I would like to know differences in weight between the 11 and 14" versions. Also, if the 11" laptop size is proportional to the screen, and not just same enclos

I would like to know differences in weight between the 11 and 14" versions. Also, if the 11" laptop size is proportional to the screen, and not just same enclosure as the 14" with more margin filled with plastic around the screen (ugly).