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Questions About PhysX and CUDA

post #1 of 13
Thread Starter 
Hello guys. I've got a couple questions for you guys about Nvidia GPU's. I currently have 2 Radeon 7950's. However, I want something for PhysX, just in case I play a game that uses it, such as Boarderlands 2. I've heard that there are hacks to allow you to have a dedicated PhysX card, and AMD primary GPU's. However, I can't find a simple method, so can you guys link me to a guide to doing that?

I plan on getting something like a GTX 560ti 448 core, or even higher end. As I am aware, that is way overboard for any PhysX application. So, what else will I be doing on this card? GPU acceleration, for faster picture and video rendering in Sony Vegas, or the Adobe design suite. So, I'm wondering at what point it gets pointless, and doesn't show any speed gains? I'm looking at an EVGA GTX 560ti 448 Classified Ultra, but I am also liking the EVGA GTX 580 3gb card. The 580 can be found for pretty darn cheap on eBay, making it a viable option. So, my main question is will the 580 speed up renders any more than a 560ti 448?
post #2 of 13
There's a guide on here somewhere, give me a minute & I'll see if I can find it.

Edit: Try this http://www.overclock.net/t/508305/howto-ati-nvidia-physx-guide
Edit: And another: http://www.overclock.net/t/591872/how-to-run-physx-in-windows-7-with-ati-cards
Edited by ChrisN - 10/2/12 at 4:22pm
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post #3 of 13
Thread Starter 
Quote:
Originally Posted by ChrisN View Post

There's a guide on here somewhere, give me a minute & I'll see if I can find it.
Edit: Try this http://www.overclock.net/t/508305/howto-ati-nvidia-physx-guide
Edit: And another: http://www.overclock.net/t/591872/how-to-run-physx-in-windows-7-with-ati-cards
Thanks for those. I will check them out in more detail when I actually get an Nvidia card.

My other question is how much is too much? I konw PhysX isn't too demanding... but at what point does GPU acceleration stop scaling? In other words, will a GTX 580 render in Vegas faster than a GTX 560ti 448 core? Or does it just hit a hypothetical wall, and not scale past a certain point?
post #4 of 13
Quote:
Originally Posted by Jeremy1998 View Post

Thanks for those. I will check them out in more detail when I actually get an Nvidia card.
My other question is how much is too much? I konw PhysX isn't too demanding... but at what point does GPU acceleration stop scaling? In other words, will a GTX 580 render in Vegas faster than a GTX 560ti 448 core? Or does it just hit a hypothetical wall, and not scale past a certain point?

Don't ask me biggrin.gif I don't know much about video cards - I'm not a gamer or anything. wink.gif
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post #5 of 13
Thread Starter 
Quote:
Originally Posted by ChrisN View Post

Don't ask me biggrin.gif I don't know much about video cards - I'm not a gamer or anything. wink.gif
Yepp, but that question was about video editing wink.gif

And based on your subtitle "Programmer", I figured you knew a bit about Adobe CS5, Illustrator, Photoshop, and Sony Vegas Pro 11. I just don't want to buy a 580, and have it not help me any more than a 560ti 448 core.
post #6 of 13
Have fun trying to set it up wheee.gif I have been trying to get my 640 be a dedicated physx for a week now... all I know is I wish I got a 4xx-5xx instead of a 6xx series
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post #7 of 13
OK, fine rolleyessmileyanim.gif , I don't know anything about video editing either smile.gif The only program in your list that I've used is Photoshop, once, and it was an ancient version. Although I'm not saying I never will use them. But the all those programs are soooooo expensive & I'm not made out of money like some people......biggrin.gif
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post #8 of 13
Thread Starter 
Quote:
Originally Posted by iMica View Post

Have fun trying to set it up wheee.gif I have been trying to get my 640 be a dedicated physx for a week now... all I know is I wish I got a 4xx-5xx instead of a 6xx series
What do you mean? You think it would be easier to do this hack / mod if you had gotten a 4 / 5 series card? Because I'm planning on doing this with a 5 series card of some model, I just can't tell which one would be best for me.
Quote:
Originally Posted by ChrisN View Post

OK, fine rolleyessmileyanim.gif , I don't know anything about video editing either smile.gif The only program in your list that I've used is Photoshop, once, and it was an ancient version. Although I'm not saying I never will use them. But the all those programs are soooooo expensive & I'm not made out of money like some people......biggrin.gif
Well, I'm in a Graphic Design class in school, so it does have its advantages.
post #9 of 13
Yea the 600 series is giving me hell lol

Most people have no problems with the 4xx/5xx series
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post #10 of 13
Thread Starter 
Quote:
Originally Posted by iMica View Post

Yea the 600 series is giving me hell lol
Most people have no problems with the 4xx/5xx series
I think I will go with the 560ti 448 core then. I think buying a 580 Would be stupid, since its the price of a 670, and is almost 2 years old.
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