It’s my pleasure to explain to you halogen vs xenon headlights as below.

Xenon headlights are brighter than halogen.

But halogen has stronger penetrating than xenon headlights.

Meanwhile, halogen headlights are smaller size than xenon headlights, so they are easy to be installation.

Meanwhile, xenon headlights are longer life time than halogen.

In order to make you clearly our halogen and xenon headlights, I will show you pictures as below.

If you have different idea about halogen vs xenon headlights, please inform me quickly.