* Is more cautious and skeptical of the witches' prophecies than Macbeth.
* Does not immediately believe that he will become king and is more hesitant to take action to make it happen.
* Feels guilty about the murder of Duncan and is haunted by visions of him.
* Is eventually killed by Macbeth, who fears that he will pose a threat to his throne.
Macbeth
* Is more ambitious and driven than Banquo and is more willing to take risks to achieve his goals.
* Is more easily swayed by the witches' prophecies and is quick to take action to make them happen.
* Feels no guilt about the murder of Duncan and is willing to do whatever it takes to stay in power.
* Is eventually defeated and killed by Macduff, who avenges Duncan's death.