01.Their songs are more upbeat
02.No one in the group looks like AJ (Chris doesn't anymore & Joey doesn't count!)
03.They act like children
04.They sound more mellow
05.No one in the group is related
06.N Sync uses more harmony
07.N Sync tends to have more fun during interviews
08.They wear FUBU and can get away with it!
09.They all have a valid drivers license
10.They do more choreography
11.They don't have the same choreographer
12.Disney concert was done before they were big
13.Their name is orginial
14.Their bus is better looking than BSB's
15.They didn't know who the Backstreet Boys were when they formed the group.