NVIDIA's RTX Spark is an AI "superchip" that will power Windows laptops and desktops by staff@engadget.com (Devindra Hardawar) from Engadget - Technology News & Expert Reviews on 2026-06-01 04:42 (#760E7) NVIDIA claims the new RTX Spark chip for PCs will offer 1 petaflop of AI computing power.