RTX 5090 takes ~16 mins for 5s video on MiniMax H3 R2V
Less-Wrangler5604 · reddit · 2026-08-25
A user running MiniMax H3 R2V (Reference-to-Video) in ComfyUI on a Vast.ai RTX 5090 reports a generation time of 1000 seconds (16–17 mins) for a 5-second, 1.0-megapixel video. While consistency is good, the user finds the time slow and seeks optimization tips, attention method tweaks, or workflow changes from other 5090 users.
Related event: MiniMax H3 R2V Takes 16 Minutes for a 5-Second Video on RTX 5090(2 posts)→
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