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// RUN — FITS
Can the Apple M4 Max 64GB run Engine-Base (NE)?
Yes — here's how fast and up to what context, with real measured numbers.
Engine-Base (NE) on the Apple M4 Max 64GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 852k | 1497.1-1805.3 t/s | ~27.4-33.1 (slow) |
| Q8 | yes | 854k | 2994.2-3610.6 t/s | ~54.8-66.1 (slow) |
| Q4 | yes | 855k | 5346.8-6447.6 t/s | ~97.9-118.1 (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 Engine-Base (NE)?▶
Yes. At Q4 it generates ~5346.8-6447.6 tok/s and fits up to 855k context; beyond that it spills to SSD swap and slows to ~97.9-118.1 tok/s.
How much context fits?▶
At Q4, up to about 855k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.