<P> The displays are manufactured worldwide by different suppliers . Currently, the iPad's display comes from Samsung, while the MacBook Pro, iPhone, and iPod Touch displays are made by LG Display and Japan Display Inc . There was a shift of display technology from twisted nematic (TN) liquid - crystal displays (LCDs) to in - plane switching (IPS) LCDs starting with the iPhone 4 models in June 2010 . </P> <P> Apple markets the following devices as having a Retina Display, Retina HD Display, Super Retina HD Display, or Retina 4K / 5K Display: </P> <Table> <Tr> <Th> Model </Th> <Th> Marketing name </Th> <Th> Screen size </Th> <Th> Resolution </Th> <Th_colspan="2"> Pixel density </Th> <Th> Pixel size (mm) </Th> <Th> Angular pixel density (px / °; at typ . distance) </Th> <Th> Typical viewing distance </Th> <Th> Total pixels </Th> </Tr> <Tr> <Th> (ppi) </Th> <Th> (px / cm) </Th> </Tr> <Tr> <Td> Apple Watch 38mm </Td> <Td> Retina Display </Td> <Td> 1.32 in (34 mm) </Td> <Td> 272 × 340 </Td> <Td> 326 </Td> <Td> 128 </Td> <Td> 0.0779 </Td> <Td> 56.9 </Td> <Td> 10 in (25 cm) </Td> <Td> 92,480 </Td> </Tr> <Tr> <Td> Apple Watch 42mm </Td> <Td> 1.54 in (39 mm) </Td> <Td> 312 × 390 </Td> <Td> 326 </Td> <Td> 128 </Td> <Td> 0.0779 </Td> <Td> 56.9 </Td> <Td> 121,680 </Td> </Tr> <Tr> <Td> iPhone 4, and 4S and iPod Touch (4th generation) </Td> <Td> 3.5 in (89 mm) </Td> <Td> 960 × 640 </Td> <Td> 326 </Td> <Td> 128 </Td> <Td> 0.0779 </Td> <Td> 56.9 </Td> <Td> 614,400 </Td> </Tr> <Tr> <Td> iPhone 5, 5C, 5S and SE and iPod Touch (5th generation, 6th generation) </Td> <Td> 4 in (100 mm) </Td> <Td> 1136 × 640 </Td> <Td> 56.9 </Td> <Td> 727,040 </Td> </Tr> <Tr> <Td> iPhone 6, iPhone 6S, iPhone 7 and iPhone 8 </Td> <Td> Retina HD Display </Td> <Td> 4.7 in (120 mm) </Td> <Td> 1334 × 750 </Td> <Td> 56.9 </Td> <Td> 1,000,500 </Td> </Tr> <Tr> <Td> iPhone 6 Plus, iPhone 6S Plus, iPhone 7 Plus and iPhone 8 Plus </Td> <Td> 5.5 in (140 mm) </Td> <Td> 1920 × 1080 </Td> <Td> 401 </Td> <Td> 158 </Td> <Td> 0.0633 </Td> <Td> 70.0 </Td> <Td> 2,073,600 </Td> </Tr> <Tr> <Td> iPhone X </Td> <Td> Super Retina HD Display </Td> <Td> 5.8 in (150 mm) </Td> <Td> 2436x1125 </Td> <Td> 458 </Td> <Td> 180 </Td> <Td> 0.0555 </Td> <Td> 79.9 </Td> <Td> 2,740,500 </Td> </Tr> <Tr> <Td> iPad Mini 2, 3, and 4 </Td> <Td> Retina Display </Td> <Td> 7.9 in (200 mm) </Td> <Td> 2048 × 1536 </Td> <Td> 326 </Td> <Td> 128 </Td> <Td> 0.0779 </Td> <Td> 85.4 </Td> <Td> 15 in (38 cm) </Td> <Td> 3,145,728 </Td> </Tr> <Tr> <Td> iPad (3rd, 4th generation, Air, Air 2, Pro, and 5th generation / 2017) </Td> <Td> 9.7 in (250 mm) </Td> <Td> 264 </Td> <Td> 104 </Td> <Td> 0.096 </Td> <Td> 69.1 </Td> </Tr> <Tr> <Td> iPad Pro (10.5) </Td> <Td> 10.5 in (270 mm) </Td> <Td> 2224 × 1668 </Td> <Td> 3,709,632 </Td> </Tr> <Tr> <Td> iPad Pro (12.9) </Td> <Td> 12.9 in (330 mm) </Td> <Td> 2732 × 2048 </Td> <Td> 69.3 </Td> <Td> 5,595,136 </Td> </Tr> <Tr> <Td> MacBook (Retina) 12" </Td> <Td> 12 in (300 mm) </Td> <Td> 2304 × 1440 </Td> <Td> 226 </Td> <Td> 89 </Td> <Td> 0.11 </Td> <Td> 79.0 </Td> <Td> 20 in (51 cm) </Td> <Td> 3,317,760 </Td> </Tr> <Tr> <Td> MacBook Pro (3rd generation) 13" </Td> <Td> 13.3 in (340 mm) </Td> <Td> 2560 × 1600 </Td> <Td> 227 </Td> <Td> 79.2 </Td> <Td> 4,096,000 </Td> </Tr> <Tr> <Td> MacBook Pro (3rd generation) 15" </Td> <Td> 15.4 in (390 mm) </Td> <Td> 2880 × 1800 </Td> <Td> 221 </Td> <Td> 87 </Td> <Td> 0.12 </Td> <Td> 77.0 </Td> <Td> 5,184,000 </Td> </Tr> <Tr> <Td> iMac with Retina 4K Display 21.5" </Td> <Td> Retina 4K Display </Td> <Td> 21.5 in (550 mm) </Td> <Td> 4096 × 2304 </Td> <Td> 219 </Td> <Td> 86 </Td> <Td> 76.3 </Td> <Td> 9,437,184 </Td> </Tr> <Tr> <Td> iMac with Retina 5K Display 27 ", and iMac Pro </Td> <Td> Retina 5K Display </Td> <Td> 27 in (690 mm) </Td> <Td> 5120 × 2880 </Td> <Td> 218 </Td> <Td> 76.0 </Td> <Td> 14,745,600 </Td> </Tr> </Table> <Tr> <Th> Model </Th> <Th> Marketing name </Th> <Th> Screen size </Th> <Th> Resolution </Th> <Th_colspan="2"> Pixel density </Th> <Th> Pixel size (mm) </Th> <Th> Angular pixel density (px / °; at typ . distance) </Th> <Th> Typical viewing distance </Th> <Th> Total pixels </Th> </Tr>

What is the resolution of apple retina display
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