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post #11 of 20
Thread Starter 
also when i try stressing the gpu's with kombuster, its only stresses each about 50 % give or take. aren't both suppose to be at 99-100?
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post #12 of 20
10C higher on the top card is totally normal, esp. with cards that don't do external exhaust. 15C is a bit high, 20C is definitely out of line. Although I'm basing this on having at least one totally empty space between the cards. If there's not, even 20C is not totally out of line ... troublesome, to be sure, but not that extreme.

You mentioned all three temp differences, so ... which one is it? Are you running your tests at full-screen, on games/tests that definitely support SLI?

As mentioned try switching the two cards, maybe one is better at cooling than the other.

Also, do the green dots you refer to go away at the stock voltage?
    
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post #13 of 20
Quote:
Originally Posted by Colonel Sanders View Post
also when i try stressing the gpu's with kombuster, its only stresses each about 50 % give or take. aren't both suppose to be at 99-100?
Download Furmark instead. Does a much better job stressing the GPU's and will show you what temperatures you should expect to see as maximums, although the chances of ever reaching that would be very slim.
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post #14 of 20
Thread Starter 
Quote:
Originally Posted by ibfreeekout View Post
Download Furmark instead. Does a much better job stressing the GPU's and will show you what temperatures you should expect to see as maximums, although the chances of ever reaching that would be very slim.
isnt kombustor basically furmark?


crysis had the biggest gap in temps, almost 20. this is at fullscreen. sorry for jumping around.
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post #15 of 20
Quote:
Originally Posted by Colonel Sanders View Post
isnt kombustor basically furmark?


crysis had the biggest gap in temps, almost 20. this is at fullscreen. sorry for jumping around.
To be honest I guess I should have stated I've never used Kombustor...However I just ran Furmark for about 3 hours today and my 6870 was running at 95-100% then entire time. Honestly if none of those work you could always install Folding@Home GPU3 and let that run for a bit to see what temperatures you are getting XD
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post #16 of 20
Thread Starter 
yeah, when i ran one card it would stay at a steady 99% or 100% stress level. now that i have two of them set in sli, one is stressing at about 55% and the other is at about 45%. i figured that they would both be at max stress.
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post #17 of 20
If you have a one card spacing in between, it will be a lot better. If you can mount a fan on the side panel, that'll really help you.
post #18 of 20
my mates new build has 470s both cards playing crysis get to around 95-100 dergees
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post #19 of 20
Thread Starter 
anyone have any suggestions for universal liquid gpu blocks? and also ramsinks? i was looking to get the ek water block, but cant seem to find it online to purchase other than the ek website. anyone know of any websites that have it?
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post #20 of 20
Your OP is a bit confusing on which is the top card and which is the bottom card. Overall the card that is the top is usually the hotter one. However if you have multimonitor system the ones that are connected with two monitors will also be hot/hotter one. Thirdly the reason why Gigabyte 470s sometimes artifact is that they don't give them enough juice out of the box sometimes. To fix it just bump up your voltage a bit and it usually goes away after.
    
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