M2 Ultra vs M3 Ultra
Signed, community-submitted decode tok/s, prefill, and TTFT for M2 Ultra vs M3 Ultra — every number links to the run it came from.
Verdict
M2 Ultra has no submitted run yet, so there is no head-to-head number to report. We do have 21 models measured for M3 Ultra (peak 192 tok/s decode on mlx-community/stable-code-instruct-3b-4bit) — the table below is that baseline. Run the llm-speed suite on M2 Ultra and this page fills in the second column automatically.
M3 Ultra benchmarks — no shared model with M2 Ultra yet
See also: M2 Ultra benchmarks · M3 Ultra benchmarks · All hardware · All models · Methodology