ComfyUI node test: Video generation speed doubled with H3 SLA
Jesus__Skywalker · reddit · 2026-09-01
A user reports significant speed improvements in video generation by using the minimaxh3fl2vturbo LoRA combined with the H3 SLA attention node in ComfyUI. On a 5090 GPU, rendering 1920x1088 10-second clips now takes 5 minutes (i2v) or 154 seconds (t2v), representing an epic improvement that feels like more than a 50% speed boost.
Related event: MiniMax H3 Acceleration LoRA Speeds Up ComfyUI Video Generation(2 posts)→
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