Let's compare (I've excluded the interludes from Stripped as well as the worst song from BTW aka "The Queen"):
Can't Hold Us Down vs Marry The Night
Walk Away vs Born This Way
Fighter vs Government Hooker
Infatuation vs Judas
Loving Me 4 Me vs Americano
Impossible vs Hair
Underappreciated vs Scheisse
Beautiful vs Bloody Mary
Make Over vs Black Jesus + Amen Fashion
Cruz vs Bad Kids
Soar vs Fashion of His Love
Get Mine, Get Yours vs Highway Unicorn
Dirrty vs Heavy Metal Lover
The Voice Within vs Electric Chapel
I'm OK vs You and I (tie, I really can't decide, both songs are amazing)
Keep On Singing My Song vs The Edge of Glory (tie again)
Stripped: 12/ BTW: 2
I love both artists to death but overall Stripped is much more cohesive than BTW, thus managing to convey the message of self-love and empowerment in a better and more genuine way. Not to mention the lack of fillers (to me at least) and the fact that it still manages to sound fresh after all those years.