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Is "Gtx560 Ti + 9600GT as physx" worth it ??? - Page 5  

Poll Results: Shall I go ahead and use the 9600gt as PhysX?

 
  • 8% (5)
    YES, definitely. performance will improve quite a bit.
  • 54% (31)
    Nope, totally useless idea.
  • 36% (21)
    Yeah sure, very little increase in fps though.
57 Total Votes  
post #41 of 45
Quote:
Originally Posted by olly230 View Post
in short - 9600gt gave me 4fps more in the MAFIA benchmark.
So basically, you have to decide whether that extra 4fps is worth the additional 125W of TDP. :/

I've got a 560 Ti on it's way that will be replacing my 8800 GTS 640MB (G80). I'm interested to see how the G80 fares as a Physx card. It's got 96 stream/shader processors, but hopefully the 320-bit memory bus will count for something.
post #42 of 45
Quote:
Originally Posted by Quasimojo View Post
So basically, you have to decide whether that extra 4fps is worth the additional 125W of TDP. :/

I've got a 560 Ti on it's way that will be replacing my 8800 GTS 640MB (G80). I'm interested to see how the G80 fares as a Physx card. It's got 96 stream/shader processors, but hopefully the 320-bit memory bus will count for something.
It will never pull 125W because it's only occasionally processing PhysX. I don't know the exact numbers, but the power draw when a card is only processing PhysX is very low.
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post #43 of 45
Quote:
Originally Posted by TwoCables View Post
It will never pull 125W because it's only occasionally processing PhysX. I don't know the exact numbers, but the power draw when a card is only processing PhysX is very low.
That makes sense. Good to know. My 8800 can heat my office quite effectively. I keep the furnace vent closed all through the winter.
post #44 of 45
I have a spare GTX 260. Would it be good to use it as dedicated physx with the GTX 580? I'm with two cables, also think it'd bottleneck it...would love to hear otherwise, tough!

And no, i can't test it up because this mobo is crap, would have to go all over my brothers house and get his...yea, i'm too lazy to do it
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post #45 of 45
Quote:
Originally Posted by leopold1985 View Post
here you go, this time I have used the exact same setting as yours. the score has dropped as expected but still well over 50.



Fluidmark benchmark is non-illustrative in terms of the question at hand.

There's virtually no rendering load in Fluidmark, unlike the situation with actual games. The main card basically has nothing else to do besides physX, so it'll score much better alone than it will with a less powerful dedicated card. Literally, ALL you're comparing when you look at Fluidmark in this way is: 'which of these two is a better physX card'?

Games are different, esp. if you crank the settings and give your main card a lot of 'other work' to do beside physX.

I wouldn't go out and buy a physX card, but if you have one laying around it's worth throwing in ... in actual games, a 560ti for rendering + dedicated 9600gt for physX will usually perform better than a 560ti doing both ... but again it does depend somewhat on how hard to run you make the game via the settings.

Mafia 2 is the best example because having a dedicated physX card is the only way to force the GPU to handle cloth physX instead of the CPU.

If you do searches on this site for 'brettjv physx' you'll see lots threads w/charts and graphs I've done re: this subject.

EDIT: Ooops ... this was a necro-bump. I'm locking this thread ...
Edited by brettjv - 9/27/11 at 5:08pm
    
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