iPhone 6 Plus736x414 points2208x1242 pixels3x scale1920x1080 physical pixels401 physical ppi5.5"
iPhone 6667x375 points1334x750 pixels2x scale1334x750 physical pixels326 physical ppi4.7"
iPhone 5568x320 points1136x640 pixels2x scale1136x640 physical pixels326 physical ppi4.0"
iPhone 4480x320 points960x640 pixels2x scale960x640 physical pixels326 physical ppi3.5"
iPhone 3GS480x320 points480x320 pixels1x scale480x320 physical pixels163 physical ppi3.5"
