MiniMax H3 paired with LTX 2.3 for video upscaling on a 4080 GPU
alisitskii · reddit · 2026-08-04
A user shows a workflow that combines MiniMax H3 video generation with LTX 2.3 spatial upscaling.
The setup runs on a 4080-class GPU with 16 GB VRAM and 64 GB RAM. Each 5-second clip takes about 3:25 to generate at 736×736, and the LTX 2.3 x2 spatial upscaler takes another 2:05 with 3 steps.
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