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// RUN — FITS
Can the Apple M1 Max 32GB run TxGemma 2B?
Yes — here's how fast and up to what context, with real measured numbers.
TxGemma 2B on the Apple M1 Max 32GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 337k | 52.3-63.1 t/s | ~1.3-1.6 (slow) |
| Q8 | yes | 377k | 104.6-126.2 t/s | ~2.6-3.2 (slow) |
| Q4 | yes | 394k | 186.8-225.3 t/s | ~4.7-5.6 (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 M1 Max 32GB run TxGemma 2B?▶
Yes. At Q4 it generates ~186.8-225.3 tok/s and fits up to 394k context; beyond that it spills to SSD swap and slows to ~4.7-5.6 tok/s.
How much context fits?▶
At Q4, up to about 394k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.