You should be reading "3 nm" as "3 nm equivalent". It doesn't mean anything is 3nm, it's just the simplest way of expressing transistor density without making p

You should be reading "3 nm" as "3 nm equivalent". It doesn't mean anything is 3nm, it's just the simplest way of expressing transistor density without making people transition to a different measurement they are not used to. I would personally like Tr/μm², but I'm fine with nm too.