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PhysX question.

post #1 of 14
Thread Starter 
Is there actually a "Visual Difference" between GPU PhysX and CPU PhysX?
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post #2 of 14
Quote:
Originally Posted by tconroy135 View Post
Is there actually a "Visual Difference" between GPU PhysX and CPU PhysX?
You mean in terms of framerate results in the same game or what?
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post #3 of 14
In games that support Physx, you will see a framerate increase, but not an image quality increase.
post #4 of 14
the game can tell both the cpu and the gpu to render a physics animation, but the gpu will do it faster.

in other words, there is no visible difference other than a dip in frame rates...
post #5 of 14
Visually, no

Framerate wise, yes; if its hardware accelerated and you have a dedicated card, framerates will be better.
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post #6 of 14
Thread Starter 
Quote:
Originally Posted by CovertCover View Post
Visually, no

Framerate wise, yes; if its hardware accelerated and you have a dedicated card, framerates will be better.
Will PhysX run off of its own independent thread on the CPU?
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post #7 of 14
Quote:
Originally Posted by kiwiasian View Post
the game can tell both the cpu and the gpu to render a physics animation, but the gpu will do it faster.

in other words, there is no visible difference other than a dip in frame rates...
Framerate dip is about the only symptom. NOTE-that unless you're playing one of the 16 or so titles on this page:

http://physxinfo.com/data/vreview.html

Then there's no point in having a dedicated Physx GPU...odds are of those titles you've only heard of 3 or maybe 4. Those 16 titles are the only ones that can do GPU-based Physx. There are hundreds of titles that do CPU-based Physx, but only a little over a dozen titles that do GPU.
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post #8 of 14
Visually you will see no difference unless your framerates are drastically higher with a different method of physx.
    
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post #9 of 14
Thread Starter 
I am gonna do some testing and see if there are any diferences. I cannot dedicate a physx only card of course because I only have 2580s and no 3rd card.
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post #10 of 14
Thread Starter 
The real reason I ask is because in Metro2033 they call it "Advanced PhysX" so I thought their might be a visual diference.
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