Can I run this LLM?
Can a Mac Studio M5 Ultra (256GB) run Qwen3.8 27B?
Qwen · Apache 2.0 · estimated for a 256.0 GB machine at 4K context.
Yes — it runs great.
Best fit: Qwen3.8 27B at FP16 · 54.7 GB · 14–21 tok/s on a Mac Studio M5 Ultra (256GB).
Every quantization on this machine
| Quant | Size | Speed | Fit |
|---|---|---|---|
| Q2_K | 10.8 GB | 52–78 tok/s | Runs great |
| Q3_K_M | 13.4 GB | 45–67 tok/s | Runs great |
| Q4_K_M | 17.4 GB | 37–55 tok/s | Runs great |
| Q5_K_M | 20.9 GB | 32–48 tok/s | Runs great |
| Q6_K | 23.9 GB | 29–43 tok/s | Runs great |
| Q8_0 | 29.1 GB | 24–36 tok/s | Runs great |
| FP16 | 54.7 GB | 14–21 tok/s | Runs great |
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