RTX 5090 Runs MiniMax H3: Slow Video Generation

Running MiniMax H3 on RTX 5090 shows acceptable text/image-to-video speed but video-to-video takes 20 minutes, with 1080p hitting VRAM and ComfyUI bottlenecks.

2026-08-08 ~ 2026-08-10 · 3 related posts

• Running Minimax H3 1080p Locally on RTX 5090 Fails: ComfyUI & VRAM Bottlenecks — jingtianli · 2026-08-08
• Running MiniMax H3 on RTX 5090: Video-to-Video Generation Takes 20 Minutes — Chaztle · 2026-08-09
• Running MiniMax H3 on RTX 5090: 5 Mins for a 10s 720p Video — aurelm · 2026-08-10