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// RUN — FITS
Can the AMD Ryzen AI Max+ 395 run mBART-50?
Yes — here's how fast and up to what context, with real measured numbers.
mBART-50 on the AMD Ryzen AI Max+ 395
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 1716k | 132.2-161.6 t/s | ~5.2-6.3 (slow) |
| Q8 | yes | 1726k | 264.4-323.1 t/s | ~10.3-12.6 (slow) |
| Q4 | yes | 1730k | 472.1-577 t/s | ~18.4-22.5 (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 mBART-50?▶
Yes. At Q4 it generates ~472.1-577 tok/s and fits up to 1730k context; beyond that it spills to SSD swap and slows to ~18.4-22.5 tok/s.
How much context fits?▶
At Q4, up to about 1730k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.