What are the stat differences between Litten and Rowlet?

Litten stats: HP 45, ATK 65, DEF 40, SP.ATK 60, SP.DEF 40, SPD 70. Rowlet stats: HP 68, ATK 55, DEF 55, SP.ATK 50, SP.DEF 50, SPD 42.

Which Pokemon is faster: Litten or Rowlet?

Litten is faster with 70 speed compared to Rowlet's 42.

Total: 320

Total: 320

Litten: 3 wins | Rowlet: 3 wins

45 HP +23 68

65 +10 Attack 55

40 Defense +15 55

60 +10 Sp. Attack 50

40 Sp. Defense +10 50

70 +28 Speed 42

320 Total 320

Both Pokemon have identical total stats of 320! It's a tie with 3 stat wins each.

Litten is faster with 70 speed (28 points faster than Rowlet). This means Litten will likely attack first in battle.