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// RUN — FITS
Can the Apple M4 Max 64GB run Emu2?
Yes — here's how fast and up to what context, with real measured numbers.
Emu2 on the Apple M4 Max 64GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | no | — | — | — |
| Q8 | yes | 73k | 10-12.1 t/s | ~0.2-0.2 (slow) |
| Q4 | yes | 135k | 17.9-21.6 t/s | ~0.3-0.4 (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 64GB run Emu2?▶
Yes. At Q4 it generates ~17.9-21.6 tok/s and fits up to 135k context; beyond that it spills to SSD swap and slows to ~0.3-0.4 tok/s.
How much context fits?▶
At Q4, up to about 135k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.