Windows laptops start running large models locally: RTX Spark packs 128GB unified memory and a petaflop into the chassis
NVIDIA and Microsoft said they are co-engineering hardware and software for AI agents on Windows PCs, with RTX Spark laptops on preorder now and shipping October 16, offering up to 128GB unified memory and a petaflop of FP4 compute so a 125B-class model runs locally, unmetered.