The first distinction between the two beliefs lies in the number of gods: the Hindu Trimurti consists of three gods, whereas Catholicism believes in one God.
The second difference concerns the roles of the gods. In the Hindu Trimurti, each god has a specific function within the universe, while in Catholicism, the three persons of the Trinity all constitute the same God.
Lastly, the nature of the gods varies between the two beliefs. In the Hindu Trimurti, each god is a separate entity; however, in Catholicism, all three persons of the Trinity are part of one God.