NVIDIA at Computex 2026: RTX Spark Gaming Hands-On, DLSS 4.5, and More

TechPowerUp reports from Computex 2026 in Taipei, where NVIDIA invited the press to a hands-on walkthrough of the RTX Spark platform spread across multiple rooms covering gaming, creator, and AI workloads. Everything ran on Microsoft Surface Laptops, with Microsoft engineers present throughout — a clear signal that Redmond is fully committed to making Windows on Arm succeed this time around. In a notable revelation, Microsoft disclosed that it has made several kernel-level optimizations to Windows 11 specifically for RTX Spark's heterogeneous Arm architecture, changes that were notably never made for Qualcomm's Snapdragon X platforms. This OS-level investment, combined with the rebuilt Windows 11 task scheduler, positions RTX Spark as a first-class Windows citizen from day one rather than a compatibility afterthought.

At the heart of the RTX Spark platform is NVIDIA's N1X chip, which pairs a custom 20-core Grace Arm-based CPU with a Blackwell RTX GPU packing 6,144 CUDA cores and 5th Generation Tensor Cores with FP4 math precision, all connected via NVLink-C2C at 600 GB/s. The chip supports up to 128 GB of LPDDR5X unified memory in a 45–80 W power envelope (H-segment), and NVIDIA claims up to 1 petaFLOP/s of AI compute — enough to run 120-billion-parameter large language models entirely on-device. A lower-end N1 variant with 5,120 CUDA cores is also in the pipeline, targeting more mainstream price points below the N1X's premium positioning. TechPowerUp notes that the RTX Spark platform is not strictly a laptop play — NVIDIA also showcased compact desktop mini PCs and the DGX Spark workstation, targeting creators and developers who want the same silicon in a stationary form factor. The publication speculates that NVIDIA's 45–80 W power envelope makes N1X (or a derivative) a compelling candidate for handheld gaming consoles, and that the chip could eventually compete with semi-custom AMD designs for the next-generation Xbox or PlayStation.

The hands-on gaming demos, running via DLSS 4.5 with Ray Reconstruction and Multi Frame Generation, represent one of the first detailed third-party reports confirming that RTX Spark can deliver fluid AAA gaming performance on Arm-based Windows laptops — a critical proof point for skeptical gamers who have historically dismissed Windows on Arm as incapable of serious gaming. TechPowerUp's Computex coverage positions this as a defining moment for NVIDIA's consumer computing ambitions, with the platform's combination of RTX 5070-class GPU performance, dedicated AI acceleration, and Arm efficiency creating a new category of PC that neither Intel, AMD, nor Apple currently offer in a single integrated chip.