iOS Ref

Resolution by iOS device

All tables are ordered by release date, then logical resolution height, with some exceptions.

iPhone

Device Diagonal size Logical resolution Scale factor Actual resolution Aspect ratio PPI
iPhone 13 Pro Max
and 12 Pro Max
6.7" 428 × 926 @3x 1284 × 2778 9 : 19.5 458
iPhone 13 / 13 Pro
and 12 / 12 Pro
6.1" 390 × 844 1170 × 2532 460
iPhone 13 mini
and 12 mini
5.4" 360 × 780 1080 × 2340 476
iPhone 11 Pro Max
and XS Max
6.5" 414 × 896 1242 × 2688 458
iPhone 11 Pro
and XS, X
5.8" 375 × 812 1125 × 2436
iPhone 11
and XR
6.1" 414 × 896 @2x 828 × 1792 326
iPhone 8+
and 7+, 6s+, 6+
5.5" 414 × 736 @3x 1 1242 × 2208 1 9 : 16 401
iPhone SE (gen 2)
and 8, 7, 6s, 6
4.7" 375 × 667 @2x 750 × 1334 326
iPhone SE (gen 1)
and 5s, 5c, 5
4" 320 × 568 640 × 1136
iPhone 4s
and 4
3.5" 320 × 480 640 × 960 3 : 4
iPhone 3GS
and 3G, gen 1
320 × 480 @1x 320 × 480 163

1 Downsampled to actual pixel dimensions 1080 × 1920. See here for explanation.

iPad

Device Diagonal size Logical resolution Scale factor Actual resolution Aspect ratio PPI
iPad Pro 12.9" (gen 5)
and Pro 12.9" (gen 4), Pro 12.9" (gen 3), Pro 12.9" (gen 2), Pro 12.9" (gen 1)
12.9" 1024 × 1366 @2x 2048 × 2732 3 : 4 264
iPad Pro 11" (gen 3)
and Pro 11" (gen 2), Pro 11" (gen 1)
11" 834 × 1194 1668 × 2388
iPad Air (gen 4) 10.9" 820 × 1180 1640 × 2360 16 : 23
iPad (gen 9)
and iPad (gen 8), iPad (gen 7)
10.2" 810 × 1080 1620 × 2160 3 : 4
iPad mini (gen 6) 8.3" 744 × 1133 1488 × 2266 ? 326
iPad Air (gen 3)
and iPad Pro 10.5"
10.5" 834 × 1112 1668 × 2224 3 : 4 264
iPad (gen 6)
and iPad (gen 5), iPad Pro 9.7", Air 2, Air (gen 1), iPad 4, iPad (gen 3)
9.7" 768 × 1024 1536 × 2048
iPad mini (gen 5)
and mini 4, mini 3, mini 2
7.9" 326
iPad mini (gen 1) @1x 768 × 1024 163
iPad (gen 2)
and iPad (gen 1)
9.7" 132

Apple Watch

Device Diagonal size Logical/actual resolution Aspect ratio PPI
Apple Watch 45mm
Series 7
TBD TBD TBD TBD
Apple Watch 41mm
Series 7
Apple Watch 44mm
Series 6, SE, 5, 4
1.73" 368 × 448 4 : 5 326
Apple Watch 40mm
Series 6, SE, 5, 4
1.57" 324 × 394
Apple Watch 42mm
Series 3, 2, 1, 0
1.5" 312 × 390
Apple Watch 38mm
Series 3, 2, 1, 0
1.32" 272 × 340

iPod touch

Device Identical to Diag. size Logical resolution Scale factor Actual resolution Aspect ratio PPI
iPod touch (gen 7)
and gen 6, gen 5
iPhone SE (gen 1), 5s, 5c, 5 4" 320 × 568 @2x 640 × 1136 9 : 16 326
iPod touch (gen 4) iPhone 4s, 4 3.5" 320 × 480 640 × 960 3 : 4
iPod touch (gen 3)
and gen 2, gen 1
iPhone 3GS, 3G, gen 1 @1x 320 × 480 163

Further reading