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Short name
iPhone 8iPhone 7iPhone 6siPhone 6
Image
Height138.4 mm138.3 mm138.3 mm138.1 mm
Width67.3 mm67.1 mm67.1 mm67 mm
Depth7.3 mm7.1 mm7.1 mm6.9 mm
Weight148 g138 g143 g129 g
Storage
Built-in memory64 GB, 128 GB, 256 GB32 GB, 128 GB, 256 GB16 GB, 32 GB, 64 GB, 128 GB16 GB, 32 GB, 64 GB, 128 GB
External memoryNoNoNoNo
Screen
Screen size4.7 in4.7 in4.7 in4.7 in
Screen resolution1334x7501334x7501334x7501334x750
Pixel density326 ppi326 ppi326 ppi326 ppi
HDRNoNoNoNo
Camera
Resolution12 megapixels12 megapixels12 megapixels8 megapixels
FlashYes Quad led True ToneYes Quad-LEDYes True ToneYes True Tone
Optical zoomNoNoNoNo
Max. video resolution4K @60fps4K @30fps4K @30fps1920×1080 @60fps
Video callYes FacetimeYes FacetimeYes FacetimeYes Facetime
Optical Image StabilizationYesYesNoNo
Front cameraYes 7 MPYes 7 MPYes 5MPYes 1.2 MP
Product details
ProcessorApple A11 BionicApple A10 Fusion (64bit)Apple A9, 64bitApple A8, 64bit
RAM2 GB2 GB2 GB1 GB
SIM card formatNano-SIMNano-SIMNano-SIMNano-SIM
ConnectorLightning connectorLightning connectorLightning connectorLightning connector
Headphone jackNoNoYesYes
Connectivity
Wi-FiYes 802.11 a/b/g/n/acYes 802.11a/b/g/n/acYes 802.11 a/b/g/n/acYes 802.11 a/b/g/n/ac
Bluetooth®Yes 5.0Yes 4.2Yes 4.2Yes 4.0
4G LTEYesYesYesYes
Sensors
AccelerometerYesYesYesYes
GyroscopeYesYesYesYes
BarometerYesYesYesYes
Ambient light sensorYesYesYesYes
Proximity sensorYesYesYesYes
Fingerprint sensorYes Touch ID (2nd)Yes Touch ID (2nd)Yes Touch ID (2nd)Yes Touch ID
Battery
Wireless chargingYes Qi-compatibleNoNoNo
Battery capacity1,821 mAh1,960 mAh1,715 mAh1,810 mAh
Standby10 days (up to)240 h
Talk time20 h14 h (3G)14 h14 h
Other
NFCYes with reader modeYes with reader modeYesYes
Wireless paymentYes Apple PayYes Apple PayYes Apple PayYes Apple Pay
Voice recognition (builtin)Yes SiriYes SiriYes SiriYes Siri
Face recognitionNoNoNoNo
WaterproofYes IP67Yes IP67NoNo
ColorsSilver, Gold, Space GrayRose Gold, Gold, Silver, Black, Jet BlackSilver, Gold, Space Gray, Rose GoldSilver, Space Gray, Gold
Release dateSep. 15th 2017 Sep. 16th 2016 Sep. 12th 2015 Sep. 9th 2014
Websiteapple.com/...apple.com/...apple.com/...apple.com/...