MiniMax H3 ComfyUI test shows better video quality at higher resolution and steps
ayakitodev · reddit · 2026-08-04
A Reddit user shares a ComfyUI test of MiniMax H3 video generation at high, medium, and low resolutions.
- The test uses one reference image and the same prompt/seed across runs.
- They say higher resolution and more steps produce better fidelity to the reference image and prompt.
- They report roughly 4.8 GB to 15.1 GB VRAM usage and about 67 GB of RAM, with SSD spilling the heavy load.
- The post includes workflow details, model filenames, and a note that accelerators like sageattention/fp8fast seemed to cause distortions in their testing.
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