MiniMax H3 Benchmark: Native implementation 30%+ faster
Mattnix · reddit · 2026-08-15
A benchmark of MiniMax H3 INT8 on the AMD Radeon RX 9070 XT (16GB VRAM) shows that ComfyUI's native INT8 implementation is approximately 31% faster at 1MP resolution than PatientX's INT8-Fast-ROCM implementation (native took 32 mins). Using identical models, prompts, and steps, the results contradict documentation suggestions, implying existing optimization advice may be outdated or RDNA4 behaves differently.
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