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Can I run two different gpus in sli?

post #1 of 16
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I was thinking about adding a 9600gt to my motherboard and just wanted to know how that will work out? Will I see a slight performance boost and will the drivers work properly with two different cards installed? Also will my power supply be able able to support that? Sorry not that big of a computer whiz :/
Edited by XxRZxX - 2/4/11 at 2:07am
    
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post #2 of 16
i dont think sli would work, but im only guessing on that...
what u could do with that card is physx^^
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post #3 of 16
You could only use it as dedicated PhysX card - not an SLI, but it will work in games demanding PhysX.
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post #4 of 16
No you can't sli them.

Yes your psu should be able to handle two cards (gtx 460 x2 for sli).
    
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post #5 of 16
Thread Starter 
Quote:
Originally Posted by nOxin View Post
i dont think sli would work, but im only guessing on that...
what u could do with that card is physx^^
Like what do you mean though? lol sorry..
    
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post #6 of 16
Thread Starter 
Oh nevermind I get it thanks.
    
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post #7 of 16
You can use the 9600GT as a dedicated physx card but you wont be able to SLI them...
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post #8 of 16
No you cannot SLi those cards, and you will not see a performance boost if you use it at as a PhysX. The 9600GT is a lot slower than the GTX460 and it will have to wait for it to process the PhysX. Slowing everything down. You could use it as folding, that's about it.
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post #9 of 16
Quote:
Originally Posted by derickwm View Post
No you cannot SLi those cards, and you will not see a performance boost if you use it at as a PhysX. The 9600GT is a lot slower than the GTX460 and it will have to wait for it to process the PhysX. Slowing everything down. You could use it as folding, that's about it.
I strongly doubt that. If the GTX460 was under considerable load, and the physics calculations got handed to the 9600GT to process, it would take stress off the GTX460. The whole point of the PhysX concept is to take load off the main card.
post #10 of 16
This is well documented so in short.

No SLI will only work with the same GPU family and Memory Bus Config.

eg -
GTX460 1Gb (256Bit) and GTX460 1Gb (256Bit) - OK,
GTX460 1Gb and 9600GT - Not OK,
GTX460 1Gb (256bit) and GTX460 768Mb (192bit) - Not OK

You can use the 9600GT as a physx card but this will only gain 5 - 10 FPS at the most when playing Physx enabled games (Such as Metro 2033 or UT3)

To enable the card as physx, install it in the spare PCI-E slot on your PC and enter the Nvidia Control Panel then set the card to physx under the Manage 3D settings menu.

The driver will be no problem if you have a GTX460 installed teh 9600GT will be recognised fine.

Your PSU will be fine with the current set up + 9600GT. (it takes about 75W for the 9600GT)

I emphasise SLI only works with the same family GPU chip and memory bus config. And Physx cards only improve games with Physx in them. if you play non physx games you will not gain anything.

Good Luck though
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