RTX 5090 Benchmark: Generating 12-Second 1080p Video with Minimax H3 Takes 35 Minutes
Grinderius · reddit · 2026-08-24
A user benchmarked Minimax H3 locally on an RTX 5090 system (64GB DDR4, Ryzen 7 5800X3D). Using the default i2v workflow at native 2MP (1920x1088) resolution with 20 steps, generating a 12-second video took approximately 34 minutes and 54 seconds (97s/step). The model used bfloat16 weights with dynamic VRAM loading, staging about 32GB.
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