Xiaomi Redmi Y1 vs Xiaomi Redmi Y1 Lite 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 2017November 2016November 2016
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)153.00 x 76.20 x 7.70-139.50 x 70.40 x 8.50139.30 x 69.90 x 8.65
Weight (g)153.00150.00131.50150.00
Battery capacity (mAh)3080308031204100
Removable batteryNoNoNoNo
ColoursGold, Dark GreyGold, Dark GreyGolden, Rose Gold, Dark GreyGold, Black
SAR Value1.09---
Display
Screen size (inches)5.505.505.005.00
TouchscreenYesYesYesYes
Resolution720x1280 pixels720x1280 pixels720x1280 pixels720x1280 pixels
Pixels per inch (PPI)--296296
Hardware
Processor1.4GHz octa-core1.4GHz quad-core1.4GHz quad-core1.4GHz octa-core
Processor makeQualcomm Snapdragon 435Qualcomm Snapdragon 425Qualcomm Snapdragon 425Qualcomm Snapdragon 435
RAM3GB2GB2GB3GB
Internal storage32GB16GB16GB32GB
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)128128128128
Camera
Rear camera13-megapixel13-megapixel13-megapixel13-megapixel
Front camera16-megapixel5-megapixel5-megapixel5-megapixel
Software
Operating SystemAndroid 7.0Android 7.0Android 6.0Android 6.0.1
SkinMIUI 9MIUI 9MIUI 8MIUI 8
Connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 b/g/n802.11 a/b/g/n802.11 a/b/g/n802.11 b/g/n
GPSYesYesYesYes
BluetoothYes, v 4.10Yes, v 4.10Yes, v 4.10Yes, v 4.10
NFCNoNoNoNo
InfraredYesNoYesYes
Headphones3.5mm3.5mm3.5mm3.5mm
FMYesYesYesYes
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/ MagnetometerYesYesNoYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeYesYesYesYes
BarometerNoNoNoNo
Temperature sensorNoNoNoNo