Running MiniMax H3 locally: 2:19 video takes 5 hours on an RTX 3060

irmemon225 · reddit · 2026-08-21

A Reddit user tested MiniMax H3 R2V hybrid model for local video generation on an RTX 3060 12GB with 16GB RAM: each 10-second 0.8MP segment takes 20 minutes, and the full 2:19 video (14 prompts stitched together) took about 5 hours total.

Setup: int8 quantized hybrid model (minimaxh3hybridfl2varef2vab30-49-int8) plus Kijai's Turbo LoRA (lightx2v turbo 4step), default workflow with Sage Attention on, ersde sampler with beta, 6 steps; character images made with Anima.

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