NVIDIA Unveils Arm-Based RTX Spark Gaming PCs
A 20-core Grace CPU fused to a 5070-class Blackwell GPU — NVIDIA is finally coming for x86 gaming laptops.
NVIDIA's Computex reveal of RTX Spark is the company's most direct shot yet at the x86 gaming PC: a 20-core Arm-based Grace CPU paired with a 6,144-CUDA-core Blackwell GPU — roughly RTX 5070-class — sharing 128GB of unified memory and pushing up to a petaflop of AI compute. ASUS, Dell, HP, Lenovo, Microsoft Surface, and MSI all have systems coming this fall, which means every major OEM just agreed to ship gaming-capable Windows-on-Arm machines with NVIDIA silicon end to end. The unified memory design is the Apple Silicon playbook aimed squarely at Intel and AMD's most profitable segment. The open question is game compatibility — Windows-on-Arm emulation has burned early adopters before, and a 5070-class GPU bottlenecked by translation layers is a worse deal than the laptop it replaces. Alongside Spark, NVIDIA is shipping DLSS 4.5 with an upgraded Ray Reconstruction model in August — the kind of software lever that matters most when raw silicon is fighting an emulation tax. If the compatibility story holds, fall 2026 is when the x86 gaming monopoly officially gets an expiration date.