NVIDIA GB10 — Grace CPU + Blackwell GPU on a single superchip with NVLink-C2C interconnect. 128GB unified LPDDR5X memory, up to 1 PFLOPS FP4. Powers DGX Spark — the world's smallest AI supercomputer for desktop AI development.
GB10 Grace Blackwell
Grace ARM 20-core
Blackwell Architecture
128 GB LPDDR5X Unified
512 GB/s
1 PFLOPS
NVLink-C2C (CPU-GPU)
PCIe 5.0 / USB 4
~170W (board level)
DGX Spark Desktop
The NVIDIA GB10 powers DGX Spark — a compact desktop AI supercomputer that puts data-center-class AI capability on your desk. With unified memory between Grace CPU and Blackwell GPU over NVLink-C2C, developers can train and infer models up to 200B parameters locally without data center infrastructure. Perfect for AI researchers prototyping foundation models, startups building AI-first products, and university labs needing accessible supercomputing. Runs the full NVIDIA AI software stack: CUDA, TensorRT, RAPIDS, and NeMo frameworks.
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