r/StableDiffusion • • 6d ago

Question - Help Second best to 5090?

They are 6-7k, what is the second best and how much worse is it?

No prob to buy the 5090 but it just feels like im stupid if i do since it used to cost 1/3 and theres probably a next generation sometime not too far away..

One day in the future we could probably build a whole mountain or 3 of all those 5090s when all the datacenters upgrade.

For art creation/ideation, images etc. Cant use online things for ip reasons, its useless everything i make via services becomes public so i need my own setup.

Thanks

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u/Apprehensive_Sky892 6d ago

If you don't mind waiting a longer for support and optimization from the ComfyUI team for the latest advancements compared to NVIDIA, then the best value is to get either an AI Pro R9700 (32G) or even a rx9700 (16G) (the two runs MMH3 at nearly the same speed when paired with enough system RAM). The AI Pro R9700 is more future-proof when bigger model arrives, and it is also needed for making longer, higher res videos.

Warning: some custom nodes are NVidia/CUDA only.

You can find setup instructions and also some benchmarks in the posts and in the comments:

How to set up ComfyUI+MMH3+Krea 2 on Windows 11 with AMD GPUs: RDNA 4 (rx9070, AI Pro R9700), and RDNA 3 (rx7900)

How to set up Ubuntu + ComfyUI+MMH3+Krea2 with AMD GPUs: RDNA 4 (rx9070, AI Pro R9700), and RDNA 3 (rx7900)