MBA 13" Mid 12
Native Resolution: 1440x900
13.3" color widescreen TFT LED-backlit active-matrix "glossy" display with a 1440 by 900 native resolution.
MBP 13" Mid 12
Native Resolution: 1280 by 800
13.3" color widescreen LED-backlit TFT active-matrix "glossy" display with a 1280 by 800 native resolution.
MBP retina 13" 2012
Native Resolution: 2560 by 1600
13.3" color widescreen LED-backlit display with IPS technology with a 2560 by 1600 native resolution at 227 ppi (178-degree viewing angle). It also supports scaled resolutions of 1680 by 1050, 1440 by 900, and 1024 by 640.