ComfyUI Tutorial: MiniMax H3 Face Swap Workflow Runs on 6GB VRAM
cgpixel23 · reddit · 2026-09-03
A custom MiniMax H3 Ref2Vid ComfyUI workflow combines SAM3 masking with face swapping: load a reference face plus source video, define the mask with a simple prompt like face or head, and generate the swapped video. Optimizations (Low VRAM Attention, Chunk FeedForward, SLA Attention, Sol-Attn, Spectrum, INT8Conv) reportedly bring it down to 6GB VRAM. Full tutorial on Civitai and YouTube.
Related event: ComfyUI Tutorial Runs MiniMax H3 Face-Swap Workflows on 6GB VRAM(2 posts)→
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