Oppo A57 vs Xiaomi Redmi Note 4 comparison

 
  Compare Oppo A57 Compare Xiaomi Redmi Note 4
Ratings
Overall NDTV Rating
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for money Rating
General
Release dateNovember 2016August 2016
Form factorTouchscreenTouchscreen
Dimensions (mm)149.10 x 72.90 x 7.65151.00 x 76.00 x 8.30
Weight (g)147.00175.00
Battery capacity (mAh)29004100
Removable batteryNoNo
ColoursRose Gold, GoldGold, Grey, Matte Black
SAR Value1.31NA
Display
Screen size (inches)5.205.50
TouchscreenYesYes
Resolution720x1280 pixels1080x1920 pixels
Pixels per inch (PPI)-401
Hardware
Processor1.4GHz octa-core2GHz octa-core
Processor makeQualcomm Snapdragon 435Qualcomm Snapdragon 625
RAM3GB4GB
Internal storage32GB64GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256128
Camera
Rear camera13-megapixel13-megapixel
FlashYesYes
Front camera16-megapixel5-megapixel
Software
Operating SystemAndroid 6.0Android 6.0
SkinColorOS 3.0MIUI 8
Connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 b/g/n802.11 a/b/g/n
GPSYesYes
BluetoothYes, v 4.10Yes, v 4.10
NFCNoNo
InfraredNoYes
Headphones3.5mm3.5mm
FMYesYes
Number of SIMs22
SIM1
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/LTEYesYes
SIM2
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/LTEYesYes
Sensors
Compass/ MagnetometerYesNo
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
BarometerNoNo
Temperature sensorNoNo