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Proper PhysX card for...

post #1 of 43
Thread Starter 
My next build is going to consist of 2 HD 6990's (7990's if they release, and release before June of next year). And am curious. Will I be able to have an Nvidia card for PhysX with AMD GPU's? And if so, what would be a proper GPU for the 4 others?
post #2 of 43
Quote:
Originally Posted by Paratrooper1n0 View Post
My next build is going to consist of 2 HD 6990's (7990's if they release, and release before June of next year). And am curious. Will I be able to have an Nvidia card for PhysX with AMD GPU's? And if so, what would be a proper GPU for the 4 others?
Yes, that's what I am having in my system. With Quadfire, the minimum I would go is GTX465, better still 580.

Quote:
Originally Posted by Ken1649 View Post
Source: GenL




You can overwrite the existing driver/PhysX SS without uninstall.

1. Install Forceware 285.xx (do not restart).

2. Install PhysX SS 9.11.0621 Download Link (do not restart).

3. Run the 1.055ff Patch Download Link (restart PC).

Done.

...
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post #3 of 43
a GTX 460 1GB. Thats all you need with those bad boys.
post #4 of 43
Thread Starter 
Thank you both for the intel. + rep. I think I will go with a GTX 560 (non TI) as by the time I get the parts, GTX 460's may be out.
post #5 of 43
Get one second hand from OCN. should cost you just around $100. GTX560 = GTX460 so that's is a waste. imo, instead get the 560Ti
post #6 of 43
WOW, you guys are going totally overboard here with physx cards. You don't need anything nearly that powerful. It doesn't matter if you have a high end gpu or crossfire as far as physx goes - there will be the same amount of physx processing going on regardless of what is rendering your frames.
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post #7 of 43
Quote:
Originally Posted by Zero4549 View Post
WOW, you guys are going totally overboard here with physx cards. You don't need anything nearly that powerful. It doesn't matter if you have a high end gpu or crossfire as far as physx goes - there will be the same amount of physx processing going on regardless of what is rendering your frames.
No I think you got it a bit off.

Rule of Thumb: The Faster Primary Graphics Card You Have The MOAR powerful / faster Physx Card you need, otherwise the Physx card will hinder your overall performance from the primary cards. there will not be the same amount of physx processing going on.

Example on my GTX460SLi setup I had a GTX260 to Run Physx. But if you are running anything in the likes of 2x 580's in SLi then you need a 460 to keep up with them. Trust me, I am speaking from Experience.
post #8 of 43
Quote:
Originally Posted by TheBirdman74 View Post
No I think you got it a bit off.

Rule of Thumb: The Faster Primary Graphics Card You Have The MOAR powerful / faster Physx Card you need, otherwise the Physx card will hinder your overall performance from the primary cards. there will not be the same amount of physx processing going on.

Example on my GTX460SLi setup I had a GTX260 to Run Physx. But if you are running anything in the likes of 2x 580's in SLi then you need a 460 minimum. Trust me, I am speaking from Experience.
No, it's not. You're coming up with nonsense. He's completely right, PhysX is seperated from graphics. PhysX is a processing cycles of trajectories of debris, smoke and such. Offloading calculation improves performance regardless of the power relationship between cards. Analyze this chart.

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post #9 of 43
Galaxy make a Single slot GTX 460 Razor! Perfect for Physx

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post #10 of 43
Quote:
Originally Posted by Johnny Doe View Post
No, it's not. You're coming up with nonsense. He's completely right, PhysX is seperated from graphics. PhysX is a processing cycles of trajectories of debris, smoke and such. Offloading calculation improves performance regardless of the power relationship between cards. Analyze this chart.





Nope, I think you aren't making sense of what I said. Of course PhysX is seperated from graphics, I know what Physx is and I think your whole point of the discussion was nonsense.

What I said was The Faster your Primary GPU the faster Physx Card you need to keep up with it. Would you use a GT8600 with two GTX580's in SLI? No that would actually hinder your 580's. It would be better to let the 580s do physx instead and that would yeld better results, why do you think? Its been proven, go ask around the community or do a little research next time before you open your mouth without understanding half of the argument.
Edited by TheBirdman74 - 10/31/11 at 7:45pm
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