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// RUN — FITS
Can the Apple M4 Max 64GB run Granite 3.1 2B?
Yes — here's how fast and up to what context, with real measured numbers.
Granite 3.1 2B on the Apple M4 Max 64GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 780k | 74.3-89.5 t/s | ~1.4-1.6 (slow) |
| Q8 | yes | 818k | 148.5-179.1 t/s | ~2.7-3.3 (slow) |
| Q4 | yes | 835k | 265.2-319.8 t/s | ~4.9-5.9 (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 Granite 3.1 2B?▶
Yes. At Q4 it generates ~265.2-319.8 tok/s and fits up to 835k context; beyond that it spills to SSD swap and slows to ~4.9-5.9 tok/s.
How much context fits?▶
At Q4, up to about 835k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.