It's most visible with the macbooks because you have the retina display and the low dpi display next to each other. In short: you probably want to get at least

It's most visible with the macbooks because you have the retina display and the low dpi display next to each other. In short: you probably want to get at least a 4k display anyway, but if you want to delay that, you should buy BetterDisplay. The difference is night and day.