// RUN โ€” FITS

Can the AMD Ryzen AI Max+ 395 run Apertus 70B?

Yes โ€” here's how fast and up to what context, with real measured numbers.

Apertus 70B on the AMD Ryzen AI Max+ 395

QuantFits?Max contextSpeedBeyond context
FP16 no โ€” โ€” โ€”
Q8 yes 133k 2.3-2.8 t/s ~0.1-0.1 (slow)
Q4 yes 227k 4.1-5 t/s ~0.2-0.2 (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 Apertus 70B?โ–ถ

Yes. At Q4 it generates ~4.1-5 tok/s and fits up to 227k context; beyond that it spills to SSD swap and slows to ~0.2-0.2 tok/s.

How much context fits?โ–ถ

At Q4, up to about 227k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.