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// RUN — FITS
Can the Apple M4 Max 128GB run ESM1-85M?
Yes — here's how fast and up to what context, with real measured numbers.
ESM1-85M on the Apple M4 Max 128GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 1732k | 2181.4-2630.6 t/s | ~40-48.2 (slow) |
| Q8 | yes | 1734k | 4362.9-5261.1 t/s | ~79.9-96.4 (slow) |
| Q4 | yes | 1734k | 7790.8-9394.8 t/s | ~142.7-172.1 (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 128GB run ESM1-85M?▶
Yes. At Q4 it generates ~7790.8-9394.8 tok/s and fits up to 1734k context; beyond that it spills to SSD swap and slows to ~142.7-172.1 tok/s.
How much context fits?▶
At Q4, up to about 1734k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.