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// RUN — FITS
Can the Apple M2 Ultra 64GB run CLIP (ResNet-50)?
Yes — here's how fast and up to what context, with real measured numbers.
CLIP (ResNet-50) on the Apple M2 Ultra 64GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 853k | 3070-3702 t/s | ~38.4-46.3 (slow) |
| Q8 | yes | 855k | 6140-7404.1 t/s | ~76.7-92.6 (slow) |
| Q4 | yes | 855k | 10964.2-13221.5 t/s | ~137.1-165.3 (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 64GB run CLIP (ResNet-50)?▶
Yes. At Q4 it generates ~10964.2-13221.5 tok/s and fits up to 855k context; beyond that it spills to SSD swap and slows to ~137.1-165.3 tok/s.
How much context fits?▶
At Q4, up to about 855k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.