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Can I run two different gpus in sli? - Page 2

post #11 of 16
Regarding SLI exceptions, there are very few cards which support it. Most of them are simply rebrands of previous generation cards. I can't remember them off the top of the head, but a thread on the NVIDIA SLI FAQ gives a list of the cards which can do it.

5-10 FPS is also a decent increase if you think about it... It's always more than you had
post #12 of 16
Wrong wrong and wrong!

You have to have the same GPU, period to run SLI. Memory size, or the memory bandwidth does NOT matter. The amount of CUDA cores does NOT matter. The only thing that matters is that both cards have the same core.

GTX260 c192 + GTX260 x216 work fine in SLI. They are both GTX260's.
GTX460 768MB + GTX460 1GB work fine in SLI. They are both GTX460's.

Is this the best way to do SLI? No. You will be limited by the slower of the two cards, period. It's always best to go dual GPU with the same EXACT cards. But you don't have to as seen above.

To answer the OP's other question:

Yes, you can run two GPU's with EASE off your current PSU. You could even add your 9600GT in there with ease. It won't add to your framerate, but you could use it as a PhysX card (as stated). And yes, it WILL help as a PhysX card, if you play PhysX games. Look at my sig rig. Your 9600GT is about the same as my GT240. And I saw a decent improvement in smoothness after putting the 240 in on PhysX games.
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post #13 of 16
Quote:
Originally Posted by LiFTed View Post
Regarding SLI exceptions, there are very few cards which support it. Most of them are simply rebrands of previous generation cards. I can't remember them off the top of the head, but a thread on the NVIDIA SLI FAQ gives a list of the cards which can do it.

5-10 FPS is also a decent increase if you think about it... It's always more than you had
the G92 Series (8800 9800 and GTS250) could be sli'd.

5-10 FPS is more but only in Physx games which are few and far between!
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post #14 of 16
Pfft, ignore all the haters. Yes, it will work.

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post #15 of 16
Quote:
Originally Posted by pioneerisloud View Post
Wrong wrong and wrong!

You have to have the same GPU, period to run SLI. Memory size, or the memory bandwidth does NOT matter. The amount of CUDA cores does NOT matter. The only thing that matters is that both cards have the same core.

GTX260 c192 + GTX260 x216 work fine in SLI. They are both GTX260's.
GTX460 768MB + GTX460 1GB work fine in SLI. They are both GTX460's.

Is this the best way to do SLI? No. You will be limited by the slower of the two cards, period. It's always best to go dual GPU with the same EXACT cards. But you don't have to as seen above.

To answer the OP's other question:

Yes, you can run two GPU's with EASE off your current PSU. You could even add your 9600GT in there with ease. It won't add to your framerate, but you could use it as a PhysX card (as stated). And yes, it WILL help as a PhysX card, if you play PhysX games. Look at my sig rig. Your 9600GT is about the same as my GT240. And I saw a decent improvement in smoothness after putting the 240 in on PhysX games.
Who exactly? I know what I read.
post #16 of 16
Quote:
Originally Posted by pioneerisloud View Post
Wrong wrong and wrong!

You have to have the same GPU, period to run SLI. Memory size, or the memory bandwidth does NOT matter. The amount of CUDA cores does NOT matter. The only thing that matters is that both cards have the same core.

GTX260 c192 + GTX260 x216 work fine in SLI. They are both GTX260's.
GTX460 768MB + GTX460 1GB work fine in SLI. They are both GTX460's.

Is this the best way to do SLI? No. You will be limited by the slower of the two cards, period. It's always best to go dual GPU with the same EXACT cards. But you don't have to as seen above.
I really am sorry to disagree with you Pioneer but mixing GTX460 768Mb and 1Gb is not officially supported by Nvidia. You will have to mod the drivers to get it to work, I dont think they have officially supported mixed memory SLI since series 8.

EDIT - SLI FAQ about memory - http://www.slizone.com/page/slizone_faq.html#c19
Edited by Mitche01 - 2/4/11 at 3:16am
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