Can I run it?
Can I run Qwen3.5 2B on AMD Ryzen AI Max+ 395?
Runs great
Runs great fully in unified memory on your AMD Ryzen AI Max+ 395 at BF16, 8K context, about 36–50 tok/s. Weights 3.52 GB plus 0.10 GB of KV cache — 3.95 GB of 48.0 GB usable. Up to 256K context still fits.
Best quantBF16
Working context8K
Max that fits256K
Speed36–50 tok/sEstimate from memory bandwidth, not a benchmark. Method.
Weights3.52 GB
KV cache0.10 GB
Total3.95 GB
Usable48.0 GB
Qwen3.5 2B details · AMD Ryzen AI Max+ 395 page · How this estimate is made
Run commands
llama.cpp
llama-server -hf unsloth/Qwen3.5-2B-GGUF:BF16 -c 8192 -ngl 24
Ollama
ollama run qwen3.5
LM Studio
lms get unsloth/Qwen3.5-2B-GGUF # Then load quant BF16
Assumptions
- Estimate from memory bandwidth, not a benchmark. Decode speed uses 55–75% of peak bandwidth.
- KV cache is FP16. Engine overhead assumes llama.cpp (0.3 GB + 1% of the weights). Ollama is closer to 0.9 GB + 3%, LM Studio closer to 1 GB + 3%.
- BF16 size is the real GGUF file size from Hugging Face.
- Unified memory uses 75% for the GPU by default, and always leaves about 5 GB for the OS.
- Speed is quoted at 8K context, not at the maximum context that still fits.
Larger models that also fit
- Can I run Qwen3.8 27B on AMD Ryzen AI Max+ 395? — Runs great, UD-Q8_K_L, 4.9–6.7 tok/s (estimate)
- Can I run gemma 4 12b it on AMD Ryzen AI Max+ 395? — Runs great, BF16, 5.2–7.1 tok/s (estimate)
- Can I run Qwen3.5 9B on AMD Ryzen AI Max+ 395? — Runs great, BF16, 7.7–11 tok/s (estimate)
Updated 2026-10-24. Profile on this page is the device default.