The first major difference between the two religions is the belief in God; Catholicism believes in an omnipresent, omnipotent God, the Almighty Father, while Buddhism does not. The closest thing to God would be Siddhartha GautamaSiddhartha GautamaGautama Buddha, popularly known as the Buddha (also known as Siddhattha Gotama or Siddhārtha Gautama or Shakyamuni), was an ascetic, a religious leader and teacher who lived in ancient India (c. 6th to 5th century BCE or c. 5th to 4th century BCE).
› wiki › Gautama_BuddhaGautama Buddha - Wikipedia, the first Buddha to achieve spiritual enlightenment.