// RUN — FITS

Can the Apple M2 Ultra 192GB run Gemma 3n?

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

Gemma 3n on the Apple M2 Ultra 192GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 1187k 34.6-41.8 t/s ~0.4-0.5 (slow)
Q8 yes 1247k 69.3-83.6 t/s ~0.9-1 (slow)
Q4 yes 1273k 123.7-149.2 t/s ~1.5-1.9 (slow)

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

→ All models on the Apple M2 Ultra 192GB → Gemma 3n specs → Other hardware

FAQ

Can the Apple M2 Ultra 192GB run Gemma 3n?▶

Yes. At Q4 it generates ~123.7-149.2 tok/s and fits up to 1273k context; beyond that it spills to SSD swap and slows to ~1.5-1.9 tok/s.

How much context fits?▶

At Q4, up to about 1273k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.