Oppo A77 vs Motorola Moto E4 Plus vs Xiaomi Redmi Note 4 vs Xiaomi Redmi 3S 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 dateMay 2017June 2017August 2016June 2016
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)-155.00 x 77.50 x 9.55151.00 x 76.00 x 8.30139.30 x 69.60 x 8.50
Weight (g)153.00181.00175.00144.00
Battery capacity (mAh)3200500041004100
Removable batteryNoNoNoNo
ColoursGold, Rose GoldIron Grey, Fine GoldGold, Grey, Matte BlackGrey, Silver, Gold
SAR ValueNANANANA
Display
Screen size (inches)5.505.505.505.00
TouchscreenYesYesYesYes
Resolution1080x1920 pixels720x1280 pixels1080x1920 pixels720x1280 pixels
Pixels per inch (PPI)-267401-
Hardware
Processor1.5GHz octa-core1.3GHz quad-core2GHz octa-core1.1GHz octa-core
Processor makeMediaTek MT6750TMediaTek MTK6737MQualcomm Snapdragon 625Qualcomm Snapdragon 430
RAM4GB3GB4GB2GB
Internal storage64GB32GB64GB16GB
Expandable storageYesYesYesYes
Expandable storage type-microSDmicroSDmicroSD
Expandable storage up to (GB)128128128128
Camera
Rear camera13-megapixel13-megapixel13-megapixel13-megapixel
FlashYesYesYesYes
Front camera16-megapixel5-megapixel5-megapixel5-megapixel
Software
Operating SystemAndroid 6.0Android 7.1.1Android 6.0Android 6.0.1
SkinColorOS 3.0-MIUI 8MIUI 7
Connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supportedNA802.11 b/g/n802.11 a/b/g/n802.11 b/g/n
GPSYesYesYesYes
BluetoothYesYes, v 4.10Yes, v 4.10Yes, v 4.10
NFCNoNoNoNo
InfraredNoNoYesYes
Headphones3.5mmYes3.5mm3.5mm
FMNoNoYesYes
Number of SIMs2222
SIM1
SIM TypeNano-SIMNano-SIMMicro-SIMMicro-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/LTEYesYesYesYes
SIM2
SIM TypeNano-SIMNano-SIMMicro-SIMMicro-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/LTEYesYesYesYes
Sensors
Compass/ MagnetometerNoYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeNoNoYesYes
BarometerNoNoNoNo
Temperature sensorNoNoNoNo