Spring can be used for multiple programming languages, while Spring Boot is specialized in building Java applications. 

Spring Boot has automatic configurations which make it simple to use. 

Spring Boot was built on top of Spring. 

Spring Boot originated modular architecture and testability within the framework. 

With Spring Boot, much less configuration is needed to start a new project.

Spring Boot can handle much greater amounts of data compared to Spring. 

There is no need to set up a separate web server, as it will be packaged along with the application in a single file.

It comes bundled with functionalities that are necessary for managing and monitoring an application in production.

Choosing Maven to build Spring Boot applications.

Naming a file index.html turns it into the homepage of the application.

Adding a web dependency to Spring Boot configures the Tomcat web server to run on port 8080.

Using Spring Initializr helps start a project structure in minutes.