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Oppo A83 vs Oppo A57 comparison

 Compare Oppo A83
Oppo A83
Compare Oppo A57
Oppo A57
ratings
Overall NDTV RatingRead ReviewRead Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display5.70-inch5.20-inch
ProcessorMediaTek MT6737TQualcomm Snapdragon 435
Front Camera8-megapixel16-megapixel
Rear Camera13-megapixel13-megapixel
RAM3GB3GB
Storage32GB32GB
Battery Capacity3180mAh2900mAh
OSAndroid 7.1Android 6.0
Resolution720x1440 pixels720x1280 pixels
general
BrandOppoOppo
ModelA83A57
Release dateDecember 1, 2017November 1, 2016
Form factorTouchscreenTouchscreen
Dimensions (mm)150.50 x 73.10 x 7.70149.10 x 72.90 x 7.65
Weight (g)143.00147.00
Battery capacity (mAh)31802900
ColoursChampagne, BlackRose Gold, Gold
Launched in India-Yes
Removable battery-No
SAR value-1.31
display
Screen size (inches)5.705.20
TouchscreenYesYes
Resolution720x1440 pixels720x1280 pixels
Aspect ratio18:916:9
hardware
Processor2.5GHz octa-core1.4GHz octa-core
Processor makeMediaTek MT6737TQualcomm Snapdragon 435
RAM3GB3GB
Internal storage32GB32GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256256
camera
Rear camera13-megapixel13-megapixel (f/2.2)
Rear flashLEDLED
Front camera8-megapixel16-megapixel (f/2.0, 1.12-micron)
Rear autofocus-Phase detection autofocus
Front autofocus-Yes
software
Operating systemAndroid 7.1Android 6.0
SkinColorOS 3.2ColorOS 3.0
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n802.11 b/g/n
GPSYesYes
BluetoothYes, v 4.20Yes, v 4.10
NFCNoNo
InfraredNoNo
USB OTGYesYes
Micro-USBYesYes
Headphones3.5mm3.5mm
FMYesYes
Number of SIMs22
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Face unlockYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Fingerprint sensor-Yes
Compass/ Magnetometer-Yes
Gyroscope-Yes
Barometer-No
Temperature sensor-No

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