HSPA+ will hit real-world speeds in the 10s of megabits, but HSPA won't. Both are technically in the "3G" spec, though, you're right about that. But they were marketed/branded as 4G almost immediately.

> But they were marketed/branded as 4G almost immediately

That was just a US thing though, right? Where I lived it was branded "Turbo 3G".

Isn't LTE already being branded as 5G in the US as well?