Apple iPhone 8 vs Apple iPhone 7 vs Apple iPhone 6s Plus vs Apple iPhone 6 comparison

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Ratings
Overall NDTV Rating-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for money Rating-
General
Release dateSeptember 2017September 2016September 2015September 2014
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)138.40 x 67.30 x 7.30138.30 x 67.10 x 7.10158.20 x 77.90 x 7.30138.10 x 67.00 x 6.90
Weight (g)148.00138.00192.00129.00
Battery capacity (mAh)-196027501810
Removable batteryNoNoNoNo
ColoursSilver, Space Gray, GoldRed, Rose Gold, Gold, Silver, Black, Jet BlackSilver, Gold, Space Gray, Rose GoldSilver, Gold, Space Gray
SAR ValueNANANANA
Display
Screen size (inches)4.704.705.504.70
TouchscreenYesYesYesYes
Resolution750x1334 pixels750x1334 pixels1080x1920 pixels750x1334 pixels
Pixels per inch (PPI)326326401326
Hardware
Processorhexa-corequad-core--
Processor makeApple A11 BionicApple A10 FusionA9Apple A8
RAM-2GB2GB1GB
Internal storage64GB32GB16GB16GB
Expandable storageNoNoNoNo
Camera
Rear camera12-megapixel12-megapixel12-megapixel8-megapixel
FlashYesYesYesYes
Front camera7-megapixel7-megapixel5-megapixel1.2-megapixel
Software
Operating SystemiOS 11iOS 10iOS 9iOS 8.0
Connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n/ac802.11 a/b/g/n/ac802.11 a/b/g/n
GPSYesYesYesYes
BluetoothYes, v 5.00Yes, v 4.20Yes, v 4.20Yes, v 4.20
NFCYesYesYesYes
InfraredNoNoNoNo
Headphones--3.5mm3.5mm
FMNoNoNoNo
Number of SIMs1111
SIM1
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/LTEYesYesYesYes
Sensors
Compass/ MagnetometerYesYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeYesYesYesYes
BarometerYesYesYesYes
Temperature sensorNoNoNoNo