MiniMax H3 + USDU Workflow: 2K Video on 16GB VRAM
alisitskii · reddit · 2026-08-18
Shared a ComfyUI workflow combining MiniMax H3 with Ultimate SD Upscale (USDU) to achieve local 2K video generation and upscaling.
Hardware: RTX 4080S (16GB VRAM) + 64GB RAM.
Performance:
- Initial gen (1504x832px, int8, sageattn, Lightx2v): 5 mins
- USDU Upscale to (3008x1664px): 40 mins
Includes GitHub repo link and JSON workflow file for reproduction.
Related event: MiniMax H3 Workflow Generates 2K Video Locally on 16GB VRAM(2 posts)→
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