C idle which made me extremely happy, THEN THE FIRE NATION ATTACKED, well.. not the Fire Nation but the Temperature Nation did. After a couple reboots the idle temperature went up to 35C and now it's at 37-38C idle, I have 4 fans and my room is mostly cold because I keep the window open. Meanwhile UEFI/BIOS was saying "CPU fan error" because the CPU Cooler went under 600RPM, you could lower it to 500 so it starts to complain then but I just put the CPU Cooler on Turbo and now it's approximately 700-800RPM (it always goes low at boot but then steadily rises). I thought that would help, but not really. My case is Fractal Design Define R4 and I want to ask is 37-38C idle normal (goes to 41-42C while playing Diablo 3 for example).
 
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unknownofprob
Hi and welcome to the forums!

those temps, though they have increased are really good. I would be not be worried about those idle temps at all, they are safe and are quite normal, even though they have increased. in gameplay, low 40 degrees is really good, no need to worry about anything, your perfectly fine and your CPU is not being damaged in an way. I will only be damaging if the temps go over 95-100 degrees, your way below that.
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unknownofprob

unknownofprob

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Hi and welcome to the forums!

those temps, though they have increased are really good. I would be not be worried about those idle temps at all, they are safe and are quite normal, even though they have increased. in gameplay, low 40 degrees is really good, no need to worry about anything, your perfectly fine and your CPU is not being damaged in an way. I will only be damaging if the temps go over 95-100 degrees, your way below that.
 
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techgeek

techgeek

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Diablo III isn't a particularly grueling test for a CPU. If you want to know worse case scenario, run Prime 95 small FFT's. If you temps are around high 60's low 70's, you are OK. If they are getting into the 80's, then there is reason of concern.

As for the temperatures you've stated, it looks normal to me.
 
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Rami Zerker Reini

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Mar 20, 2014
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Thank you! Thank you to everyone else who responded as well.

72 is the allowed highest C amount on the i5-4670K.

PS. I'm not new to the forums :D
 
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kiezz

kiezz

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Jul 7, 2011
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is it possible you disabled intel speedstep or are using manual voltage instead of adaptive or changed the power plan in windows from balanced to performance as that would explain the jump in idle temps from 25c to 30's as you would have a constant voltage to the cpu rather than cutting back to 0.7v at idle
 
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Rami Zerker Reini

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Mar 20, 2014
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I keep the setting "Balanced" since I see no reason to use "Performance" for the games I play.
 
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