NVIDIA puts a personal AI supercomputer in a 14mm laptop: RTX Spark ships, with GPU sharing between agents and apps
NVIDIA's RTX Spark laptops are now on sale from ASUS, Dell, HP, Lenovo, Microsoft and MSI starting at $2,599, pairing a Blackwell RTX GPU with a Grace CPU on one superchip with up to 128GB of unified memory and up to 1 petaflop of FP4 AI performance. The accompanying updates include Nemotron 3.5 Transcribe, an open weight speech model that handles transcription, speaker labeling and translation in one promptable model across 40 languages, ranking No. 1 on Hugging Face Open ASR with about 4.3 billion active parameters. A new NVIDIA App resource control lets users split GPU resources between foreground apps and background agents.