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 Gold-Gold, 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-core1.4GHz quad-core2GHz octa-core1.1GHz octa-core
Processor makeMediaTek MT6750TMediaTek MTK6737MQualcomm Snapdragon 625Qualcomm Snapdragon 430
RAM4GB2GB4GB2GB
Internal storage64GB16GB64GB16GB
Expandable storageYesYesYesYes
Expandable storage type-microSDmicroSDmicroSD
Expandable storage up to (GB)128-128128
Camera
Rear camera13-megapixel13-megapixel13-megapixel13-megapixel
FlashYesYesYesYes
Front camera16-megapixel5-megapixel5-megapixel5-megapixel
Software
Operating SystemAndroid 6.0Android 7.1Android 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 SIMs2122
SIM1
SIM TypeNano-SIM-Micro-SIMMicro-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/LTEYesYesYesYes
SIM2
SIM TypeNano-SIM-Micro-SIMMicro-SIM
GSM/CDMAGSM-GSMGSM
3GYes-YesYes
4G/LTEYes-YesYes
Sensors
Compass/ MagnetometerNoYesNoYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeNoNoYesYes
BarometerNoNoNoNo
Temperature sensorNoNoNoNo