A Laptop That Ran a 70-Billion-Parameter Model, in a Quarter When Total PC Shipments Fell 20 Percent

Ars Technica's reviewer spent a week with the Surface Laptop Ultra, using it to summarize books and movies, generate images, and run a 70-billion-parameter AI model — a size the reviewer describes as a stretch for most laptops. It is one reviewer's week with a unit Microsoft sent over, not an independent benchmark, but the model size is the concrete claim: not what a spec sheet lists, but what the machine held at once.