Microsoft and Nvidia reunite on Arm: Surface Laptop Ultra packs a custom RTX Spark chip
Nearly a decade after Microsoft wrote off $900 million on a failed bet involving an Arm-based Nvidia chip for its original Surface, the two companies are trying again. Today, Microsoft and Nvidia jointly announced the Surface Laptop Ultra, a flagship Windows portable built around a new Arm-based Nvidia processor. The device marks a renewed partnership aimed at finally delivering high-performance Arm computing on Windows.
The Original Bet and Its Cost
Microsoft’s first attempt to use an Arm-based Nvidia chip in a flagship Windows portable ended in a costly failure. The original Microsoft Surface, the company's debut in the portable PC market, relied on an Arm-based Nvidia processor, but the bet went sour. Microsoft ultimately had to write off $900 million after the device failed to gain traction, a stark reminder of the risks involved in pioneering new silicon architectures for Windows. That experience has shaped the company’s cautious approach to Arm-based systems ever since.
The Surface Laptop Ultra and Its Custom Silicon
The Surface Laptop Ultra is the result of a new collaboration between Microsoft and Nvidia, and at its core sits a custom Arm-based Nvidia chip. The processor is called the RTX Spark, and it is designed specifically for this device. Unlike off-the-shelf Arm chips from Qualcomm or MediaTek, the RTX Spark is a bespoke silicon solution that Nvidia and Microsoft co-developed to optimize performance for Windows on Arm. The chip integrates Nvidia’s RTX graphics architecture, promising improved graphical capabilities for a thin-and-light form factor.
Performance and Positioning
The Surface Laptop Ultra is positioned as a flagship Windows portable, directly competing with Apple’s MacBook Air and other premium Arm-based laptops. By pairing a custom Arm processor with Nvidia’s GPU technology, Microsoft aims to deliver better battery life and sustained performance than previous Arm-based Windows devices. The RTX Spark chip is expected to handle demanding tasks such as video editing, 3D rendering, and light gaming, areas where earlier Arm-based Windows laptops have struggled. Nvidia’s involvement suggests that the chip includes dedicated tensor cores for artificial intelligence workloads, though exact specifications have not been disclosed.
Design and Availability
The Surface Laptop Ultra retains the familiar Surface design language with a slim magnesium chassis and a high-resolution PixelSense display. It is available for preorder starting today, June 01, 2026, with shipments expected later this month. Pricing starts at $1,299 for the base configuration, which includes 16 gigabytes of RAM and 256 gigabytes of storage. Higher-end models with up to 32 gigabytes of RAM and 1 terabyte of storage are also available. The device runs a specialized version of Windows 11 optimized for the custom Arm chip, including native support for x86 emulation.
Market Context
As of June 01, 2026, the cryptocurrency market shows modest declines. Bitcoin is trading at $73,378, down 0.9% over the past 24 hours. Ethereum is at $1,995.24, a 1.7% decrease in the same period.