> Also note that nothing is preventing Optical Flow Acceleration [0] (and subsequently the DLSS 3.0 models that they claim are exclusive to the 40 series) from running on either 2/3 RTX cards.

Are you sure about that?

The page here says it uses "Optical Flow Accelerator of the NVIDIA Ada Lovelace architecture" which sounds like a hardware feature?

https://www.nvidia.com/en-us/geforce/news/dlss3-ai-powered-n...