can you sli a gtx 1070 with a 1080?

RussianCow76 · Oct 27, 2016

I have a 1070 now, and I was wondering if it were safe to SLI a 1080 with it. I've read that SLI with card's that have different memory amounts would lead to problems, but the 1070 and 1080 both have 8 GB. although one is the 1070 is DDR5 and the 1080 is DDR5X, and i'm not sure if that would complicate things. apart from that the cards seem to be pretty similar, but I don't have SLI experience so I am not 100% sure about things like these.

Luminary · Oct 27, 2016

I'm afraid not, you can only SLI identical graphics cards.

If you want to SLI your 1070 you'll need to purchase an identical 1070 model.

bignastyid · Oct 27, 2016

SLI requires the same gpu and vram. 1070 and 1080 have different gpus and use different vram.

InvalidError · Oct 27, 2016

Even if it worked, the best-case performance scaling would typically be approximately twice the speed of the slowest GPU, usually worse in real-world scenarios.

It will work with games that support explicit multiple adapters in DX12/Vulkan, but mileage will vary depending on how well the games you want to play implement that.

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can you sli a gtx 1070 with a 1080?

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