DGX Spark vs M3 Ultra
Signed, community-submitted decode tok/s, prefill, and TTFT for DGX Spark vs M3 Ultra — every number links to the run it came from.
Verdict
DGX Spark has no submitted run yet, so there is no head-to-head number to report. We do have 26 models measured for M3 Ultra (peak 429 tok/s decode on mlx-community/Qwen3-0.6B-4bit) — the table below is that baseline. Run the llm-speed suite on DGX Spark and this page fills in the second column automatically.
M3 Ultra benchmarks — no shared model with DGX Spark yet
See also: DGX Spark benchmarks · M3 Ultra benchmarks · All hardware · All models · Methodology