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// RUN — FITS
Can the NVIDIA DGX Spark run Stable Diffusion 3 Medium?
Yes — here's how fast and up to what context, with real measured numbers.
Stable Diffusion 3 Medium on the NVIDIA DGX Spark
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 1659k | 39.9-47.5 t/s | ~1.5-1.7 (slow) |
| Q8 | yes | 1697k | 79.7-95 t/s | ~2.9-3.5 (slow) |
| Q4 | yes | 1714k | 142.4-169.7 t/s | ~5.2-6.2 (slow) |
Estimate (memory-bound). Beyond "max context" the KV cache spills to SSD swap and speed drops to the "beyond" figure.
FAQ
Can the NVIDIA DGX Spark run Stable Diffusion 3 Medium?▶
Yes. At Q4 it generates ~142.4-169.7 tok/s and fits up to 1714k context; beyond that it spills to SSD swap and slows to ~5.2-6.2 tok/s.
How much context fits?▶
At Q4, up to about 1714k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.