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// RUN — FITS
Can the Apple M4 Max 128GB run FRED-T5-XL?
Yes — here's how fast and up to what context, with real measured numbers.
FRED-T5-XL on the Apple M4 Max 128GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 1682k | 106.7-128.7 t/s | ~2-2.4 (slow) |
| Q8 | yes | 1708k | 213.4-257.3 t/s | ~3.9-4.7 (slow) |
| Q4 | yes | 1720k | 381-459.5 t/s | ~7-8.4 (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 128GB run FRED-T5-XL?▶
Yes. At Q4 it generates ~381-459.5 tok/s and fits up to 1720k context; beyond that it spills to SSD swap and slows to ~7-8.4 tok/s.
How much context fits?▶
At Q4, up to about 1720k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.