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GPU to hott

post #1 of 18
Thread Starter 
I have crossfire 6970's. A reference XFX 6970 with no back plate on the back of the card and then a PowerCooler 6970 which has a metal back plate on the back of the card. The XFX card is in the top slot and the PowerCooler is in the bottom slot. The XFX card idles at 40c while the PowerCooler idles around 60c. Does this have anything to do with the back plate on the card? Also should I try to re-apply some quality thermal compound to the over heating card? I have never removed a stock cooler from a GPU. Can anyone post a guide or instructions on how to remove everything including the metal back plate? +reps thanks.
post #2 of 18
Those temps look good to me.
They must be very close from each other and the airflow isn't good enough for the top card.
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post #3 of 18
Thread Starter 
Their 2in apart, and the airflow is great. 60c is normal? my other one runs at 40c?
post #4 of 18
well they seem safe as long as load doesn't go above 100c
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post #5 of 18
Quote:
Originally Posted by charlesC8188;13710994 
Their 2in apart, and the airflow is great. 60c is normal? my other one runs at 40c?

Hmm I have to admit 60c idle for the bottom card in cfx is higher than usual. What are your load temps like?
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post #6 of 18
Thread Starter 
Quote:
Originally Posted by Tomalak;13711259 
Hmm I have to admit 60c idle for the bottom card in cfx is higher than usual. What are your load temps like?

about 75c. Should I try putting some Artic Silver on the hott card?
post #7 of 18
Yeah just try applying some new thermal paste to it. It is very easy to do with a gpu, just unscrew any plastic cover to reveal the heatsink/fan and unscrew that from back. smile.gif
It might make a difference. The powercooler might be blowing air up and its being difflected back down off the hot bottom of the other card? Just a thought.


Edit:- Your temps seem fine to me! Anything getting near 90-100 then you can start to wonder. But anything below that is normal! smile.gif Good luck!
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post #8 of 18
Try putting the one with the backplate on top, and the one without on the bottom. I'd guess a fair bit of heat is coming off the bottom one and heating up the top one, and the backplate would only make this process more significant.
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post #9 of 18
Quote:
Originally Posted by charlesC8188;13711266 
about 75c. Should I try putting some Artic Silver on the hott card?

If load temps on your cards are fine (and 75c is fine) I wouldn't worry too much about idle temps.
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post #10 of 18
What are the clocks they are running at idle? Maybe the hotter card is stuck at the 3d clocks.
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