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PhysX card

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July 22, 2012 10:46:11 PM

I have 2 EVGA GTX580's and an i7 2600k. Would a PhysX card help my setup?

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a c 607 U Graphics card
July 22, 2012 11:01:04 PM

It might, but it's highly NOT recommended with a GTX 580 SLI setup. You have much more than enough power to run any and all GPU accelerated PhysX games with full PhysX effects enabled.
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July 22, 2012 11:02:02 PM

Nope. Really it wouldn't do much at all i think.
And you'd probably end up with driver issues in the future.
Just let one of the GTX cards do the physics work.
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a b U Graphics card
July 22, 2012 11:03:15 PM

Most of games are not made to get use of a PhysX cards, they don't make much difference anyway, Its a separate card that handles the games physics. the only problem is the game has to be made to use a physx card, and most are not....having 2 580's and thinking about a PhysX card ? C'mon :) 
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a c 607 U Graphics card
July 22, 2012 11:15:42 PM

username-taken said:
Nope. Really it wouldn't do much at all i think.
And you'd probably end up with driver issues in the future.
Just let one of the GTX cards do the physics work.

Adding a dedicated PhysX card can increase performance in GPU accelerated PhysX games by about 25% when a decent PhysX card is used. You would not use one of the GTX 580's as only a PhysX card. You would run both in SLI and have both do the PhysX calculations in addition to the graphics processing.

merandos said:
Most of games are not made to get use of a PhysX cards, they don't make much difference anyway, Its a separate card that handles the games physics. the only problem is the game has to be made to use a physx card, and most are not....having 2 580's and thinking about a PhysX card ? C'mon :) 

GPU accelerated PhysX games can use any GPU PhysX processor, whether that's the one single Nvidia card doing both graphics and PhysX; or one doing graphics alongside one dedicated to PhysX. So games have to be made to use GPU accelerated PhysX, but they do not need to "be made to use a physx card".

Batman: Arkham City s a good example of a GPU accelerted PhysX game that could benefit from a dedicated PhysX card, maybe even in an overkill situation like GTX 580's in SLI, but like I said, it's highly not recommended. The reason is that the dedicated card will use up power, even when not playing Batman, and add additional heat. You would also need a powerful, expensive mid-level or above 400 or 500 series card to get the performance benefit. All the same, the 580's in SLI should be more than enough to handle the performance impact of enabling maximum PhysX anyway.
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a b U Graphics card
July 22, 2012 11:30:05 PM

17seconds said:
Adding a dedicated PhysX card can increase performance in GPU accelerated PhysX games by about 25% when a decent PhysX card is used. You would not use one of the GTX 580's as only a PhysX card. You would run both in SLI and have both do the PhysX calculations in addition to the graphics processing.


GPU accelerated PhysX games can use any GPU PhysX processor, whether that's the one single Nvidia card doing both graphics and PhysX; or one doing graphics alongside one dedicated to PhysX. So games have to be made to use GPU accelerated PhysX, but they do not need to "be made to use a physx card".

Batman: Arkham City s a good example of a GPU accelerted PhysX game that could benefit from a dedicated PhysX card, maybe even in an overkill situation like GTX 580's in SLI, but like I said, it's highly not recommended. The reason is that the dedicated card will use up power, even when not playing Batman, and add additional heat. You would also need a powerful, expensive mid-level or above 400 or 500 series card to get the performance benefit. All the same, the 580's in SLI should be more than enough to handle the performance impact of enabling maximum PhysX anyway.


Well, that's the point anyway.......2 of the gtx 580 is more than enough....
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a c 607 U Graphics card
July 22, 2012 11:46:47 PM

merandos said:
Well, that's the point anyway.......2 of the gtx 580 is more than enough....

Totally. One is enough actually.
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July 22, 2012 11:56:21 PM

Just had to ask :)  I want to get all the performance I can out of this system. Already got half of my watercooling parts on the way. Thanks for the answers.
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July 22, 2012 11:57:59 PM

Best answer selected by barthalamoo.
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