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GeForce GTX 650 Ti vs. GeForce GTS 450 as a Dedicated PhysX card?

Last response: in Graphics & Displays
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January 22, 2014 3:25:16 PM

I am thinking of using this card as a dedicated PhysX card for the Batman Arkham Assylum series. I don't have much experience with Kepler based parts outside of the theoreticals. From my understanding, the Kepler architecture is extremely weak in terms of its compute abilities. As I plan to use this card as a dedicated PhysX card (paired with Dual Asus Radeon R9 290x's using the PhysX workaround), I was wondering if it would be stronger or weaker than my Fermi based GeForce GTS 450 card (for PhysX)?

Thanks!

(PS. I game at 5760x1080).

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a b À AMD
January 22, 2014 6:00:32 PM

When it comes to PhysX, its all about how many CUDA Cores it has. Whichever has more, use that one.
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January 22, 2014 6:16:42 PM

That would seem to indicate that the GTX 650 Ti is the card to pick considering it has 768 CUDA cores vs. 192 CUDA cores for the GTS 450. I assumed that the fact that Kepler has weaker individual cores would play a role in PhysX performance. Based on what you're saying it doesn't. PhysX is more parallel heavy I guess?
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a b À AMD
January 22, 2014 7:05:12 PM

To my knowledge, Fermi is stronger than Kepler in general compute applications, but that comes down to the GPU itself rather than CUDA.
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