Thundurus Incarnate's BST is 580. Its stats are 079 in HP, 115 in Attack, 070 in Defense, 125 in Special Attack, 080 in Special Defense, and 111 in Speed. In its Therian Forme, it receives -10 in both Attack and Speed, no change in both Defense and Special Defense, and +20 in Special Attack.
Zapdos' BST is 580. Its stats are 090 in HP and Attack and Special Defense, 085 in Defense, 125 in Special Attack, and 100 in Speed.
Raikou's BST is 580. Its stats are 090 in HP, 085 in Attack, 075 in Defense,115 in Special Attack and Speed, and 100 in Special Defense.
Thundurus can learn Normal-, Electric-, Fighting-, Ghost-, and Dark-type moves through level-up. It can also learn Normal-, Electric-, Grass-, Fighting-, Poison-, Flying-, Psychic-, Bug-, Rock-, Dark-, and Steel-type moves as TMs.
Zapdos can learn Electric-, Flying-, and Rock-type moves through level-up. It can also learn Normal-, Electric-, Flying-, Bug-, and Steel-type moves as TMs.
Raikou can learn Normal-, Electric-, Psychic-, and Dark-type moves through level-up. It can also learn Normal-, Electric-, Ground-, Ghost-, and Dark-type moves as TMs.
Thundurus is an Electric/Flying-type: which makes it immune to only Ground; resistant to Grass, Fighting, Flying, Bug, and Steel; and weak to Ice and Rock.
Zapdos is the same type as Thundurus.
Raikou is a pure-Electric-type: which makes it resistant to Electric, Flying, and Steel; and weak to Ground only.
By typing, Raikou only has 1 weakness, whereas the other two have.....2 weaknesses. Both Thundurus and Zapdos have 1 immunity, whereas Raikou doesn't. Also, both Thundurus and Zapdos have 5 resistances, whereas Raikou only has 3 resistances.
By moves, Thundurus can learn 6 different types of moves through level-up as well as 11 different types of moves as TMs.