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Xiaomi Mi A2 vs Xiaomi Redmi Note 4X vs Xiaomi Redmi Note 4 comparison

 Compare Xiaomi Mi A2
Xiaomi Mi A2
Compare Xiaomi Redmi Note 4X
Xiaomi Redmi Note 4X
Compare Xiaomi Redmi Note 4
Xiaomi Redmi Note 4
ratings
Overall NDTV RatingRead Review-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display5.99-inch5.50-inch5.50-inch
ProcessorQualcomm Snapdragon 660Qualcomm Snapdragon 625Qualcomm Snapdragon 625
Front Camera20-megapixel 5-megapixel5-megapixel
Rear Camera12-megapixel + 20-megapixel 13-megapixel13-megapixel
RAM4GB3GB4GB
Storage64GB32GB64GB
Battery Capacity3000mAh4100mAh4100mAh
OSAndroid 8.1 OreoAndroid 6.0Android 6.0
Resolution1080x2160 pixels1080x1920 pixels1080x1920 pixels
general
BrandXiaomiXiaomiXiaomi
ModelMi A2Redmi Note 4XRedmi Note 4
Release dateJuly 1, 2018February 1, 2017August 1, 2016
Launched in IndiaYes-Yes
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)158.70 x 75.40 x 7.30151.00 x 76.00 x 8.45151.00 x 76.00 x 8.30
Weight (g)168.00165.00175.00
Battery capacity (mAh)300041004100
Removable batteryNoNoNo
ColoursBlack, Gold, Lake Blue, Rose GoldCherry Powder, Champagne Gold, Platinum Silver Grey, Matte Black, Hatsune Miku Exclusive ColourGold, Grey, Matte Black
display
Screen size (inches)5.995.505.50
TouchscreenYesYesYes
Resolution1080x2160 pixels1080x1920 pixels1080x1920 pixels
Aspect ratio18:9-16:9
Pixels per inch (PPI)403403401
hardware
Processorocta-core (4x2.2GHz + 4x1.8GHz)2GHz octa-core2GHz octa-core
Processor makeQualcomm Snapdragon 660Qualcomm Snapdragon 625Qualcomm Snapdragon 625
RAM4GB3GB4GB
Internal storage64GB32GB64GB
Expandable storageNoYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)-128128
camera
Rear camera12-megapixel (f/1.8, 1.25-micron) + 20-megapixel (f/1.8, 1.0-micron)13-megapixel13-megapixel (f/2.0, 1.12-micron)
Rear autofocusPhase detection autofocus-Phase detection autofocus
Rear flashDual LEDYesDual LED
Front camera20-megapixel (f/2.2, 1.0-micron)5-megapixel5-megapixel (f/2.0)
Front flashLED--
software
Operating systemAndroid 8.1 OreoAndroid 6.0Android 6.0
Skin--MIUI 8
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n802.11 a/b/g/n
GPSYesYesYes
BluetoothYes, v 5.00Yes, v 4.20Yes, v 4.10
NFCYesNoNo
USB OTGYesYesYes
HeadphonesNo3.5mm3.5mm
Number of SIMs222
Wi-Fi DirectYesNoNo
Infrared-YesYes
FM-YesYes
Mobile High-Definition Link (MHL)-NoNo
Micro-USB--Yes
sim 1
SIM TypeNano-SIMMicro-SIMMicro-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sensors
Fingerprint sensorYes-Yes
Compass/ MagnetometerYesYesYes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYesYesYes
GyroscopeYesYesYes
Barometer-NoNo
Temperature sensor-NoNo

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