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So I read the helpful guide at the top of this forum about SLI, but I am still left with a newbie-ish question... And that is, "Can you SLI two NVIDIA Graphics cards that aren't the same?" For example I have an EVGA FTW 1080GTX with 8 GB of VRAM... but I have a spare EVGA 960 GTX with 4GB of VRAM. Would it be possible to bridge them? And then I guess if so is it worth it? Thank you for your help. 

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No, for SLI you need the same GPU core. You cannot SLI a 1080 with a 960, you could have the the 960 as a Physx card but they are pointless these days. 

Edited by LinusTechTipsFanFromDarlo

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From my understanding, you can't SLI graphics cards with different GPU cores. There is the option of putting the 960 in as a PhysX card, but it's pretty useless for, well, almost anything. Here's this LTT video about PhysX:

 

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2 hours ago, CaseyC said:

So I read the helpful guide at the top of this forum about SLI, but I am still left with a newbie-ish question... And that is, "Can you SLI two NVIDIA Graphics cards that aren't the same?" For example I have an EVGA FTW 1080GTX with 8 GB of VRAM... but I have a spare EVGA 960 GTX with 4GB of VRAM. Would it be possible to bridge them? And then I guess if so is it worth it? Thank you for your help. 

It needs to be the same GPU chip. Example: GTX 780 + 780
Not 780 + 780ti (This won't work)

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