Oppo A3s vs Redmi Note 5 vs Xiaomi Redmi Note 4 comparison

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key specs
Display6.20-inch5.99-inch5.50-inch
ProcessorQualcomm Snapdragon 450Qualcomm Snapdragon 625Qualcomm Snapdragon 625
Front Camera8-megapixel 5-megapixel5-megapixel
Rear Camera13-megapixel + 2-megapixel 12-megapixel 13-megapixel
RAM2GB4GB4GB
Storage16GB64GB64GB
Battery Capacity4230mAh4000mAh4100mAh
OSAndroid 8.1 OreoAndroid 7.0Android 6.0
Resolution720x1520 pixels1080x2160 pixels1080x1920 pixels
general
BrandOppoXiaomiXiaomi
ModelA3sRedmi Note 5Redmi Note 4
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)156.20 x 75.60 x 8.20158.50 x 75.45 x 8.05151.00 x 76.00 x 8.30
Weight (g)168.00180.00175.00
Battery capacity (mAh)423040004100
ColoursRed, Dark PurpleBlack, Gold, Lake Blue, Rose GoldGold, Grey, Matte Black
Release date-February 1, 2018August 1, 2016
Launched in India-YesYes
Removable battery-NoNo
display
Screen size (inches)6.205.995.50
TouchscreenYesYesYes
Resolution720x1520 pixels1080x2160 pixels1080x1920 pixels
Aspect ratio19:918:916:9
Pixels per inch (PPI)-403401
hardware
Processor1.8GHz octa-core2GHz octa-core2GHz octa-core
Processor makeQualcomm Snapdragon 450Qualcomm Snapdragon 625Qualcomm Snapdragon 625
RAM2GB4GB4GB
Internal storage16GB64GB64GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)256-128
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)12-megapixel (f/2.2, 1.25-micron)13-megapixel (f/2.0, 1.12-micron)
Rear autofocusYesPhase detection autofocusPhase detection autofocus
Rear flashLEDDual LEDDual LED
Front camera8-megapixel (f/2.2)5-megapixel5-megapixel (f/2.0)
Front flash-LED-
software
Operating systemAndroid 8.1 OreoAndroid 7.0Android 6.0
SkinColorOS 5.1MIUI 9MIUI 8
connectivity
Wi-FiYesYesYes
GPSYesYesYes
BluetoothYes, v 4.20Yes, v 4.20Yes, v 4.10
Micro-USBYesYesYes
Headphones3.5mm3.5mm3.5mm
Wi-Fi DirectYesNoNo
Wi-Fi standards supported-802.11 b/g/n802.11 a/b/g/n
NFC-NoNo
Infrared-NoYes
USB OTG-YesYes
FM-YesYes
Number of SIMs-22
Mobile High-Definition Link (MHL)-NoNo
sensors
Compass/ MagnetometerYesYesYes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Fingerprint sensor-YesYes
Ambient light sensor-YesYes
Gyroscope-YesYes
Barometer-NoNo
Temperature sensor-NoNo
ratings
Overall NDTV Rating-Read ReviewRead Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
sim 1
SIM Type-Nano-SIMMicro-SIM
GSM/CDMA-GSMGSM
3G-YesYes
4G/ LTE-YesYes
sim 2
SIM Type-Nano-SIMNano-SIM
GSM/CDMA-GSMGSM
3G-YesYes
4G/ LTE-YesYes
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