How do urban buildings and smart buildings compare with smart cities?

Urban architecture and intelligent architecture are mainly centered on architecture, and smart cities are centered on cities. Intelligent building refers to the optimized combination of building structure, system, service and management according to users' needs, so as to provide users with an efficient, comfortable and convenient humanized building environment. Intelligent building is the product of modern science and technology. Its technical foundation is mainly composed of modern building technology, modern computer technology, modern communication technology and modern control technology.

Smart city uses information and communication technology to perceive, analyze and integrate the key information of the core system of urban operation, so as to make intelligent responses to various needs including people's livelihood, environmental protection, public safety, urban services and industrial and commercial activities. Its essence is to use advanced information technology to realize the intelligent management and operation of the city, so as to create a better life for people in the city and promote the harmonious and sustainable growth of the city.