I think there's several sub-categories in the nerd culture. Geeks, Dweebs, Nerds, etc.

I think Geeks are the literature/pop culture equivalent of nerds. Whereas nerds deal with more scientific obsessions Geeks deal with more cultural obsessions.

Here's a Nerd/Dweeb/Geek Venn diagram.

https://www.popsugar.com/tech/Geek-vs-Nerd-vs-Dork-vs-Dweeb-...