// RUN โ€” FITS

Can the Apple M1 Ultra 64GB run Qwen Image?

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

Qwen Image on the Apple M1 Ultra 64GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 8k 10.1-12.1 t/s ~0.1-0.2 (slow)
Q8 yes 111k 20.1-24.3 t/s ~0.3-0.3 (slow)
Q4 yes 156k 36-43.4 t/s ~0.4-0.5 (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 M1 Ultra 64GB run Qwen Image?โ–ถ

Yes. At Q4 it generates ~36-43.4 tok/s and fits up to 156k context; beyond that it spills to SSD swap and slows to ~0.4-0.5 tok/s.

How much context fits?โ–ถ

At Q4, up to about 156k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.