// RUN โ€” FITS

Can the Apple M2 Ultra 192GB run Llama Nemotron Super v1.5?

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

Llama Nemotron Super v1.5 on the Apple M2 Ultra 192GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 224k 5.6-6.7 t/s ~0.1-0.1 (slow)
Q8 yes 373k 11.1-13.4 t/s ~0.1-0.2 (slow)
Q4 yes 439k 19.8-23.9 t/s ~0.2-0.3 (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 Nemotron Super v1.5?โ–ถ

Yes. At Q4 it generates ~19.8-23.9 tok/s and fits up to 439k context; beyond that it spills to SSD swap and slows to ~0.2-0.3 tok/s.

How much context fits?โ–ถ

At Q4, up to about 439k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.