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GTX 650 Ti Boost with GT 640 for PhysX? Thoughts?

I just recently bought a GTX 650 Ti Boost to replace my GT 640. Would it be advantageous to use my GT 640 for PhysX, or would it slow that processing down in reality? I don't know if that's the kind of thing you have to test, or if anyone has any thoughts on that.

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  1. Best answer
    Normally a model or two down is fine for PhysX, like using a 650 for PhysX and adding in a 660 or 670 or 680. The 640, while a step down, is a fairly crippled card and low budget. Best thing to do would be test a PhysX game with and without the card as a PhysX card and then with and without the 650 ti doing the graphics and physX and see what results you get.
  2. Yeah, that's a very good pairing. The GT 640 has a relatively high CUDA core count, which is key for PhysX.

    First, you need to make sure you actually play GPU accelerated PhysX games. What games do you play?
  3. 17seconds said:
    Yeah, that's a very good pairing. The GT 640 has a relatively high CUDA core count, which is key for PhysX.

    First, you need to make sure you actually play GPU accelerated PhysX games. What games do you play?


    Yeup, I know which games, thanks for checking though :)
  4. Fire it up then!
  5. i guess as long as your psu is up to it and have a spare pcie slot, its worth trying. Let us know if you notice any benefit from iuy.
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