RTX 5090 runs MiniMax H3 8.7x slower than expected: VRAM thrashing?
Suspicious-Walk-815 · reddit · 2026-08-30
A user reported significant performance issues when running the MiniMax H3 model on an RTX 5090 (32GB).
Symptoms:
- Generating video at 2MP resolution is 8.7 times slower than expected.
- The user suspects VRAM thrashing or a configuration mistake.
- The post links to a discussion thread seeking technical diagnosis and solutions.
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