Chips › NVIDIA DGX Spark (GB10): specs, runtimes, measured speeds

NVIDIA DGX Spark (GB10): specs, runtimes, measured speeds

NVIDIA DGX Spark (GB10) specs with sources and dates, the runtimes that run on it with evidence, and the configs we measured.

Snapshot 2026-10-15 · 394 configs on AI boxes and 423 on GPU cards · 123 models. Every number is generated from the tracker snapshot and linked to where it was measured; nothing here is typed by hand.

NVIDIA · unified-memory-box. 164 measured configs. Runtimes with an entry: 7.

Specs

• Memory: 128 GB · source (2026-09-02)
• Memory type: LPDDR5X, coherent unified system memory (CPU+GPU), 256-bit interface, 16 channels, LPDDR5X-8533 · source (2026-08-30)
• Memory bandwidth: 273 GB/s · source (2026-09-02)
• CPU: 20-core NVIDIA Grace CPU: 10x Arm Cortex-X925 + 10x Cortex-A725 (Armv9) · source (2026-08-30)
• GPU: NVIDIA Blackwell architecture GPU, 6,144 CUDA cores, 5th-generation Tensor Cores (FP4 support), 4th-generation RT Cores; 1x NVENC, 1x NVDEC · source (2026-08-30)
• AI compute (vendor figure): Up to 1 PFLOP (1,000 TFLOPS / 1,000 TOPS) FP4 · source (2026-09-02)
• Power: GB10 TDP 140 W; DGX Spark system power supply 240 W (USB-C PD) · source (2026-09-02)
• Released: 2025-10-15 (general availability of DGX Spark + partner GB10 systems) · source (2026-08-30)
• NVLink-C2C: NVLink-C2C coherent CPU<->GPU interconnect present (chip-to-chip within GB10) · source (2026-08-30)
• Networking: NVIDIA ConnectX-7 SmartNIC @ 200 Gbps (2x QSFP connectors, for linking two units); 1x RJ-45 10 GbE; Wi-Fi 7; Bluetooth 5.4 · source (2026-08-30)

More: all configs · hardware · news · contributors · methodology · llms.txt · llms-full.txt · API (OpenAPI) · JSON snapshot. Built by Altronis, private on-prem AI, Singapore.