# NVIDIA RTX Spark Debuts on Surface Laptop Ultra

October 7, 2026 at 02:39 PM

> NVIDIA's RTX Spark platform brings native CUDA support and Blackwell-derived GPUs to the Arm-based Microsoft Surface Laptop Ultra.

[NVIDIA](<https://hardwarebrief.com/entity/nvidia-q182477>) has introduced its **RTX Spark** platform, bringing native [CUDA](<https://hardwarebrief.com/entity/cuda-q477690>) support to the **Microsoft Surface Laptop Ultra**. This thin Windows notebook features a hardware stack combining an Arm-based CPU with a [Blackwell](<https://hardwarebrief.com/entity/blackwell-microarchitecture-q125210777>)-derived RTX GPU for high-end mobile performance.

The platform utilizes a unified-memory architecture where the CPU and GPU share a single pool, supporting up to 128GB of capacity. According to the Microsoft Windows Experience Blog, the system runs x86 and x64 software via integrated Windows translation tools.

Designed for compact desktops and thin laptops, RTX Spark delivers up to 1 petaflop of AI compute. The GPU operates within a mobile thermal envelope using specialized laptop firmware to manage power, marking a major shift for professional portable computing.


[#RTXSpark](<https://hardwarebrief.com/hashtag/rtxspark>) #SurfaceLaptopUltra [#Nvidia](<https://hardwarebrief.com/hashtag/nvidia>) #BlackwellGPU #CUDA

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