What is more performant in Linq multiple order by?

Question

which of the sorted lists below is more performant:

var sortedList = data.OrderBy(row => row.Fullname).ThenBy(row => row.Age);

or this one:

var sortedList = from row in data 
                 orderby row.Fullname, row.Age
                 select row;

Answer 1

Query syntax is being converted to Method syntax by compiler, so they are the same.

Answer 2

They both will be converted to the same expression.