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// RUN — FITS
Can the Apple M4 Max 48GB run Gemma 3n?
Yes — here's how fast and up to what context, with real measured numbers.
Gemma 3n on the Apple M4 Max 48GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 198k | 23.6-28.5 t/s | ~0.4-0.5 (slow) |
| Q8 | yes | 258k | 47.3-57 t/s | ~0.9-1 (slow) |
| Q4 | yes | 285k | 84.5-101.8 t/s | ~1.5-1.9 (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 48GB run Gemma 3n?▶
Yes. At Q4 it generates ~84.5-101.8 tok/s and fits up to 285k context; beyond that it spills to SSD swap and slows to ~1.5-1.9 tok/s.
How much context fits?▶
At Q4, up to about 285k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.