Samsung Galaxy S8 vs Xiaomi Redmi 4 vs Apple iPhone 7 vs Samsung Galaxy S7 comparison

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Ratings
Overall NDTV Rating
Design Rating
Display Rating
Software Rating
Performance Rating
Camera Rating
General
Release dateMarch 2017November 2016September 2016February 2016
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)148.90 x 68.10 x 8.00139.30 x 69.90 x 8.65138.30 x 67.10 x 7.10142.40 x 69.60 x 7.90
Weight (g)155.00150.00138.00152.00
Battery capacity (mAh)3000410019603000
Removable batteryNoNoNoNo
ColoursMidnight Black, Orchid Gray, Arctic Silver, Coral Blue, Maple GoldGold, BlackRed, Rose Gold, Gold, Silver, Black, Jet Black-
Display
Screen size (inches)5.805.004.705.10
TouchscreenYesYesYesYes
Resolution1440x2960 pixels720x1280 pixels750x1334 pixels1440x2560 pixels
Pixels per inch (PPI)570296326577
Hardware
Processor1.9GHz octa-core1.4GHz octa-corequad-core1.6GHz octa-core
Processor makeSamsung Exynos 8895Qualcomm Snapdragon 435Apple A10 Fusion-
RAM4GB3GB2GB4GB
Internal storage64GB32GB32GB32GB
Expandable storageYesYesNoYes
Expandable storage typemicroSDmicroSD-microSD
Expandable storage up to (GB)256128-200
Camera
Rear camera12-megapixel13-megapixel12-megapixel12-megapixel
Front camera8-megapixel5-megapixel7-megapixel5-megapixel
Software
Operating SystemAndroid 7.0Android 6.0.1iOS 10Android 6.0
Skin-MIUI 8--
Connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 b/g/n802.11 a/b/g/n/ac802.11 a/b/g/n/ac
GPSYesYesYesYes
BluetoothYesYes, v 4.10Yes, v 4.20Yes, v 4.20
NFCYesNoYesYes
InfraredNoYesNoNo
Headphones3.5mm3.5mm-3.5mm
FMNoYesNoNo
Number of SIMs1212
SIM1
SIM Type-Micro-SIMNano-SIM-
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/LTEYesYesYesYes
SIM2
SIM Type-Micro-SIM--
GSM/CDMA-GSM-GSM
3G-Yes-Yes
4G/LTE-Yes-Yes
Sensors
Compass/ MagnetometerYesYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeYesYesYesYes
BarometerNoNoYesYes
Temperature sensorNoNoNoNo