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Lowest nvidia card to use as physx card? - Page 4

post #31 of 64
I must be mistaken, I dont seem to be able to find it
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Obsidian lol
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post #32 of 64
the lowest possible?

8300GS
post #33 of 64
Quote:
Originally Posted by Aussie View Post
I must be mistaken, I dont seem to be able to find it
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RIGIE
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post #34 of 64
The lowest feasible physx car would be a GTS 250 or even GTX 260.
    
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post #35 of 64
Quote:
Originally Posted by Sir Overkill View Post
Yep thats exactly what i was looking for thanks mate.

Hope that clears thing up for some people. when pairing a dedicated physix card with a 580 a 8600 and expect 8800 and 9600 wont cut it youll lose fps.
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Obsidian lol
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post #36 of 64
Quote:
Originally Posted by Aussie View Post
There was a post just a couple of days ago wish i could find it. That showed i low end dedicated physics card actually reduced fps when compared to letting a single 580 process the physics itself. ill look and see if i can find it again.
That *could* happen, depending on the particular test (and the IQ settings) you use for your testing purposes.

If you look at something like Fluidmark, where the rendering load is exceptionally easy, a 580 alone doing both render+physX is likely to score higher than a 580 (rendering) + 8800GT (physX). If so, it would be because the 580 has almost nothing else to do aside from process the physX, and it is, of course, a considerably faster card than an 8800GT.

However, once you give the rendering card a copious amount of work to do (such as I did by running Mafia 2 and Batman AA completely maxed out), you increase the probability that a dedicated card will be of benefit ... and it should be fairly obvious why that would be the case
Edited by brettjv - 5/26/11 at 1:46pm
    
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post #37 of 64
Quote:
Originally Posted by brettjv View Post
That *could* happen, depending on the particular test (and the IQ settings) you use for your testing purposes.

If you look at something like Fluidmark, where the rendering load is exceptionally easy, a 580 alone doing both render+physX is likely to score higher than a 580 (rendering) + 8800GT (physX). If so, it would be because the 580 has almost nothing else to do aside from process the physX, and it is, of course, a considerably faster card than an 8800GT.

However, once you give the rendering card a copious amount of work to do (such as I did by running Mafia 2 and Batman AA completely maxed out), you increase the probability that a dedicated card will be of benefit ... and it should be fairly obvious why that would be the case

I though he used mafia 2 as the benchmark for his testing?
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post #38 of 64
I just tried to do a test with my 460 as a dedicated card then just the 580 but even after disabling it the Nvidia control panel my 460 still went to 50% usage on the 580 only test - any suggestions?

Edit: Im referring to Fluidmark
Edited by tats - 5/26/11 at 2:53pm
post #39 of 64
I tried both a 9600gt and a gts 250, and both gave me a nice boost in Mafia II and oither gpu physx games. I posted benchmark results in this forum somewhere....
post #40 of 64
I think its 96 stream processor or more, or the attempted physics card will slow down the modern cards because they will be waiting for the dumb slow old card. The 8800/9800gt are the Minimum.
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