A few differences between Hinduism and Buddhism are
1. Buddhism does not have the concept of God whereas Hinduism does.
2. Buddhism does not have the caste system whereas Hinduism does.
3. Buddhism is a monastic religion with monks living in monastries and dedicating their entire life to prayer. Hinduism does not have such a practice.
4. Buddhism does not believe in the Vedas whereas Hinduism does.
5. Buddhism is a guide to practical living whereas Hinduism focuses more on the afterlife and how one can gain freedom from the cycle of birth and rebirth.