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The Surface Laptop Ultra is Microsoft's most powerful Surface yet, built around the NVIDIA RTX Spark N1X superchip that pairs a CPU of up to 20 cores with a Blackwell RTX GPU and an NPU for up to one petaflop of AI compute. Up to 128 GB of unified memory is shared between CPU and GPU, so it can run local AI models up to 120B parameters and render heavy scenes without a discrete card's copy overhead. It is a 15-inch touchscreen machine aimed at developers, creators and AI tinkerers who want workstation-class local compute in a laptop. Against conventional thin-and-lights it trades portability and battery life for GPU and AI throughput; against RTX gaming laptops it offers more unified memory and a cleaner business build, but fewer gaming-tuned extras.
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The Surface Laptop Ultra is a 15-inch business laptop built around the NVIDIA RTX Spark chip. The chip combines an CPU, an NVIDIA Blackwell RTX GPU and an NPU. It delivers up to one petaflop of AI compute and can run models of up to 120B parameters locally. It supports the NVIDIA CUDA ecosystem and the Windows AI stack.
CPU and GPU share a pool of unified memory, so memory can go wherever a workload needs it. Running AI on the device helps keep sensitive data private and latency low. Apps can use the GPU for AI noise reduction, intelligent masking, video upscaling and code completion. The thermal system is built to sustain performance, and the laptop keeps its performance on battery for up to 15 hours of use.
The 15-inch Mini-LED PixelSense Ultra touchscreen uses local dimming for deep blacks and bright highlights. It supports HDR and covers 100% of the DCI-P3 color space, for color-critical work. The SSD is easily accessible for repair or replacement. The Surface 140W USB-C Power Adapter for Business is made for this laptop.
