Xiaomi Mi A2 vs Xiaomi Redmi Note 4 vs Xiaomi Redmi 4 vs Xiaomi Redmi Y2 comparison

Compare Xiaomi Mi A2
Compare Xiaomi Redmi Note 4
Compare Xiaomi Redmi 4
Compare Xiaomi Redmi Y2
ratings
Overall NDTV RatingRead ReviewRead ReviewRead ReviewRead Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display5.99-inch5.50-inch5.00-inch5.99-inch
Processorocta-core 2GHz octa-core1.4GHz octa-core2GHz octa-core
Front Camera20-megapixel 5-megapixel 5-megapixel16-megapixel
Resolution1080x2160 pixels1080x1920 pixels720x1280 pixels720x1440 pixels
RAM4GB4GB3GB3GB
OSAndroid 8.1 OreoAndroid 6.0Android 6.0.1Android 8.1 Oreo
Storage64GB64GB32GB32GB
Rear Camera12-megapixel + 20-megapixel 13-megapixel 13-megapixel12-megapixel
Battery Capacity3000mAh4100mAh4100mAh3080mAh
general
Release dateJuly 2018August 2016November 2016June 2018
Launched in IndiaYesYesYesYes
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)158.70 x 75.40 x 7.30151.00 x 76.00 x 8.30139.30 x 69.90 x 8.65160.73 x 77.26 x 8.10
Weight (g)168.00175.00150.00170.00
Battery capacity (mAh)3000410041003080
Removable batteryNoNoNoNo
ColoursBlack, Gold, Lake Blue, Rose GoldGold, Grey, Matte BlackGold, BlackDark Grey, Gold, Rose Gold
Body type---Plastic
SAR value---1.12
display
Screen size (inches)5.995.505.005.99
TouchscreenYesYesYesYes
Resolution1080x2160 pixels1080x1920 pixels720x1280 pixels720x1440 pixels
Aspect ratio18:916:916:918:9
Pixels per inch (PPI)403401296-
Protection type--Gorilla Glass-
hardware
Processorocta-core (4x2.2GHz + 4x1.8GHz)2GHz octa-core1.4GHz octa-core2GHz octa-core
Processor makeQualcomm Snapdragon 660Qualcomm Snapdragon 625Qualcomm Snapdragon 435Snapdragon 625
RAM4GB4GB3GB3GB
Internal storage64GB64GB32GB32GB
Expandable storageNoYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)-128128256
Dedicated microSD slot---Yes
camera
Rear camera12-megapixel (f/1.8, 1.25-micron) + 20-megapixel (f/1.8, 1.0-micron)13-megapixel (f/2.0, 1.12-micron)13-megapixel12-megapixel (f/2.2, 1.25-micron)
Rear autofocusPhase detection autofocusPhase detection autofocus--
Rear flashDual LEDDual LEDLEDLED
Front camera20-megapixel (f/2.2, 1.0-micron)5-megapixel (f/2.0)5-megapixel16-megapixel
Front flashLED--LED
software
Operating systemAndroid 8.1 OreoAndroid 6.0Android 6.0.1Android 8.1 Oreo
Skin-MIUI 8MIUI 8MIUI 9.5
connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n802.11 b/g/n802.11 b/g/n
GPSYesYesYesYes
BluetoothYes, v 5.00Yes, v 4.10Yes, v 4.10Yes, v 4.20
NFCYesNoNo-
USB OTGYesYesYes-
HeadphonesNo3.5mm3.5mm3.5mm
Number of SIMs2222
Infrared-YesYesYes
Micro-USB-YesYesYes
FM-YesYes-
sim 1
SIM TypeNano-SIMMicro-SIMMicro-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sensors
Fingerprint sensorYesYesYesYes
Compass/ MagnetometerYesYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeYesYesYesYes
Barometer-NoNo-
Temperature sensor-NoNo-