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We reran our MiniMax H3 speed test on an RTX 4090, an RTX 5090 and again on our RTX 3090: Sage Attention, Sol-Attn and latent upscale, real timings, two surprises.
We tested Motion Director on RTX 3090 to get past MiniMax H3's length limit: 3 chained 5s segments in one 15s clip. Pure I2V vs. Ref2VA with a character sheet.
We verified MiniMax H3 face swap (RTX 3090) twice: with the creator's own assets and with a 100% self-generated video. The title's 'body swap' isn't shown.
Alibaba PAI released an 8-step LoRA for MiniMax H3. We tested it on RTX 3090: the 4-step turbo doesn't look bad, it just doesn't advance the choreography over time.
We tested MiniMax H3 speed tricks on an RTX 3090: Sage Attention, Kijai Sol-Attn, two-stage latent upscale. One hid a real bug no tutorial mentions.
I tested native Uni3C ControlNet in ComfyUI on an RTX 3090: point-cloud camera rendering in Docker plus Wan 2.1 generation. Two real blockers fixed.
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