Design: iPhone screen dimensions

Model	Size	Resolution	DPI	Aspect ratio
iPhone 5, 5s, 5c, SE	4.0 inches	640 x 1136	326	16:9
iPhone 6, 6s, 7, 8	4.7 inches	750 x 1334	326	16:9
iPhone 6 Plus, 6s Plus, 7 Plus, 8 Plus	5.5 inches	1080 x 1920	401	16:9
iPhone X, XS	5.8 inches	1125 x 2436	458	19.5:9
iPhone XR	6.1 inches	828 x 1792	326	19.5:9
iPhone XS Max	6.5 inches	1242 x 2688	458	19.5:9

Source: gsmarena