2x Optix compatible cards to speed up Cycles?

I just got an RTX 2080 Super and I was wondering if I will be able to speed-up Cycles even more if I toss a RTX 2070 Super in the box and use Optix rendering with both cards at the same time? Will this work as in with Cuda + CPU, where both cards are detected and used in parallel ?


As long as the cards support Optix (RTX cards), you can add multiple even if they are different versions. In one of my systems I have a 2080 Ti plus two 2070’s. Optix rendering and Optix AI denoise work fine with several and scale well (though not linerarly).

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That’s great, thanks for the information !