Testing MiniMax H3 on RTX 5090: New Sampler Achieves Flawless Quality
Exile3D · reddit · 2026-08-06
A developer tested various settings for MiniMax H3 on an RTX 5090 + 64GB RAM. At 1216x672 resolution, the standard sampler with 20 steps took about 8 minutes but produced artifacts. Switching to the new res2s beta + beta57 sampler with 8 steps yielded perfect results. Although the render time increased to 20 minutes, the generation efficiency reached roughly 20 render seconds per 1 second of video.
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