Running MiniMax H3 on RTX 5090 Laptop: 15s Video in 13 Mins
001faith · reddit · 2026-08-03
A user tested the MiniMax H3 video generation model on a mobile RTX 5090 laptop with 24GB VRAM.
- Setup: Used int8 pruned DiT and nvfp4 text encoder with sage attention.
- Performance: Generated a 15-second video at 960x544p (24fps) in 13.5 minutes.
- Usage: Peaked at 16.7GB VRAM and 51GB system RAM.
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