Nvidia pitches RTX Spark as the chip that finally makes local AI agents practical on Windows devices (opens in new tab)

Nvidia is attacking Apple Silicon and Qualcomm on Windows laptops with the RTX Spark. The chip combines a Blackwell GPU with an Arm-based Grace CPU and up to 128 GB of shared memory, with a calculated 1,000 TOPS in FP4. ASUS, Dell, HP, Lenovo, Microsoft Surface, and MSI are set to deliver the first devices from fall 2026.