DGX Spark x1 vs DGX Spark x2
Best verified output tok/s per model (single-stream generation). Hover a value for the quant.
DGX Spark x13 verified runs · best 72.0 tok/s
DGX Spark x210 verified runs · best 474.0 tok/s
| Model | DGX Spark x1 | DGX Spark x2 |
|---|
| Qwen3.8-Flash-Next-hibrid48 | — | 474.0 NVFP4 (output head) |
| DeepSeek-V4.1-Flash | — | 154.0 EXL3 2.9bpw |
| Qwen3.8-Flash-Next | 72.0 EXL3 | 80.0 NVFP4 |
| GLM-5.3-Flash-NVFP4 | — | 46.3 NVFP4 |
Head-to-head (models tested on both): DGX Spark x1 0 · DGX Spark x2 1 · tied 0 · data as of Sep 18, 2026. Full rules: methodology.
Related reading: RTX 5090 vs 3090 · quantization · Value index · Full board