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BFBC2 470GTX in SLi bad scaling? - Page 3

post #21 of 26
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Quote:
Originally Posted by SpeedNuggeT View Post
Q6600.

/thread
Well... From another forum:

Code:
I have notice a rather annoying fact.  With all the recent NVIDIA drivers and 2x GTX470's in SLI, the GPU utilization never normally goes above 45%.  Other games such as ARMAII and Crysis I get 95% plus GPU utilization all the time.  I could understand if running BC2 on all high and I am maxing the frame rate out, but I am not.  The frame rate normally is around 60 to 90 by FRAPS.  Sometimes above 100 if in lite GPU usage scenes, but still GPU usage never goes above 55%.   There has to be something throttling the cards back.  I believe the utilization was higher with older (19x.xx) drivers, but they are less stable with these cards.

Any ideas how I can get more utilization to the GPU's
I have tried all the drivers.  Now using a New Beta driver and it seems to helps some.  Uninstalling the NVIDIA 3D drivers oddly seems to help some. I don't have a 3D monitor.


NVIDIA Driver 259.09 BETA
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post #22 of 26
Is v-sync on?

'Utilization' numbers are pretty meaningless without actual FPS numbers. If you're getting 100% on one card and 60 FPS, and only getting "60%" on 2 but are hitting 110 FPS, then there's nothing wrong with your setup. You really need hard numbers (i.e. with FRAPs) to tell what's going on here.

One of my 460s can max BFBC2. With V-sync on you can't tell much difference.. until some explosions or debris are all around you. The minimum frames are much better with the second card. Turn off SLI and see if you notice more low-FPS "hitches."
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post #23 of 26
Probably the q6600, mine at 3.7 does fine with 1 gtx 460 getting 99% use in bc2, but varies in multiplayer depending on what is going on
    
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post #24 of 26
Smooth as hell for me
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post #25 of 26
I run SLI 460 SLI,SLI is defo kicked in, it is your old processor i5/i7 time .
    
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post #26 of 26
I definitely vouch for CPU bottleneck. Mine bottlenecks my cards in BC2 mp. I believe it has more to do with L3 Cache then anything else. That is why Athlon II X4s/Q's don't do as well with dual GPU setups. The reason I say this is my friend has a Phenom II X2 555 unlocked to a triple core at 3.5ghz and also has two 5830s and he gets the same performance out of his setup as I get out of mine even though I have one more core than him.

It is the CPU.
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