Webstandard uses a xenon light source, laser uses laser. Resolution is the same but it's crisper, brighter, more colorful. Most imax also uses xenon, dolby uses dual laser,. Webapr 1, 2015 · imax with laser. Webimax with laser is a massive improvement over digital liemax and pretty comparable to dolby cinema. They both rely on similar dual 4k laser projector setups, and the imax.