Oppo A3s vs Xiaomi Redmi 6 Pro vs Xiaomi Redmi Y2 vs Xiaomi Redmi Note 4 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
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)156.20 x 75.60 x 8.20149.33 x 71.68 x 8.75160.73 x 77.26 x 8.10151.00 x 76.00 x 8.30
Weight (g)168.00178.00170.00175.00
Battery capacity (mAh)4230400030804100
ColoursRed, Dark PurpleGold, Blue, Black, RedDark Grey, Gold, Rose GoldGold, Grey, Matte Black
Release date-September 2018June 2018August 2016
Launched in India-YesYesYes
Body type-MetalPlastic-
Removable battery-NoNoNo
Wireless charging-No--
SAR value-0.961.12-
display
Screen size (inches)6.205.845.995.50
TouchscreenYesYesYesYes
Resolution720x1520 pixels1080x2280 pixels720x1440 pixels1080x1920 pixels
Aspect ratio19:919:918:916:9
Pixels per inch (PPI)-432-401
hardware
Processor1.8GHz octa-core2GHz octa-core (8x2GHz)2GHz octa-core2GHz octa-core
Processor makeSnapdragon 450Qualcomm Snapdragon 625Snapdragon 625Qualcomm Snapdragon 625
RAM2GB4GB3GB4GB
Internal storage16GB64GB32GB64GB
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)256256256128
Dedicated microSD slot-YesYes-
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)12-megapixel (f/2.2, 1.25-micron) + 5-megapixel12-megapixel (f/2.2, 1.25-micron)13-megapixel (f/2.0, 1.12-micron)
Rear autofocusYesPhase detection autofocus-Phase detection autofocus
Rear flashLEDLEDLEDDual LED
Front camera8-megapixel (f/2.2)5-megapixel16-megapixel5-megapixel (f/2.0)
Front flash-NoLED-
software
Operating systemAndroid 8.1 OreoAndroid 8.1 OreoAndroid 8.1 OreoAndroid 6.0
SkinColorOS 5.1MIUI 9.6MIUI 9.5MIUI 8
connectivity
Wi-FiYesYesYesYes
GPSYesYesYesYes
BluetoothYes, v 4.20Yes, v 4.20Yes, v 4.20Yes, v 4.10
Micro-USBYesYesYesYes
Headphones3.5mm3.5mm3.5mm3.5mm
Wi-Fi standards supported-802.11 a/b/g/n802.11 b/g/n802.11 a/b/g/n
NFC-No-No
Infrared-YesYesYes
USB OTG-Yes-Yes
USB Type-C-No--
FM-Yes-Yes
Number of SIMs-222
Active 4G on both SIM cards-No--
sensors
Compass/ MagnetometerYesYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Face unlock-Yes--
3D face recognition-No--
Fingerprint sensor-YesYesYes
Ambient light sensor-YesYesYes
Gyroscope-YesYesYes
Barometer---No
Temperature sensor---No
sim 1
SIM Type-Nano-SIMNano-SIMMicro-SIM
GSM/CDMA-GSMGSMGSM
3G-YesYesYes
4G/ LTE-YesYesYes
sim 2
SIM Type-Nano-SIMNano-SIMNano-SIM
GSM/CDMA-GSMGSMGSM
3G-YesYesYes
4G/ LTE-YesYesYes