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// RUN — FITS
Can the Apple M4 Max 64GB run Pangu-Weather?
Yes — here's how fast and up to what context, with real measured numbers.
Pangu-Weather on the Apple M4 Max 64GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 848k | 725.2-874.5 t/s | ~13.3-16 (slow) |
| Q8 | yes | 852k | 1450.3-1748.9 t/s | ~26.6-32 (slow) |
| Q4 | yes | 854k | 2589.8-3123 t/s | ~47.4-57.2 (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 M4 Max 64GB run Pangu-Weather?▶
Yes. At Q4 it generates ~2589.8-3123 tok/s and fits up to 854k context; beyond that it spills to SSD swap and slows to ~47.4-57.2 tok/s.
How much context fits?▶
At Q4, up to about 854k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.