What's the difference between a Hass avocado and a regular avocado?

Question

But I was just at the grocery store and the Hass avocados were half as big as the regular ones.

Answer 1

The taste are the same, just Haas avocados are available all year round versus the regular avocado

Answer 2

A Haas avocado are the big avocados you see in the supermarkets. The small avocados are just regular ones. That's the main difference.