> It's difficult to notice any pixelation on a 27" screen at a resolution of 2560x1440 Not once you are used to a retina display. I have both a retina Macbook

> It's difficult to notice any pixelation on a 27" screen at a resolution of 2560x1440 Not once you are used to a retina display. I have both a retina Macbook Pro, and a 27" iMac. It is actually really obvious, especially when looking at text. > you're probably not going to be able to read text at 5120x2880 without zooming This is correct, unless you use the standard retina resolution which is like 2560x1440 except doubled, so everything is the same size just much nicer looking.