Also depends on use cases. Everyone's is different. I could probably run all the code that's on one of my servers (dozens of different applications that server

Also depends on use cases. Everyone's is different. I could probably run all the code that's on one of my servers (dozens of different applications that server hundreds of users) off a modern android phone. People use RasPis as servers and PCs all the time, and a top-end android phone can often do more.