RTX 3060 runs MiniMax H3: 4-step LoRA doubles speed, upscales to 2K
cgpixel23 · reddit · 2026-08-17
A ComfyUI tutorial combining the new 4-step Lightx2v LoRA for MiniMax H3 with Sage Attention, Sol Attention and Spectrum nodes. On an RTX 3060 6GB with 16GB RAM at 0.8 megapixel: 13 min vs 41 min at 8 steps, 27 min vs 52 min at 20 steps — roughly 2x faster. LTX 2.3 Upscaler (11 min) then reaches 2432x1344 (2K-class) resolution. Workflow file and video tutorial linked.
Related event: MiniMax H3 Accelerated LoRA Enables HD Editing on Consumer GPUs(3 posts)→
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