FW 109 was 1500 kg heavier than Bf 109. It was also faster (FW 190 A-8 was 16 kph faster than Bf 109 G-6) but it didn't climb as fast as Bf 109 (at 15 m/s compared to 17 m/s of Bf 109). FW 190 was much better armed than Bf 109 - it had 2 machine guns above the engine and four cannons in the wings. Bf 109 had only one cannon and two machine guns.