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// RUN — FITS
Can the Instinct MI440X run Stable Diffusion 3.5 Medium?
Yes — here's how fast and up to what context, with real measured numbers.
Stable Diffusion 3.5 Medium on the Instinct MI440X
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 5965k | 2469.6-3018.4 t/s | ~5-6.2 (slow) |
| Q8 | yes | 6003k | 4939.2-6036.8 t/s | ~10.1-12.3 (slow) |
| Q4 | yes | 6020k | 8820-10780 t/s | ~18-22 (slow) |
Estimate (memory-bound). Beyond "max context" the KV cache spills to system RAM offload (depends on your system RAM) and speed drops to the "beyond" figure.
FAQ
Can the Instinct MI440X run Stable Diffusion 3.5 Medium?▶
Yes. At Q4 it generates ~8820-10780 tok/s and fits up to 6020k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~18-22 tok/s.
How much context fits?▶
At Q4, up to about 6020k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.