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// RUN — FITS
Can the AMD Ryzen AI Max+ 395 run S4?
Yes — here's how fast and up to what context, with real measured numbers.
S4 on the AMD Ryzen AI Max+ 395
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 1727k | 323.9-395.8 t/s | ~12.7-15.5 (slow) |
| Q8 | yes | 1731k | 647.7-791.6 t/s | ~25.3-30.9 (slow) |
| Q4 | yes | 1733k | 1156.6-1413.7 t/s | ~45.2-55.2 (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 S4?▶
Yes. At Q4 it generates ~1156.6-1413.7 tok/s and fits up to 1733k context; beyond that it spills to SSD swap and slows to ~45.2-55.2 tok/s.
How much context fits?▶
At Q4, up to about 1733k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.