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// RUN — FITS
Can the Apple M2 Ultra 192GB run BELLE-7B-2M?
Yes — here's how fast and up to what context, with real measured numbers.
BELLE-7B-2M on the Apple M2 Ultra 192GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 1200k | 38.9-46.9 t/s | ~0.5-0.6 (slow) |
| Q8 | yes | 1254k | 77.7-93.7 t/s | ~1-1.2 (slow) |
| Q4 | yes | 1277k | 138.8-167.3 t/s | ~1.7-2.1 (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 BELLE-7B-2M?▶
Yes. At Q4 it generates ~138.8-167.3 tok/s and fits up to 1277k context; beyond that it spills to SSD swap and slows to ~1.7-2.1 tok/s.
How much context fits?▶
At Q4, up to about 1277k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.