// RUN โ€” FITS

Can the Apple M4 Max 48GB run Pangu-Weather?

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

Pangu-Weather on the Apple M4 Max 48GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 628k 725.2-874.5 t/s ~13.3-16 (slow)
Q8 yes 632k 1450.3-1748.9 t/s ~26.6-32 (slow)
Q4 yes 634k 2589.8-3123 t/s ~47.4-57.2 (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 M4 Max 48GB run Pangu-Weather?โ–ถ

Yes. At Q4 it generates ~2589.8-3123 tok/s and fits up to 634k context; beyond that it spills to SSD swap and slows to ~47.4-57.2 tok/s.

How much context fits?โ–ถ

At Q4, up to about 634k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.