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Exact recorded values. Context may be a configured limit; matching filters does not establish identical prompts, offloading or concurrency.
M5 Ultra 256GB · LM Studio
User reports Qwen3-14B at 80.3 t/s on a Mac Studio M5 Ultra with 256 GB unified memory. Setup is LM Studio with 4-bit MLX weights on one machine, 36 CPU cores and 80 GPU cores. The 80.3 t/s is the mean of three runs; TTFT is 3.53 seconds, and the displayed 2,754 prompt tokens/s is prompt-token count divided by TTFT, not native prefill. Configured context capacity is unknown.
On Qwen3.8 27B at 4-bit, plain single-GPU runs. Full ranking