Can I run this LLM?
Can a AMD Ryzen AI Max+ 395 “Strix Halo” (128GB) run Qwen3.5 4B?
Qwen · Apache 2.0 · estimated for a 128.0 GB machine at 4K context.
Yes — it runs great.
Best fit: Qwen3.5 4B at FP16 · 8.4 GB · 17–26 tok/s on a AMD Ryzen AI Max+ 395 “Strix Halo” (128GB).
Every quantization on this machine
| Quant | Size | Speed | Fit |
|---|---|---|---|
| Q3_K_M | 1.8 GB | 51–77 tok/s | Runs great |
| Q4_K_M | 2.6 GB | 42–63 tok/s | Runs great |
| Q5_K_M | 3.0 GB | 38–57 tok/s | Runs great |
| Q6_K | 3.5 GB | 34–52 tok/s | Runs great |
| Q8_0 | 4.5 GB | 29–43 tok/s | Runs great |
| FP16 | 8.4 GB | 17–26 tok/s | Runs great |
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