Question

What is the difference between ¿Cómo te llamas tú? and ¿Cómo se llama Ud.?

Answer 1

Answer:

They both mean the same thing, but formality levels are different.

Explanation:

Tu is more informal. Would be used for friends, peers, younger ones, etc.

Usted is formal. Would be used for teachers, elders, official peoples, etc.