// RUN โ€” FITS

Can the Apple M2 Ultra 192GB run Hunyuan-DiT?

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

Hunyuan-DiT on the Apple M2 Ultra 192GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 2568k 181.3-218.7 t/s ~2.3-2.7 (slow)
Q8 yes 2591k 362.7-437.3 t/s ~4.5-5.5 (slow)
Q4 yes 2601k 647.6-781 t/s ~8.1-9.8 (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 Hunyuan-DiT?โ–ถ

Yes. At Q4 it generates ~647.6-781 tok/s and fits up to 2601k context; beyond that it spills to SSD swap and slows to ~8.1-9.8 tok/s.

How much context fits?โ–ถ

At Q4, up to about 2601k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.