In the AI era, power is the ultimate constraint, and every AI factory operates within a hard limit. This makes performance per watt—the rate at which power is converted into revenue-generating intelligence—the defining metric for modern AI infrastructure. AI data centers now operate as token factories tied directly to the energy ecosystem, where access to land, power, and shell determines deployment, and efficiency determines output. Increasing revenue within a fixed power envelope depends entirely on maximizing intelligence per watt across AI infrastructure and across the five-layer AI cake ecosystem. This post walks through how NVIDIA architectures, systems, and AI factory software maximize performance per watt at every layer of the stack, and how those efficiency gains translate into higher token throughput and revenue per megawatt.…