Can I run this LLM?
Can a Mac Studio M5 Ultra (512GB) run Qwen3.5 4B?
Qwen · Apache 2.0 · estimated for a 512.0 GB machine at 4K context.
Yes — it runs great.
Best fit: Qwen3.5 4B at FP16 · 8.4 GB · 62–93 tok/s on a Mac Studio M5 Ultra (512GB).
Every quantization on this machine
| Quant | Size | Speed | Fit |
|---|---|---|---|
| Q2_K | 1.9 GB | 120–180 tok/s | Runs great |
| Q3_K_M | 2.3 GB | 114–171 tok/s | Runs great |
| Q4_K_M | 2.7 GB | 108–161 tok/s | Runs great |
| Q5_K_M | 3.1 GB | 102–153 tok/s | Runs great |
| Q6_K | 3.5 GB | 98–146 tok/s | Runs great |
| Q8_0 | 4.5 GB | 88–132 tok/s | Runs great |
| FP16 | 8.4 GB | 62–93 tok/s | Runs great |
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