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FastH3 V2 on an RTX 4080: 4.4x Faster Than Official MiniMax H3

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Same prompt, 640x640, 8 seconds, same seed 20261007, on a single RTX 4080: FastH3 V2 renders in 58.23s while the official MiniMax H3 INT8 build takes 255.92s, at comparable visual quality - fast enough for high-frequency prompt iteration on consumer hardware.

Video Generation FastH3 FastVideo MiniMax H3 Inference Acceleration Open Weights Consumer GPU

Category: video-generation

Author: @eternityspring

Date: 2026-10-07T00:00:00

Duration: 8.0s

Source: https://x.com/eternityspring/status/2107822061163077856

Reference: https://huggingface.co/FastVideo/FastVideo-FastH3-8-Step-V2

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