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// RUN — FITS
Can the Apple M2 Ultra 192GB run Nanbeige-16B?
Yes — here's how fast and up to what context, with real measured numbers.
Nanbeige-16B on the Apple M2 Ultra 192GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 531k | 17-20.5 t/s | ~0.2-0.3 (slow) |
| Q8 | yes | 592k | 34-41 t/s | ~0.4-0.5 (slow) |
| Q4 | yes | 619k | 60.7-73.2 t/s | ~0.8-0.9 (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 M2 Ultra 192GB run Nanbeige-16B?▶
Yes. At Q4 it generates ~60.7-73.2 tok/s and fits up to 619k context; beyond that it spills to SSD swap and slows to ~0.8-0.9 tok/s.
How much context fits?▶
At Q4, up to about 619k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.