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// RUN — FITS
Can the AMD Ryzen AI Max+ 395 run Mamba2-Hybrid?
Yes — here's how fast and up to what context, with real measured numbers.
Mamba2-Hybrid on the AMD Ryzen AI Max+ 395
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 735k | 9.3-11.4 t/s | ~0.4-0.4 (slow) |
| Q8 | yes | 801k | 18.6-22.8 t/s | ~0.7-0.9 (slow) |
| Q4 | yes | 830k | 33.3-40.6 t/s | ~1.3-1.6 (slow) |
Estimate (memory-bound). Beyond "max context" the KV cache spills to SSD swap and speed drops to the "beyond" figure.
FAQ
Can the AMD Ryzen AI Max+ 395 run Mamba2-Hybrid?▶
Yes. At Q4 it generates ~33.3-40.6 tok/s and fits up to 830k context; beyond that it spills to SSD swap and slows to ~1.3-1.6 tok/s.
How much context fits?▶
At Q4, up to about 830k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.