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how nice of a PHYSX card should I buy - Page 4

post #31 of 36
Quote:
Originally Posted by Blacklac View Post
You realize that actually proves his point, right? a "decent" GPU does benefit as PhysX verse a highend GPU alone. All that video proves is a super old 8600GTS can't cut it.
this.

not "all" cards will perform worse w/ a physx card...it depends on the cards used.

Quote:
Originally Posted by Horsemama1956 View Post
I think PhysX, atleast the variant handled by GPUs, is about dead at this point.
sadly, this is probably true.
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post #32 of 36
You do realize that thread supports the fact that having a dedicated PHYSX card increases performance?
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post #33 of 36
Thread Starter 
Quote:
Originally Posted by Psycho Homer View Post
You do realize that thread supports the fact that having a dedicated PHYSX card increases performance?
yes, we have established that. the faster the GPU you have the faster your physX card will have to be to keep up. Its like two people holding hands and trying to run as fast as they can together. They both can only go as fast as the slowest person.
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post #34 of 36
Quote:
Originally Posted by (mirror)52-D.S.L. View Post
yes, we have established that. the faster the GPU you have the faster your physX card will have to be to keep up. Its like two people holding hands and trying to run as fast as they can together. They both can only go as fast as the slowest person.
Talking to AllLeaf. If you haven't noticed, earlier he was saying a dedicated PHYSX card would decrease performance. When someone asked him for proof he linked to a thread that disagreed with what he wrote earlier.
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post #35 of 36
Quote:
Originally Posted by Psycho Homer View Post
Talking to AllLeaf. If you haven't noticed, earlier he was saying a dedicated PHYSX card would decrease performance. When someone asked him for proof he linked to a thread that disagreed with what he wrote earlier.
At his asking price of $40 for a physX card will decrease performance. You need to have at least a GTX 560ti to have gains in overall performance with PhysX for a dedicated card.
    
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post #36 of 36
SLI 580's with a GTX 470 dedicated to PhysX 81.1 fps

Identical settings
SLI 580's without a dedicated PhysX GPU 53.5 fps


Somebody that can do math break out the calculator and tell me the % gain. The equation is you need the right GPU as a dedicated Physx card and obviously a PhysX enabled game. Under powered will have negative results.[/quote]

Again, that Phsyx card can't be too slow. The pairing is the mystery, in this benchmark paired with GTX 580 the GTX 470 was a 25% improvement.
     
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