// RUN โ€” FITS

Can the Apple M2 Ultra 192GB run Apriel Nemotron 15B?

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

Apriel Nemotron 15B on the Apple M2 Ultra 192GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 539k 18.1-21.9 t/s ~0.2-0.3 (slow)
Q8 yes 596k 36.3-43.7 t/s ~0.5-0.5 (slow)
Q4 yes 621k 64.8-78.1 t/s ~0.8-1 (slow)

Estimate (memory-bound). Beyond "max context" the KV cache spills to SSD swap and speed drops to the "beyond" figure.

FAQ

Can the Apple M2 Ultra 192GB run Apriel Nemotron 15B?โ–ถ

Yes. At Q4 it generates ~64.8-78.1 tok/s and fits up to 621k context; beyond that it spills to SSD swap and slows to ~0.8-1 tok/s.

How much context fits?โ–ถ

At Q4, up to about 621k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.