// RUN โ€” FITS

Can the Apple M2 Ultra 64GB run Hermes 2 Theta Llama-3 70B?

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

Hermes 2 Theta Llama-3 70B on the Apple M2 Ultra 64GB

QuantFits?Max contextSpeedBeyond context
FP16 no โ€” โ€” โ€”
Q8 no โ€” โ€” โ€”
Q4 yes 52k 13.9-16.7 t/s ~0.2-0.2 (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 64GB run Hermes 2 Theta Llama-3 70B?โ–ถ

Yes. At Q4 it generates ~13.9-16.7 tok/s and fits up to 52k context; beyond that it spills to SSD swap and slows to ~0.2-0.2 tok/s.

How much context fits?โ–ถ

At Q4, up to about 52k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.