iPad:

Device	Portrait Pixels	Landscape Pixels	Portrait Logical Resolution	Landscape Logical Resolution
iPad Mini (Legacy) iPad Mini 1st Generation	768 x 1024 px	1024 x 768 px	768 x 1024 points	1024 x 768 points
iPad Mini Retina iPad Mini 2nd, 3rd, 4th and 5th Generation	1536 x 2048 px	2048 x 1536 px	768 x 1024 points	1024 x 768 points
iPad (Legacy) 1st and 2nd Generation	768 x 1024 px	1024 x 768 px	768 x 1024 points	1024 x 768 points
iPad 9.7-inch Retina iPad 3rd, iPad 4th, iPad Air 1st, iPad Air 2nd, iPad Pro 9.7-inch, iPad 5th, iPad 6th Generation	1536 x 2048 px	2048 x 1536 px	768 x 1024 points	1024 x 768 points
iPad 10.2-inch iPad 7th Generation	1620 x 2160 px	2160 x 1620 px	810 x 1080 points	1080 x 810 points
iPad 10.5-inch iPad Pro 10.5, iPad Air 3rd Generation	1668 x 2224 px	2224 x 1668 px	834 x 1112 points	1112 x 834 points
iPad Pro 11-inch iPad Pro 11-inch 1st and 2nd Generation	1668 x 2388 px	2388 x 1668 px	834 x 1194 points	1194 x 834 points
iPad Pro 12.9-inch iPad Pro 12.9-inch 1st, 2nd, 3rd and 4th Generation	2048 x 2732 px	2732 x 2048 px	1024 x 1366 points	1366 x 1024 points

iPhone

Device	Portrait Pixels	Landscape Pixels	Portrait Logical Resolution	Landscape Logical Resolution
iPhone (Legacy) & iPod Touch 1st, 2nd and 3rd Generation	320 x 480 px	480 x 320 px	320 x 480 points	480 x 320 points
iPhone 3.5-inch iPhone 4, iPhone 4S	640 x 960 px	960 x 640 px	320 x 480 points	480 x 320 points
iPhone 4-inch iPhone 5, iPhone 5S, iPhone 5C, iPhone SE	640 x 1136 px	1136 x 640 px	320 x 568 points	568 x 320 points