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// RUN — FITS
Can the AMD Ryzen AI Max+ 395 run DiT-XL/2?
Yes — here's how fast and up to what context, with real measured numbers.
DiT-XL/2 on the AMD Ryzen AI Max+ 395
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 1714k | 119.5-146 t/s | ~4.7-5.7 (slow) |
| Q8 | yes | 1725k | 238.9-292 t/s | ~9.3-11.4 (slow) |
| Q4 | yes | 1729k | 426.7-521.5 t/s | ~16.7-20.4 (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 DiT-XL/2?▶
Yes. At Q4 it generates ~426.7-521.5 tok/s and fits up to 1729k context; beyond that it spills to SSD swap and slows to ~16.7-20.4 tok/s.
How much context fits?▶
At Q4, up to about 1729k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.