// RUN โ€” FITS

Can the Apple M2 Ultra 192GB run Llama 4 Scout?

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

Llama 4 Scout on the Apple M2 Ultra 192GB

QuantFits?Max contextSpeedBeyond context
FP16 no โ€” โ€” โ€”
Q8 yes 190k 5-6 t/s ~0.1-0.1 (slow)
Q4 yes 336k 8.9-10.7 t/s ~0.1-0.1 (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 Llama 4 Scout?โ–ถ

Yes. At Q4 it generates ~8.9-10.7 tok/s and fits up to 336k context; beyond that it spills to SSD swap and slows to ~0.1-0.1 tok/s.

How much context fits?โ–ถ

At Q4, up to about 336k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.