// RUN โ€” FITS

Can the Apple M2 Ultra 192GB run Minitron 4B?

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

Minitron 4B on the Apple M2 Ultra 192GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 2486k 64.8-78.1 t/s ~0.8-1 (slow)
Q8 yes 2550k 129.5-156.2 t/s ~1.6-2 (slow)
Q4 yes 2578k 231.3-278.9 t/s ~2.9-3.5 (slow)

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

FAQ

Can the Apple M2 Ultra 192GB run Minitron 4B?โ–ถ

Yes. At Q4 it generates ~231.3-278.9 tok/s and fits up to 2578k context; beyond that it spills to SSD swap and slows to ~2.9-3.5 tok/s.

How much context fits?โ–ถ

At Q4, up to about 2578k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.