Difference between a default post type and a custom post type?

Every archive is a posts archive, the main post archive being the homepage, if you want to move posts to a different URL, you can go to the readins settings and declare a page to be the posts page. Note that this page then acts as a placeholder purely for slug/URL purposes. You can’t change its page template to change the template of that page.

Additionally, there are the options on the permalinks page, posts also have date archives.

But everything else is the same as custom post types, and taxonomy archives work identically for both