Strongest Units In Game

Anyone know of a link or a youtube that talks about the strongest units in the game?

Turk’s Sipahi is really strong (for light cav)
Frank’s Knight is really strong ( for knight )
Japanese Samurai & Chinese Palace Guard are strongest infantry
Turk’s Great Bombard is stongest ( for siege )
Briton’s Longbowmen is really strong ( for archer )
Frank’s Arbalest’s are so good ( for Xbow )
Russian Strelet’s are so good ( for hand cannoneer )