As I said, it's the 27". Too big for one window, too small for 2. Its pixel density has the same problem by the way: it's denser than the usual low-density HD s

As I said, it's the 27". Too big for one window, too small for 2. Its pixel density has the same problem by the way: it's denser than the usual low-density HD screens, but it's also nowhere near "retina". I have a low-cost HP Pavillon 23" HD monitor on both sides of it.