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ATI-PhysX Question

post #1 of 9
Thread Starter 
Okay so i got sapphire radeon hd6970

my rig is good, i dint overclock the cpu yet though.

Well i have a question here ive been running some games with PhysX and i know its Nvidea thing and they enforce it on the games developed under Nvidea tech and etc. However im running single ati card now before i had an nvidea card and finished all the games that used the physx on it, now ive got Mafia II and indoors combat lags horribly with physx turned on even on medium
Is there any work around to use physx with ati cards and not have 10 fps ?
Also is it worth it to buy second 6970? or should i just wait until new high end card comes out from AMD ?
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post #2 of 9
no way unless you take an nvdia card for physx
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post #3 of 9
you will have to have a nvidia card. I use a 9800 GTX+ to do physics on mafia II or metro 2033. Honestly though, I barely perceive the difference outside of the mafia II benchmark. So, not worth it imo. I am buying another 6950 to cross-fire and I will toss the 9800 GTX+ in another rig.
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post #4 of 9
Thread Starter 
hmm i see ! thanks for reply's im waiting for uvs and leds to be delivered as soon as i get em i will post pics of my rig
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post #5 of 9
ATI doesnt have Physx at all so I would say dot turn on Physx while gaming just because your going to screw up your FPS. I think its stupid that ATI doesnt have Physx to be honest
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post #6 of 9
Quote:
Originally Posted by 4LC4PON3 View Post
ATI doesnt have Physx at all so I would say dot turn on Physx while gaming just because your going to screw up your FPS. I think its stupid that ATI doesnt have Physx to be honest
they're too lazy to make a physx by themselves, if not they should buy ageia that is bought by nvidia
    
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post #7 of 9
do some of this
http://physxinfo.com/news/3628/mafia...x-performance/

in mafia2 your cpu does a lot of physics work, so higher cpu clock better performance

i tried oveclocking my gpu as and cpu and testing vs stock
ocing gpu gave roughly 3 frames up
ocing cpu gave rougly 5 frames up
i don't remember how much frames exxactly it went up so those are about numbers, and also it was measured in ingame benchmark and that is pretty heavy with physics, so i guess in game it would give more of an increase
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post #8 of 9
Thanks for that link. very helpful
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post #9 of 9
Quote:
Originally Posted by 4LC4PON3 View Post
ATI doesnt have Physx at all so I would say dot turn on Physx while gaming just because your going to screw up your FPS. I think its stupid that ATI doesnt have Physx to be honest
Quote:
Originally Posted by metroid112 View Post
they're too lazy to make a physx by themselves, if not they should buy ageia that is bought by nvidia
Read up on Havok, before you call AMD stupid, because it's nVidia who are stupid. Compare the list of Havok games with Physx and you'll see Havok beats Physx easily, due to its optimisation for CPU's and wide usage.

Physx games
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