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// RUN — FITS
Can the Apple M2 Max 32GB run Stable Diffusion XL (SDXL)?
Yes — here's how fast and up to what context, with real measured numbers.
Stable Diffusion XL (SDXL) on the Apple M2 Max 32GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 313k | 40-48.2 t/s | ~1-1.2 (slow) |
| Q8 | yes | 365k | 80-96.5 t/s | ~2-2.4 (slow) |
| Q4 | yes | 388k | 142.9-172.3 t/s | ~3.6-4.3 (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 Max 32GB run Stable Diffusion XL (SDXL)?▶
Yes. At Q4 it generates ~142.9-172.3 tok/s and fits up to 388k context; beyond that it spills to SSD swap and slows to ~3.6-4.3 tok/s.
How much context fits?▶
At Q4, up to about 388k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.