Xiaomi Redmi Y1 vs Xiaomi Redmi 4A vs Xiaomi Redmi 4 comparison

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Ratings
Overall NDTV Rating-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Camera Rating-
General
Release dateNovember 2017November 2016November 2016-
Form factorTouchscreenTouchscreenTouchscreen-
Dimensions (mm)153.00 x 76.20 x 7.70139.50 x 70.40 x 8.50139.30 x 69.90 x 8.65-
Weight (g)153.00131.50150.00-
Battery capacity (mAh)308031204100-
Removable batteryNoNoNo-
ColoursGold, Dark GreyGolden, Rose Gold, Dark GreyGold, Black-
SAR Value1.09---
Display
Screen size (inches)5.505.005.00-
TouchscreenYesYesYes-
Resolution720x1280 pixels720x1280 pixels720x1280 pixels-
Pixels per inch (PPI)-296296-
Hardware
Processor1.4GHz octa-core1.4GHz quad-core1.4GHz octa-core-
Processor makeQualcomm Snapdragon 435Qualcomm Snapdragon 425Qualcomm Snapdragon 435-
RAM3GB2GB3GB-
Internal storage32GB16GB32GB-
Expandable storageYesYesYes-
Expandable storage typemicroSDmicroSDmicroSD-
Expandable storage up to (GB)128128128-
Camera
Rear camera13-megapixel13-megapixel13-megapixel-
Front camera16-megapixel5-megapixel5-megapixel-
Software
Operating SystemAndroid 7.0Android 6.0Android 6.0.1-
SkinMIUI 9MIUI 8MIUI 8-
Connectivity
Wi-FiYesYesYes-
Wi-Fi standards supported802.11 b/g/n802.11 a/b/g/n802.11 b/g/n-
GPSYesYesYes-
BluetoothYes, v 4.10Yes, v 4.10Yes, v 4.10-
NFCNoNoNo-
InfraredYesYesYes-
Headphones3.5mm3.5mm3.5mm-
FMYesYesYes-
Number of SIMs222-
SIM1
SIM TypeNano-SIMMicro-SIMMicro-SIM-
GSM/CDMAGSMGSMGSM-
3GYesYesYes-
4G/LTEYesYesYes-
SIM2
SIM TypeNano-SIMMicro-SIMMicro-SIM-
GSM/CDMAGSMGSMGSM-
3GYesYesYes-
4G/LTEYesYesYes-
Sensors
Compass/ MagnetometerYesNoYes-
Proximity sensorYesYesYes-
AccelerometerYesYesYes-
Ambient light sensorYesYesYes-
GyroscopeYesYesYes-
BarometerNoNoNo-
Temperature sensorNoNoNo-