Questions about example sentences with, and the definition and usage of "Supersede"

A: The new iphone23 will supersede the iphone22

A: "The older models have been superseded."

Supersede means to replace, take the place of, or to take over from.

A: to supersede means to change something with something better but replacing doesn’t have to be better.

e.g

The iPhone 13 supersedes the iPhone 11.

I replaced my green iPhone 13 with a red one.

A: Supersede can mean replace, but there is often the sense that the previous version has been rendered invalid, less functional, less appropriate, less effective.

The newly released version 2.1 of our software supersedes all previous versions.

Replace does not necessarily carry this connotation. It can just mean swapping one thing for another.

I replaced the hard drive on my computer with one I had lying around, but it still isn't working right.

A: They mean the same but supersede is more common.