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What are good idle temps for my cpu and gpu?

Last response: in Overclocking
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May 25, 2011 9:30:09 AM

My idle temps for my cpu is at 38-40C

and for my gpu its around 48-50C

Are these good idle temps or do they seem a little too high?
a c 138 à CPUs
a c 241 K Overclocking
May 25, 2011 11:20:43 AM

Forget idle temp
for healty hardware cpu below 55c for amd and below 70c for intel under test stress
And Gpu find your fulload gpu temperature when test stress.
All Maximum temperature depend on your hardware
See temperature in hwmonitor : www.cpuid.com
You must test it
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a b à CPUs
a b K Overclocking
May 27, 2011 9:48:22 AM

How are we meant to answer if you don't even say what parts you're using lol.

Anyway.. as henydiah said, idle doesn't really matter.. it's stress temps that matter.

I had a CPU that idled at 45C (quite high) but stressed only ever got to 52C so it didn't matter. If you had idle of 15C that would be great, but if then stress was 70C we've got problems ;) .

Let us know what components you've got and we can give a better answer.
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a c 172 à CPUs
a c 197 K Overclocking
May 27, 2011 11:48:45 AM

If you have a 15C idle temp in an air cooled system either:
It is winter time and your system is in an unheated room or
You have a malfunctioning thermal sensor. :) 

Idle temps in an air cooled system (or most liquid cooled systems) will never be lower than ambient air temperature.

And 70C is at the upper range of acceptable for load temps in a Core2 system.

Like acer said, your components will make a big difference. This means everything:
motherboard, CPU, GPU, case, fans, construction choices including cable routing, room temperature.
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May 27, 2011 12:22:15 PM

Hehe yeah, didn't quite mean to put 15C as an example ;]. I did once boot my computer to find all 6 cores at 15C and CPU at 21C though.. middle of the worst winter in years and years lol.
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a c 97 à CPUs
a b K Overclocking
May 28, 2011 12:01:19 AM

My i7-920 (OCed at 3.82 GHz) idles at 26 C in winter.

The Dell in an unheated room idled at 4 C when I started it up to perform updates.
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May 28, 2011 9:38:29 AM

My AMD x6 1090T at 4.0GHz is currently idle at 28C on air ;) .

Silly thing is.. this chip runs 10C cooler than my old x3 chip, which had half the cores and was only ever clocked to 3.6GHz.
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May 29, 2011 3:00:09 AM

I recently had a athlon X4 640 idling at 13C. probably got into the 20's when running stress. Then I just threw a phenom X4 955 in and it idles at 30-34C idle and then maxes around 51C during stress. I thought it was quite the difference. Are you guys saying that my athlon wouldn't be reading right then? Or do they run that much cooler?
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May 30, 2011 5:54:06 PM

Anything that idles at 13C means your room temp would be at least 10C - VERY chilly house you have there! Are you talking about CPU temp or CORE temp?
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May 30, 2011 7:37:06 PM

fish_86 said:
I recently had a athlon X4 640 idling at 13C. probably got into the 20's when running stress. Then I just threw a phenom X4 955 in and it idles at 30-34C idle and then maxes around 51C during stress. I thought it was quite the difference. Are you guys saying that my athlon wouldn't be reading right then? Or do they run that much cooler?


I'm sorry,but what cooler do you use for your 955 phenom to keep it so cool?

And as it said before. It's impossible for any proccesor unit to operate at temperatures bellow room temps.
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May 31, 2011 2:09:34 PM

edgaraslt said:
I'm sorry,but what cooler do you use for your 955 phenom to keep it so cool?

And as it said before. It's impossible for any proccesor unit to operate at temperatures bellow room temps.


It's not impossible - the FreeZone Elite can hit sub-ambient temps, but it's a thermal exchange conductor or whatever it's called and also costs £200 - so yeah.. not really valid.

I believe they were looking at core temps and not CPU temps, as some mornings I have woken to cores running at 15C or so (winter).
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April 8, 2013 6:16:52 AM

Like they says, Idle temps aren't as important as load temps (mainly because you are using your PC for the time) but I can see your like me and freak out even if it rises 1C. Mine idles around 30 ~ 34 C with a heatsink and separate Thermal compound. On stress it doesn't go any higher than 47C.

Processor: AMD Phenom II x4 955
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