Both 225 pounds, Barnes an inch taller. Both great athletes advantage Brown. Both weak passers. Barnes like Brown stuck behind a stack roster and was no better than a fourth option. Barnes didn't break out until arriving at Dallas he scored 19.2 ppg with them, but avg about 13 ppg with Warriors.
Per 36 rookie year
Barnes 13.1 ppg 5.8 rpg 1.7 APG .9 spg 1.8 to 3.3 FTA
Brown 13.8 ppg 5.9 rpg 1.7 APG .9 spg 1.8 to 3.3 FTA
Barnes shot better from three and Ft%, Brown has the better FG% and TS%