// RUN โ€” FITS

Can the Apple M2 Ultra 192GB run AlphaFold 2?

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

AlphaFold 2 on the Apple M2 Ultra 192GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 2611k 2924.7-3526.9 t/s ~36.6-44.1 (slow)
Q8 yes 2612k 5849.5-7053.8 t/s ~73.1-88.2 (slow)
Q4 yes 2613k 10445.5-12596 t/s ~130.6-157.5 (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 AlphaFold 2?โ–ถ

Yes. At Q4 it generates ~10445.5-12596 tok/s and fits up to 2613k context; beyond that it spills to SSD swap and slows to ~130.6-157.5 tok/s.

How much context fits?โ–ถ

At Q4, up to about 2613k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.