Buy for the Smaller, Lighter Design & Colors
While the Retina Display is the same size as the outgoing model, the smaller bezels allow Apple to make the 2019 MacBook Air smaller and more portable than the 2017 model. It is the same size as the 2018 model.
It's 17% smaller in volume than the 2017 MacBook Air. That means it is easier to stick in a bag, easier to use on an airplane and ultimately much more portable.
The new MacBook Air is 15.6mm thick and it weighs 2.75 pounds. Apple offers the MacBook Air in Silver, Space Gray and Gold color options.