DGX Spark x4 vs Spark x4

GPU AGPU B

Best verified output tok/s per model (single-stream generation). Hover a value for the quant.

Verified data on this pair is thin — most of the board is still pending review. Submit your own run and help fill the matrix: one prompt, three steps, no downloads.

DGX Spark x45 verified runs · best 82.0 tok/s

Spark x41 verified run · best 30.2 tok/s

Model	DGX Spark x4	Spark x4
DeepSeek-V4.1-Flash	82.0 EXL3 3.5bpw	30.2 EXL3
DeepSeek-V4.1-Flash 552B MoE	41.0 MXFP4	—

Head-to-head (models tested on both): DGX Spark x4 1 · Spark x4 0 · tied 0 · data as of Sep 23, 2026. Full rules: methodology.

Related reading: RTX 5090 vs 3090 · quantization · Value index · Full board