What was the main difference between the ancient Greek alphabet and the Phoenician alphabet?

The ancient Greek alphabet differed from the Phoenician alphabet in that it contained the presence of vowels and consonants. Ancient Greek historians have discovered that their language was borrowed from the Phoenicians. The Greek and Phoenician alphabets seem to be similar to each other, but as we mentioned earlier, consonants were used in the Phoenician language. Poems were written in Greek, this is the language of philosophy, the New Testament was written in Greek.