Nvidia announced its new Blackwell Ultra GPU architecture, built on a 3-nanometer process, claiming 40% higher energy efficiency and 30% better training throughput than H100 series. CEO Jensen Huang highlighted its optimization for multimodal and agentic AI workloads. The GPUs will power next-generation supercomputers and major cloud platforms by early 2026. Nvidia’s share price rose 3.5% in after-hours trading following the announcement.