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
Battery Life Rating
Camera Rating
Value for money 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-
SAR ValueNANANANA
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
FlashYesYesYesYes
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
FMNoNoNoNo
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