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SLi temps?

post #1 of 6
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why does one of my 8800GTS average about 5C higher than the other one? Not really a big concern, they are both running w/ in normal operating temps. Just wondering if anyone had any ideas? Could it be that they are 2 different versions of the same card? One is a AR version and the other is A3. They are both suppose to have the same specs, but one shows up on GPU-Z as having a Core Clock of 650MHz and a Shader of 1625MHZ instead of the specs of 670/1674

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post #2 of 6
My pair of HD3870's do this also - the higher temp is the card that the display is connected to - as it is working when the desktop is displayed - the second card just idles on the desktop

Hope that makes sense
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post #3 of 6
that's definitely a possibility, I have the same thing with my GT's the top card is always 4C higher than the bottom one, I was thinking it just might be a thermal issue where the heat from the bottom card rises to the top card causing slightly higher ambient temps for the top card. Afaik this is normal.
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post #4 of 6
Yup that happens to me to. I think its cause one of the cards is extremely close to the bottom of my case it doesn't get enough air.
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post #5 of 6
It because the top card is a primary and bottom is secondary... be sure "force split frame rendering" is enabled in nvidia cntrl panel.

But your card thats plugged into ur display is a primary so it will run a bit hotter..

no worry, as long as its not overheating
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post #6 of 6
it actual all depends on if the bottom card can breath or not. i used to idle the same but my bottom card would load at 81C before my case mod. so check your load temps.
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