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// RUN — FITS
Can the Apple M1 Ultra 128GB run InternVL2 26B?
Yes — here's how fast and up to what context, with real measured numbers.
InternVL2 26B on the Apple M1 Ultra 128GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 239k | 10.7-12.9 t/s | ~0.1-0.2 (slow) |
| Q8 | yes | 336k | 21.3-25.7 t/s | ~0.3-0.3 (slow) |
| Q4 | yes | 379k | 38.1-45.9 t/s | ~0.5-0.6 (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 Ultra 128GB run InternVL2 26B?▶
Yes. At Q4 it generates ~38.1-45.9 tok/s and fits up to 379k context; beyond that it spills to SSD swap and slows to ~0.5-0.6 tok/s.
How much context fits?▶
At Q4, up to about 379k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.