GPU as a PPU?

[Arctucas]

I was checking out the Aegia Physx cards (which alot of people think are a waste), and I came across mention of using a third graphic card a physics accelerator. Is nVidia doing anything like that?
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[Mike]

That's what people are saying, though nothing has been officially announced. ATi has definitely hinted at doing precisely that, and nVidia has the second SLi connector on the 8800GTX for 'future use'. So I think we can definitely expect to see video cards doing physics in the not too distant future.

[bikerdude]

[QUOTE=Mike]That's what people are saying, though nothing has been officially announced. ATi has definitely hinted at doing precisely that, and nVidia has the second SLi connector on the 8800GTX for 'future use'. So I think we can definitely expect to see video cards doing physics in the not too distant future.[/QUOT

hmmm, ah but will they let an older nvidia card function as a ppu..? eg a 7900GT coupled with a 8800GTX

biker

[keymaster]

what about Nvidia's Quad GPU...what does that do...the performance is pretty good...

[Arctucas]

I ask because I'm building a new rig, and looking to the future, my intent would be to buy one 8800GTX now and probably a pair of 9xxx cards for SLI later. I would then want use the 8800 as a PPU if possible.

Does that sound reasonable?
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[Radiator]

You can do physics with shaders , so yeah the 8800 s can do physics processing . Ageia's PhysX is useless , because almost no games support it .