Xiaomi Mi Note 3 vs Xiaomi Mi A1 vs Xiaomi Redmi Note 4 vs Xiaomi Redmi Note 4G 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 dateSeptember 2017September 2017August 2016August 2014
Form factorTouchscreenTouchscreenTouchscreen-
Dimensions (mm)152.60 x 73.95 x 7.60155.40 x 75.80 x 7.30151.00 x 76.00 x 8.30154.00 x 78.70 x 9.45
Weight (g)163.00168.00175.00199.00
Battery capacity (mAh)3500308041003100
Removable batteryNoNoNoYes
ColoursBlack, BlueRose Gold, Gold, BlackGold, Grey, Matte BlackWhite
SAR ValueNANANANA
Display
Screen size (inches)5.505.505.505.50
TouchscreenYesYesYesYes
Resolution1080x1920 pixels1080x1920 pixels1080x1920 pixels720x1280 pixels
Pixels per inch (PPI)403-401267
Hardware
Processorocta-core2GHz octa-core2GHz octa-core1.6GHz quad-core
Processor makeQualcomm Snapdragon 660Qualcomm Snapdragon 625Qualcomm Snapdragon 625Qualcomm Snapdragon 400
RAM6GB4GB4GB2GB
Internal storage64GB64GB64GB8GB
Expandable storageNoYesYesYes
Expandable storage type-microSDmicroSDmicroSD
Expandable storage up to (GB)-12812864
Camera
Rear camera12-megapixel12-megapixel13-megapixel13-megapixel
FlashYesYesYesYes
Front camera16-megapixel5-megapixel5-megapixel5-megapixel
Software
Operating SystemAndroid Android 7.1.2Android 6.0Android 4.4
SkinMIUI 9-MIUI 8MiUI
Connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n/ac802.11 a/b/g/n802.11 b/g/n/ac
GPSYesYesYesYes
BluetoothYes, v 5.00Yes, v 4.20Yes, v 4.10Yes, v 4.00
NFCNoNoNoNo
InfraredYesYesYesNo
Headphones-3.5mm3.5mm3.5mm
FMNoNoYesYes
Number of SIMs2221
SIM1
SIM TypeNano-SIMNano-SIMMicro-SIMRegular
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/LTEYesYesYesYes
SIM2
SIM TypeNano-SIMNano-SIMMicro-SIM-
GSM/CDMAGSMGSMGSM-
3GYesYesYes-
4G/LTEYesYesYes-
Sensors
Compass/ MagnetometerNoYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeYesYesYesYes
BarometerYesNoNoNo
Temperature sensorNoNoNoNo