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benefit from physx?

post #1 of 16
Thread Starter 
I currently have a quad-crossfire setup (a 5970 and 2 5850's). I understand there is not a huge benefit from this setup over a dual or triple gpu setup. why quad crossfire? i have the hardware, why not use it. even in 3dmark vantage I only see a 2000 point difference between 3 and 4 gpu's. my question is, would i be better off to pull one of my 5850s and add an nvidia card for physx processing? if so, what card would be recommended? (i would like to keep my options under $150 if possible)
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HAL
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post #2 of 16
Not worth it, trust me. Its a very small visual perk that you otherwise wouldnt even care about if you didnt know that it was offered. Its only an option on ~20 games and the ones that really use it look fine with it off.

I will be removing my card very soon to run trifire or quadfire when the 7xxx series is launched.
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post #3 of 16
It looks amazing and adds a visual flare to the game. Really depends if you care about graphics. But you will hear nvidia guys more say it is cool and here ATI guys more say it isn't. Go look up comparison videos.
post #4 of 16
Thread Starter 
thanks. sounds like i should put the cash in my bulldozer/7xxx fund. thanks for the advice.
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HAL
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post #5 of 16
Definitely useless in our resolution. With eyefinity, you may see some worthy benifit.

Only add the nVidia card if you are playing the supported games. 99% of the time, the PhysX card idles in my experience.
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post #6 of 16
Physx? No, not worth it.
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post #7 of 16
i was using a GTX 260 for physx a while ago.
imo it was a waste of time, i only did it so i could play mafia 2
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post #8 of 16
I find a lot of the Physics engines in games other than PhysX are either very limited in application or don't look all that great. PhysX is fairly comprehensive and does look good... is it worth it? I would recommend looking at videos of it on and off and deciding for yourself.
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post #9 of 16
PhysX in Mafia 2 is definitely worth it, really ads a lot of depth to the graphics.

I also played Mirror's Edge, Batman Arkham Asylum and Metro 2033 with PhysX On. There are minor differences, nothing groundbreaking though.

PhysX is definitely among the reasons someone should buy a Nvidia card but in most games it doesn't reach Havok or Euphoria level of realism.

Hopefully we'll see more games like Mafia 2 in the future. My recommendation is to find a cheap $80 or so 8800 GT or GTS and use it for this purpose.
post #10 of 16
There have been side-by-side, frame-by-frame comparisons of various explosions and what not in Mafia 2 with and without Physx.
The difference could hardly be considered amazing, considering the performance hit.
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