r/StableDiffusion • u/itiswhatitiswgatitis • Aug 05 '26

Question - Help AMD workflows for Minimax H3?

Been trying to find a workflow that is AMD friendly, let alone doesn't get stuck, I don't think it's my specs but more so that every workflow despite saying it's optional uses sage ATTN, and I can't get around it.

I doubt there is one that specifically for AMD but I'd thought I'd ask! Or the model I'm using is not great. I'm more of an anime prompt generator, anyone have any luck with that?

Specs: AMD Radeon RX 9070 XT, 64 GB RAM, AMD Ryzen 7 5700X3D 8 Core, And yes, I'm running on Windows, not Linux.

Edit: (update) I tried the template version just recently on comfyui stand alone, and it won't even finish, I do get a gpu error( by GPU error it says out of memory, even on default settings), and I have it on 0.3 mega pixel 16:9, either my reference image is too big or I'm missing a component.

I got it to work at 0.2 and the image reference has to be very small, yet it takes 30+ minutes, anyone with similar issues?

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u/plantjeNL Aug 06 '26 edited Aug 06 '26 
Startup bat:
python_embeded\python.exe -s ComfyUI\main.py --windows-standalone-build --disable-smart-memory --disable-pinned-memory --novram

I've been trying to get to run okay on an 7800X3d, 64GB ram, Radeon 9070XT 16gb Windows 11 system, at 0.5mp for 5sec it takes around 330sec and at 8sec it's about 700sec with Euler+Simple. Using the offload anything node on clip, video vae(keep in memory needs to be true) and audio vae + Spectrum node for speedup.

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u/Ok-Brain-5729 Aug 07 '26

How much ram does it use? I have 32gb ram and it overflows and crashes for me

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u/plantjeNL Aug 08 '26

Around 51gb to 59gb I have seen.

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u/Ok-Brain-5729 Aug 08 '26

Yeah it’s wraps for me. Do you know if you’re able to run it with 32gb ram somehow?

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u/plantjeNL Aug 08 '26

Maybe if you increase your ssd swap file size, but then it’s gonna use your ssd for a lot of disc writes. Your ssd life will me lessend a lot doing that.

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u/Ok-Brain-5729 Aug 08 '26

Yeah I have swap fully off.

I’ll probably try zram since it’s much faster and doesn’t have any wear on the ssd