This is only my opinion
Gimme More V.s. Womanizer
Old Winner: Womanizer
Winner now: Gimme More
2. Piece Of Me V.s. Circus
Winner: Piece Of Me
3. Radar V.s. Out From Under
Winner: Radar
4. Break The Ice V.s. Kill The Lights
Winner: Break The Ice
5. Heaven On Earth V.s. Shattered Glass
Winner: Heaven On Earth
6. Get Naked V.s. If U Seek Amy
Winner: If U Seek Amy
Winner Now: Get Naked
7. Freakshow V.s. Unusual You
Winner: Unusual You
8. Toy Soldier V.s. Blur
Winner: Toy Soldier
9. Hot As Ice V.s. Mmm Papi
Winner: Hot As Ice
Winner Now: Mmm Papi
10. Ooh Ooh Baby V.s. Mannequin
Winner: Ooh Ooh Baby
11. Perfect Lover V.s. Lace And Leather
Winner: Perfect Lover
12. Why Should I Be Sad V.s. My Baby
Winner: Why Should I Be Sad
Now for bonus tracks (only digital reissues and deluxe)
13. Get Back V.s. Rock Me In
Winner: Rock Me In
Winner Now: Get Back
14. Everybody V.s. Phonography
Winner: Phonography
So this winner overall for me is....
Blackout!