Minimax H3 pushes native 61MP images on a single RTX 5090 in ~110s
q5sys · reddit · 2026-11-12
Reddit user q5sys stress-tested Minimax H3-Image on a single RTX 5090 without upscaling: at 100MP (7456x13376) it takes 240s per image with visible artifacts; at 61MP (5824x10464, matching his a7r5 camera) it drops to 110s per image and looks clean enough for professional work, in his view. Built on a community 20MP workflow — he only raised the megapixel value and set the scheduler to normal. VRAM usage was 31GB with 61GB resident RAM / 498GB vmem on a dual-Epyc 7B13 workstation with 1TB DDR4 ECC.
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