No talk= Deadpool is serious business, a bit unfocused and doesn't even try. In a fight he would just parry every move. Talking= Traditional Deadpool. The jokster who beats people up with ease.

Its like Spider-Man, during a few "dark times" his villains realize that a silent Spider-Man is damn near lethal and always a losing fight, but when he's joking around he's nowhere near as brutal