// RUN โ€” FITS

Can the Apple M3 Max 64GB run InternVL2_5-78B?

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

InternVL2_5-78B on the Apple M3 Max 64GB

QuantFits?Max contextSpeedBeyond context
FP16 no โ€” โ€” โ€”
Q8 no โ€” โ€” โ€”
Q4 yes 37k 6.2-7.5 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 M3 Max 64GB run InternVL2_5-78B?โ–ถ

Yes. At Q4 it generates ~6.2-7.5 tok/s and fits up to 37k 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 37k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.