RTX 5090 vs MI300X
Signed, community-submitted decode tok/s, prefill, and TTFT for RTX 5090 vs MI300X — every number links to the run it came from.
Verdict
MI300X has no submitted run yet, so there is no head-to-head number to report. We do have 21 models measured for RTX 5090 (peak 356 tok/s decode on stable-code-instruct-3b) — the table below is that baseline. Run the llm-speed suite on MI300X and this page fills in the second column automatically.
RTX 5090 benchmarks — no shared model with MI300X yet
See also: RTX 5090 benchmarks · MI300X benchmarks · All hardware · All models · Methodology