Well, the acting in Training Day is more about the internal struggle of the characters, especially the rookie cop. Denzel Washington really drives this home with his nuanced performance. In Pulp Fiction, the acting is more about the interactions between the characters. The actors play off each other really well, creating these really interesting and often hilarious moments. For example, the way Samuel L. Jackson delivers his lines with such charisma and the way John Travolta reacts to him is a big part of what makes Pulp Fiction so great. In Training Day, it's more about the individual character's journey through a corrupt world.
In Training Day, Denzel Washington's acting is very intense and brooding. He portrays a complex character with many layers of corruption and moral ambiguity. In Pulp Fiction, the actors like John Travolta and Samuel L. Jackson have a more laid - back yet highly engaging style. They bring out the humor and the oddness of their characters.