Winsage
June 1, 2026
Nvidia unveiled its RTX Spark superchip on May 31st, combining a 20-core Arm-based Grace CPU with a Blackwell RTX GPU, marking its entry into the Windows PC market. The chip features up to 128GB of unified memory, 1 petaflop of AI compute capability, and 6,144 CUDA cores. It will debut in laptops and compact desktops from manufacturers like ASUS, Dell, HP, Lenovo, Microsoft Surface, and MSI, with Acer and GIGABYTE expected to follow. Microsoft collaborated with Nvidia to develop new Windows security features for on-device AI agents. The RTX Spark, previously known as N1X, has been in development for three years, with initial reports in 2023 and delays attributed to advancements in Arm technology and notebook demand. Microsoft's Windows on Arm initiative, previously exclusive to Qualcomm, has opened opportunities for MediaTek, Nvidia, and AMD. The RTX Spark aims to enhance local AI applications, with Adobe reengineering its software for the platform and over 100 software vendors supporting it. However, challenges remain, including reliance on x86 emulation and delays in the next-generation Windows on Arm platform. Pricing details are scarce, but the RTX Spark is expected to be positioned at a premium price point.