Two handed unarmed fighter BAB 29, Monk 24.
The monk have a ki attack more than fighter.
The monk deal 2d10 damage instead 1d4. The warrior have weapon training (+4 damage) and 2x weapon specialization (+4 damage). Middle damage 11 vs 10,5.
Using power attack with the weak attack the warrior have -6 damage.
The monk can use flurry for some manoveurs, the warrior can't.
The monk has a better AC while the warrior has more PF.
The monk has abundant step (use it whit dimensional dervish :P), spell resistance and much more.
The fighter is not so good.
And the same is valid for all other classes. Less direct damage, but more fun and possibility!