Xiaomi Redmi 4A vs Xiaomi Redmi 4 vs Xiaomi Mi 4S comparison

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Ratings
Overall NDTV Rating--
Design Rating--
Display Rating--
Software Rating--
Performance Rating--
Camera Rating--
General
Release dateNovember 2016November 2016February 2016-
Form factorTouchscreenTouchscreenTouchscreen-
Dimensions (mm)139.50 x 70.40 x 8.50139.30 x 69.90 x 8.65139.26 x 70.76 x 7.80-
Weight (g)131.50150.00133.00-
Battery capacity (mAh)312041003260-
Removable batteryNoNoNo-
ColoursGolden, Rose Gold, Dark GreyGold, BlackWhite, Black, Gold, Pink-
Display
Screen size (inches)5.005.005.00-
TouchscreenYesYesYes-
Resolution720x1280 pixels720x1280 pixels1080x1920 pixels-
Pixels per inch (PPI)296296441-
Hardware
Processor1.4GHz quad-core1.4GHz octa-corehexa-core-
Processor makeQualcomm Snapdragon 425Qualcomm Snapdragon 435Qualcomm Snapdragon 808-
RAM2GB3GB3GB-
Internal storage16GB32GB64GB-
Expandable storageYesYesYes-
Expandable storage typemicroSDmicroSDmicroSD-
Expandable storage up to (GB)128128--
Camera
Rear camera13-megapixel13-megapixel13-megapixel-
Front camera5-megapixel5-megapixel5-megapixel-
Software
Operating SystemAndroid 6.0Android 6.0.1Android 6-
SkinMIUI 8MIUI 8MIUI 7-
Connectivity
Wi-FiYesYesYes-
Wi-Fi standards supported802.11 a/b/g/n802.11 b/g/n802.11 b/g/n/ac-
GPSYesYesYes-
BluetoothYes, v 4.10Yes, v 4.10Yes, v 4.10-
NFCNoNoNo-
InfraredYesYesYes-
Headphones3.5mm3.5mm3.5mm-
FMYesYesNo-
Number of SIMs222-
SIM1
SIM TypeMicro-SIMMicro-SIM--
GSM/CDMAGSMGSMGSM-
3GYesYesYes-
4G/LTEYesYesYes-
SIM2
SIM TypeMicro-SIMMicro-SIM--
GSM/CDMAGSMGSMGSM-
3GYesYesYes-
4G/LTEYesYesYes-
Sensors
Compass/ MagnetometerNoYesNo-
Proximity sensorYesYesYes-
AccelerometerYesYesYes-
Ambient light sensorYesYesYes-
GyroscopeYesYesYes-
BarometerNoNoNo-
Temperature sensorNoNoNo-