RTX 3060 12GB Finally Produces a Watchable Native 1536×864 25-Second AI Video
JinnTsui · reddit · 2026-10-28
A detailed writeup on generating a usable 25-second (600-frame) wildlife documentary video at native 1536×864 on an RTX 3060 12GB using ComfyUI + MiniMax H3 Singularity V2, DMAD 4-step, LoRA strength 1.0, 24 FPS—no stitching or upscaling—in 2,256 seconds. Key lessons from three iterations: overly explicit prompts about the cheetah's breathing caused grotesque abdominal swelling, while "natural, relaxed breathing" fixed it; initial frame + character references + a 3×3 storyboard stabilized consistency. Full settings shared for 12GB GPU owners.
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