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post #161 of 269
Hey, I got a question that is often aksed around - How do I know if PhysX works?
I played UT3 with ATi card, and now with Nvidia - it looks identical. How to know that PhysX no longer runs on the CPU? (Can't test with Vantage, the free version comes with disabled PhysX)
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post #162 of 269
you could use kombustor. Extreme Benchmarking that one where you can submit online. It will indicate if the physx is processed by CPU/GPU and the score.

Or you could just go to Nvidia Control Panel, Physx settings. You can specify there if CPU, or the GPU.
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post #163 of 269
An epic pro to Nvidia. Me loving physics. Nvidia is awesome! Can't wait to get my GTX 580 and use Physx for freaking awesome physics!
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post #164 of 269
Here is a website where it actually lists the amount/detail of physx in each of the support games:

PhysXinfo.com

You could add this to the OP.
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post #165 of 269
I have a question and forgive me if it has already been asked (at least I am within this post ). I am awaiting my additional GTX 560 for SLI. This is my first time doing SLI and don't know all that much about it. Is PhysX basically SLI or are they two different things? I know I have read some post who say they are getting another card for PhysX but I don't know if they are referring to SLI when they say that? Hope my questions makes since and I don't look to dumb lol.
    
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post #166 of 269
Quote:
Originally Posted by gabead View Post
I have a question and forgive me if it has already been asked (at least I am within this post ). I am awaiting my additional GTX 560 for SLI. This is my first time doing SLI and don't know all that much about it. Is PhysX basically SLI or are they two different things? I know I have read some post who say they are getting another card for PhysX but I don't know if they are referring to SLI when they say that? Hope my questions makes since and I don't look to dumb lol.
No, it doesn't make sense, sorry

All Nvidia GPUs of the past 5 years have PhysX, even without SLi.

PhysX is the ability to simulate realistic object collisions, gravity and liquids in games.

SLi is the ability of two cards to work together.

You can have each without the other, and both together, which is the best option. (you have both, congrats )
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post #167 of 269
Quote:
Originally Posted by ronnin426850 View Post
No, it doesn't make sense, sorry

All Nvidia GPUs of the past 5 years have PhysX, even without SLi.

PhysX is the ability to simulate realistic object collisions, gravity and liquids in games.

SLi is the ability of two cards to work together.

You can have each without the other, and both together, which is the best option. (you have both, congrats )
Ok, I saw in my settings (at work right now) that you can choose either the cpu or gpu to do the Physx, which would you choose for a single card? If you are running SLI do you want the additonal card to the physX or leave it up to the CPU? ( I am assuming you want the GPU to do it just want to be sure).
Edited by gabead - 10/14/11 at 7:22am
    
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post #168 of 269
Quote:
Originally Posted by gabead View Post
Ok, I saw in my settings (at work right now) that you can choose either the cpu or gpu to do the Physx, which would you choose for a single card? If you are running SLI do you want the additonal card to the physX or leave it up to the CPU? ( I am assuming you want the GPU to do it just want to be sure).
you never want the CPU to do PhysX, ever. Single card or not, it's always faster off the GPU.

If you have 2 GPUs, one of which is fast (GTX580) and the other - slower (GTX550), you want the slower to do PhysX.

If you have 2 identical cards, you want them both to do PhysX.

Also, pay attention to the mobo PCI-e slots. 16x-4x is good for dedicated PhysX (the first case), 8x-8x is good for SLi (the second case).
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post #169 of 269
Quote:
Originally Posted by ronnin426850 View Post
you never want the CPU to do PhysX, ever. Single card or not, it's always faster off the GPU.

If you have 2 GPUs, one of which is fast (GTX580) and the other - slower (GTX550), you want the slower to do PhysX.

If you have 2 identical cards, you want them both to do PhysX.

Also, pay attention to the mobo PCI-e slots. 16x-4x is good for dedicated PhysX (the first case), 8x-8x is good for SLi (the second case).
Thanks for the reply! The other card should come in 2morrow. Ill hit ya up if I have any problems. Thanks for the help.
    
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post #170 of 269
i just got a msi gtx580 3gb lightning extreme edition...
i have a zotac 9600gt

is it worth even using it for physx
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