What are good stress test temperatures for my GPU and CPU?

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Aidanx360

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Dec 28, 2013
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Hey guys,
Just wondering what would be a good stress temperature for my GPU and CPU.
When using HWiNFO combined with Heavy load by JAM, My GPU only ever touched 29c
and my CPU 42c after a 5 minute test in a room way bellow 20c (Can't give you the exact temp of the room, Haven't got an ambient detector...).
My specs:
GPU: Msi GTX 760 OC edition,
CPU: AMD 8350 Black Edition,
Case: Corsair 300r Windowed edition,
Fans, 4, 2 CPU, 1 Exaust, 1 Intake (And obviously, My GPU has its own built in heatsink...),
Thanks,
Aidan.
 
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Nuclear101


I think maybe 1 direct intake, and let the fan push out the heat from itself.
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Nuclear101

Nuclear101

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Jun 11, 2012
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I will recommend anything under 80C after 20 minutes of kombustor. For CPU, keep it under 85C with Prime95 for 20 minutes and you should be good. You can get away with 85-90C on both, but it may shorten the lifespan of the parts. An important note is to keep the CPU voltage under 1.5V, as after 1.5V the temperature fluctuates very un-predicatably. For the GPU, you can adjust the voltage to however much you want until a. It shuts down or has a graphics error when running kombustor or b. it reaches >80C.
 
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Aidanx360

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Dec 28, 2013
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10,510

I've tried Kombustor, Which after a time of 5 Minutes on the graphic lake of titan the graphics card just touched 75c and then went down again to about 72c by the time the 20 Minute test was up. On prime 95 even better, The CPU only ever touched 45c after the 20 Minute period. Is it a pass, Or should I be worried? (Thinking of getting 2 140MM pwm's on the pannel nearest to the graphics card, Pull some cool air directly onto it, Good idea or...No?)
Thanks,
Aidan

 
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Nuclear101

Nuclear101

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Jun 11, 2012
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Now that is a good setup :D If your GPU stays below 75C after 20 minutes, then its a green light for 100MHz increase. For your CPU, you can overclock a lot more, until 80C, or until black screens. If you use pwm fans, you can overclock your GPU even more :) For my video editing/gaming rig, I use an i7-4770k and a GTX 780Ti, but both are watercooled by a 240mm and a 360mm radiator. I overclocked my GPU to 1.2 GHz with ease and my CPU to 4.5 GHz.
 
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Aidanx360

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Dec 28, 2013
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Nice, So should i think of adding additional PWMs to the side of the case for better airflow onto the GPU or route the fans to be a exhaust taking the hot air away from it?

 
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Nuclear101

Nuclear101

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Jun 11, 2012
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I think maybe 1 direct intake, and let the fan push out the heat from itself.
 
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