Summary

Nvidia's DGX Spark has proven itself as a compact, versatile local AI engine thanks to its 128GB of RAM, fast 20-core Arm CPU, and capable Blackwell GPU. We found it equally useful for LLM inference and generative image and video workflows in our review . But one surprise did rear its head during our testing. Despite its 3nm-class fabrication tech, Arm CPU complex, and Nvidia's long experience with mobile power management, the DGX Spark and its GB10 SoC drew a surprising 37W or so at idle.

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