The most resolution of the HP Z Display Z24 is 2160p. That's over two times the resolution of a 1080p LCD screen, which is the most common resolution. 1080p is also found on this HP PC screen. This PC screen also have a 1600p and 720p video mode.
This PC display's resolution (2160p) is in fact the best resolution across all flatpanel monitors of this age and type.
Across comparable types of PC display the worst resolution is 480i.