Different Cards for SLi

I somewhere heared that it is kinda possible to use 2 Different Cards for an SLi Setup , the thing is that both are totally different in any way . That person mentioned that it is possible to use the slower card for something like background things or slower games and for Bigger games and works it uses the Better card and the slower one supports the main card a bit .

Im Talking about a GTX 680 as main and GTX 460 as secondary , im not quite sure about this coz this rumor made me curious and of coz interested since all i knew is that you need 2 Identical cards to get a usefull SLi setup .
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  1. The cards need to be identical to run SLI. You can fudge it sometimes with memory amounts, but you definitely can't put a 680 with a 460 in SLI.

    You can use the 680 as your main graphics card with the 460 for PhysX, though.
  2. BigMack70 said:
    The cards need to be identical to run SLI. You can fudge it sometimes with memory amounts, but you definitely can't put a 680 with a 460 in SLI.

    You can use the 680 as your main graphics card with the 460 for PhysX, though.



    How does that work , using a 460 as Physx Card , i think it isnt just put it in and done .
  3. Pretty sure you just put it in and done... just use the Nvidia control panel to set it as PhysX.

    I've never used a dedicated PhysX card so I could be wrong, but I think it's pretty simple.
  4. Its worth a try , but what happens if i plug in an SLI Bridge ? will my system go kaboom ?
  5. I doubt the system would go kaboom, but it may not boot, and it definitely won't work in SLI.
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