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GPU usage variation with 670 SLI - Page 3

post #21 of 44
I would just say compatability with drivers. The cards are fairly new and will get optimised for SLI fairly soon thumb.gif
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post #22 of 44
PCIE 8x@2.0= 16x@1.0

In SLI some mobo like urs use 8x-8x-4x

but performance decrease in 680 GTX at these width arent bad

http://www.techpowerup.com/reviews/Intel/Ivy_Bridge_PCI-Express_Scaling/23.html

http://forums.anandtech.com/showthread.php?t=2238947
post #23 of 44
Thread Starter 
Quote:
Originally Posted by Arni90 View Post

I haven't seen a single 670 not boosting past 1000MHz at "stock" tongue.gif
Kepler Boost can't be disabled.
No solution is overkill if it can't provide the framerate you're aiming for, 2x 670 for 120Hz monitor is not overkill, but you will need a beast of a CPU to achieve that. A quad-core Sandy Bridge at 6.5-7.0 GHz should be pretty close for most games thumb.gif

Sometimes I got frame drops to 65~70fps and when I check the GPU usage isn't even at 80% for each one headscratch.gif
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post #24 of 44
wait metro last lgiht or crysis 3 to see the difference in performance
post #25 of 44
Thread Starter 
Quote:
Originally Posted by PontiacGTX View Post

PCIE 8x@2.0= 16x@1.0
In SLI some mobo like urs use 8x-8x-4x
but performance decrease in 680 GTX at these width arent bad
http://www.techpowerup.com/reviews/Intel/Ivy_Bridge_PCI-Express_Scaling/23.html
http://forums.anandtech.com/showthread.php?t=2238947

So I would need a new mobo? 3.0 PCIEX to get 99% usage on both cards?
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post #26 of 44
8x-8x is normal in most of the mobo ...which neither too expensive and nor too cheap

did you play metro 2033?
post #27 of 44
Thread Starter 
Quote:
Originally Posted by PontiacGTX View Post

8x-8x is normal in most of the mobo ...which neither too expensive and nor too cheap
did you play metro 2033?

Only the beginning, the GPU usage is a lot higher than in Battlefield 3 and Crysis 2, it keeps at 90~97%
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post #28 of 44
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I would apreciate if someone with 670 or 680 SLI post some screens from BF3 and Crysis 2, with EVGA Precision X at OSD showing usage on both GPUs
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post #29 of 44
Give it time, we have had 1 WHQL. With only the second beta driver we saw big improvements in performance and stability. Just wait for the next WHQL, going to be great.! smile.gif
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post #30 of 44
some games which are new use more gpu than other for example FPS games will use more gpu than game in 3rd person view, this is normal 1080p isnt enough for 670 GTX, in the future when games become more gpu dependent than today`s game in 1080p
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