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We tested the RTX Spark Superchip in Microsoft's Surface Laptop Ultra

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We tested the RTX Spark Superchip in Microsoft's Surface Laptop Ultra

Nvidia CEO Jensen Huang announced the RTX Spark platform with the grand ambition to “reinvent the PC” back at Computex 2026. By pairing the GB10 Superchip with a version of Windows on Arm tailored for the secure and contained execution of local AI agents, Nvidia and its partners at Microsoft, Dell, HP, MSI, Lenovo, and Asus are all hoping to pave the way to a future where the PC is an active, autonomous companion for work and creation.

The hardware foundation for that vision of the future is now in place. Last week, we flew out to San Francisco to get all the details on the RTX Spark platform, and we returned home with Microsoft’s Surface Laptop Ultra in top-end trim to put it all to the test.

This system has the full RTX Spark Superchip with 20 CPU cores and 6144 CUDA cores alongside 128GB of LPDDR5X-9400 RAM, and I’ve been putting it through its paces over the past week to see just what it can do.

The embargoes for the RTX Spark launch are a bit peculiar. Today, we’ll be sharing our broad experience with the Spark platform, as well as competitive performance evaluations, but not any system-specific results such as battery life, build or display quality, or other details of that nature. We have other RTX Spark laptops in the Tom’s Hardware labs, and detailed reviews of those systems will be coming soon.

No, this approach doesn’t make a lot of sense when the experience of a mobile platform is intimately and inextricably tied to the specific implementation of that chip in a particular laptop design.


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