While both kinds of technology produce essentially the same result, there are benefits and drawbacks to both when trying to determine if a holographic sight is better than a reflex red dot. Generally speaking, holographic sights will be larger and more expensive than their reflex counterparts because of the advanced technology that goes into them versus a reflex optic. If you want to use a magnifier in front of a reflex sight, your dot will get proportionally larger, too. However, this is not the case with a holographic sight.