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gtx 580+8800 for physx?

post #1 of 14
Thread Starter 
is the above combinatin posible? ...can a gtx 580 work with a 8800 togheter.?
i have gtx 580 gigabyte and a 8800 palit and i would like to use them toghether ..the 8800 for physx:)
post #2 of 14
Yes. All 8-series and above can accelerate PhysX thumb.gif
post #3 of 14
Thread Starter 
Thank you!.....do you know the exact steps to do that.. i mean do i have to instal any specific driver for the 8800 ..or just put it into the pci exp slot and that is all?
post #4 of 14
the 580 should be enough to process the physx. the 8800 may bring the performance down due to it being much slower.
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post #5 of 14
I actually experienced this running an 8800gts as a physx card alongside 2 gtx 570s in sli. I was a little surprised. But yeah in that case more did not equal better.

As far as anything special no just install the nvidia drivers that card calls for like any other and in the nvidia control panel you can select it as a physx card. Run some benchs and see where it falls. But my guess is that it may hurt you slightly.
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post #6 of 14
What games can't you run with PhysX enabled on your gtx580? But yeah, as others have stated, just install it, and then enable it as a physx card in the NV control panel. I did a test with my gtx580 and a gt240 I have as a backup GPU, and it actually was worse with the gt240 than the 580 by itself. I don't know how good a 8800GTS is, but I would assume since it was a higher end card at one point, it should be fast enough to keep up with your gtx580. Only one way to find out wink.gif
post #7 of 14
Yea I have an 8800gtx that I was running with my gtx580 for physx for a bit. It didn't improve performance at all. Didn't make it worse, but didnt make it any better either. I ended up giving the 8800gtx to my mom.

Funny that she is using a card I once spent $650 on to play facebook games lol.
post #8 of 14
A card dedicated to physx can increase performance on the limited number of games that support it. That said, the 8800 is very dated and in most cases will be no better (and probably worse) than just letting your CPU or current GPU handle it along with everything else. You would want something in the GTX200 series or newer to take advantage of an increase in performance. Is that increase worth the extra power consumption, probably not. You will likely only notice an increase in your 3dmark score, rather than actual game performance.

Remember, Physx isn't supported in a ton of games.
 
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post #9 of 14
Quote:
Originally Posted by Angrybutcher View Post

Remember, Physx isn't supported in a ton of games.

That is semi-correct, a lot of games support Physx, but not a lot of them support GPU accelerated PhysX. wink.gif Actually only 17 currently do, here is the list.
post #10 of 14
Quote:
Originally Posted by Angrybutcher View Post

A card dedicated to physx can increase performance on the limited number of games that support it. That said, the 8800 is very dated and in most cases will be no better (and probably worse) than just letting your CPU or current GPU handle it along with everything else. You would want something in the GTX200 series or newer to take advantage of an increase in performance. Is that increase worth the extra power consumption, probably not. You will likely only notice an increase in your 3dmark score, rather than actual game performance.
Remember, Physx isn't supported in a ton of games.

This

It'll just use more power.
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