Microsoft has introduced the Surface Laptop Ultra , a new premium Surface PC powered by Nvidia’s RTX Spark superchip. The laptop was announced around Nvidia’s Computex keynote and is expected to launch later this year.

The Surface Laptop Ultra expands Microsoft’s Windows on Arm push beyond Qualcomm-powered Surface devices. It is also one of the first Windows laptops built around Nvidia’s new RTX Spark platform, which targets local AI, creator workloads, and gaming.

It is also the most powerful Surface laptop yet.

The Surface Laptop Ultra uses Nvidia’s RTX Spark platform, which combines up to 20 Arm-based CPU cores with up to 6,144 Blackwell RTX GPU cores. The platform also supports up to 128GB of unified memory and delivers up to 1 petaflop of AI performance.

Microsoft lists full CUDA support on the Surface Laptop Ultra, allowing the system to use Nvidia’s AI and graphics ecosystem for creator and developer workloads. The unified memory pool can be dynamically shared between the CPU and GPU, giving heavier tasks more room when needed.

The hardware is designed to run AI creation tools, 3D rendering tasks, multi-model workflows, and local AI models. Microsoft says the laptop can run up to 120 billion parameter models locally.

The Surface Laptop Ultra has a 15-inch mini LED PixelSense Ultra touchscreen with up to 2,000 nits of peak HDR brightness, 262 pixels per inch, and high precision color accuracy. Microsoft calls it the brightest display it has shipped on a Surface device.

The laptop comes in Platinum and Nightfall finishes. Microsoft also includes its largest Surface haptic touchpad, along with HDMI, USB-C, USB-A, an SD card slot, and a headphone jack.

The device weighs under 4.5 pounds and is built around a cooling system designed for sustained high performance in a thin laptop body, according to available details from Microsoft and Tom’s Hardware.

Microsoft has optimized Windows for RTX Spark’s hybrid CPU and GPU design. The company has added workload profile scheduling to help Windows scale tasks across the chip’s CPU cores more efficiently.

The Windows memory system is also being updated for high-capacity unified memory. Microsoft is raising the limit on system memory that the GPU can access, which should help with larger AI models and more complex creator projects.

Prism, Microsoft’s emulator for running 32-bit and 64-bit x86 apps on Windows on Arm, has also been tuned for RTX Spark. The update is meant to improve performance for developers, creators, and gaming workloads running through emulation.

The Surface Laptop Ultra is part of the next Copilot+ PC wave and is being positioned for local agentic AI work. Microsoft is optimizing Windows for agents with OS enforced identity, containment, and management controls.

Nvidia is bringing OpenShell to Windows, built on Microsoft’s new security and containment primitives. Hermes Agent and OpenClaw will integrate OpenShell and these Windows features into their apps, allowing users to run agents locally with more control over what they can access.

Nvidia says RTX Spark is designed for personal agents, local models, creative workflows, RTX gaming, and full CUDA support in a single platform. The company also lists support for 90GB plus 3D scenes, 12K 4:2:2 video editing, 4K AI video generation, and 120 billion parameter LLMs with up to 1 million tokens of context.

Microsoft and Nvidia are also working on app and game compatibility for RTSpark-powered Windows on Arm PCs.

Creative apps such as Blender, DaVinci Resolve, Maxon Cinema4D, Maxon Redshift, Topaz Photo, CapCut, Cubase, Bitwig Studio, and Affinity by Canva already run natively on ARM, while Adobe Photoshop and Premiere are native and are receiving extra optimizations for RTX Spark.

For gaming, Microsoft lists native anti-cheat support from Epic’s Easy Anti-Cheat and BattlEye, expanded Prism emulator compatibility, and Xbox PC app support. Riot Games is bringing League of Legends and Valorant to the platform, while Krafton’s PUBG: Battlegrounds will also join the supported catalog. Other listed titles include Pragmata, Alan Wake 2, Naraka: Bladepoint , and War Thunder .

The Surface Laptop Ultra is scheduled to arrive later this year, though Microsoft has not announced pricing yet. The company notes that the laptop is still a pre-release product, and final features may vary by country or region.

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