Neither model has lost any pixels. These displays are higher resolution in both dimensions for both models. The smaller model has gone from 1680x1050 to 1920x10

Neither model has lost any pixels. These displays are higher resolution in both dimensions for both models. The smaller model has gone from 1680x1050 to 1920x1080 (+30 vertical pixels) and the larger from 1920x1200 to 2560x1440 (+240 vertical pixels).