Oppo A83 (2018) vs Oppo A83 vs Xiaomi Redmi Note 4 comparison

Compare Oppo A83 (2018)
Compare Oppo A83
Compare Xiaomi Redmi Note 4
key specs
Display5.70-inch5.70-inch5.50-inch
ProcessorMediaTek MT6737TMediaTek MT6737TQualcomm Snapdragon 625
Front Camera8-megapixel8-megapixel5-megapixel
Rear Camera13-megapixel13-megapixel13-megapixel
RAM4GB3GB4GB
Storage64GB32GB64GB
Battery Capacity3180mAh3180mAh4100mAh
OSAndroid 7.1Android 7.1Android 6.0
Resolution720x1440 pixels720x1440 pixels1080x1920 pixels
general
BrandOppoOppoXiaomi
ModelA83 (2018)A83Redmi Note 4
Release dateDecember 1, 2017December 1, 2017August 1, 2016
Launched in IndiaYes-Yes
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)150.50 x 73.10 x 7.70150.50 x 73.10 x 7.70151.00 x 76.00 x 8.30
Weight (g)143.00143.00175.00
Battery capacity (mAh)318031804100
Colours-Champagne, BlackGold, Grey, Matte Black
Removable battery--No
display
Screen size (inches)5.705.705.50
TouchscreenYesYesYes
Resolution720x1440 pixels720x1440 pixels1080x1920 pixels
Aspect ratio18:918:916:9
Pixels per inch (PPI)--401
hardware
Processor2.5GHz octa-core2.5GHz octa-core2GHz octa-core
Processor makeMediaTek MT6737TMediaTek MT6737TQualcomm Snapdragon 625
RAM4GB3GB4GB
Internal storage64GB32GB64GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)256256128
camera
Rear camera13-megapixel13-megapixel13-megapixel (f/2.0, 1.12-micron)
Rear flashLEDLEDDual LED
Front camera8-megapixel8-megapixel5-megapixel (f/2.0)
Rear autofocus--Phase detection autofocus
software
Operating systemAndroid 7.1Android 7.1Android 6.0
SkinColorOS 3.2ColorOS 3.2MIUI 8
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 a/b/g/n802.11 a/b/g/n802.11 a/b/g/n
GPSYesYesYes
BluetoothYes, v 4.20Yes, v 4.20Yes, v 4.10
NFCNoNoNo
InfraredNoNoYes
USB OTGYesYesYes
Headphones3.5mm3.5mm3.5mm
FMYesYesYes
Number of SIMs222
Micro-USB-YesYes
Wi-Fi Direct--No
Mobile High-Definition Link (MHL)--No
sim 1
SIM TypeNano-SIMNano-SIMMicro-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sensors
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYesYesYes
Face unlock-Yes-
Fingerprint sensor--Yes
Compass/ Magnetometer--Yes
Gyroscope--Yes
Barometer--No
Temperature sensor--No
ratings
Overall NDTV Rating-Read ReviewRead Review
Design Rating-
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Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-

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