Optimizing MiniMax H3 Ref2VA workflow on RTX 4080
KimSwallowsMD · reddit · 2026-09-01
The author details a MiniMax H3 Ref2VA workflow optimized for RTX 4080 16GB. It uses pruned INT8 models, Qwen3-VL encoder, PDD acceleration, and neural 3D latent upscaling to generate video with audio. Current limitations include hitting VRAM/RAM caps after 7-8 seconds and soft facial details. The post seeks help on memory management techniques, upscaler positioning, refinement strategies to improve detail without identity shift, and conditioning methods for continuous generation.
Related event: Users Run MiniMax H3 Video Generation Locally on Consumer GPUs(2 posts)→
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