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Vivo U20 vs Oppo A57 comparison

 Compare Vivo U20
Vivo U20
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
Display6.53-inch5.20-inch
ProcessorQualcomm Snapdragon 675Qualcomm Snapdragon 435
Front Camera16-megapixel 16-megapixel
Rear Camera16-megapixel + 8-megapixel + 2-megapixel 13-megapixel
RAM4GB3GB
Storage64GB32GB
Battery Capacity5000mAh2900mAh
OSAndroid 9Android 6.0
Resolution1080x2340 pixels720x1280 pixels
general
BrandVivoOppo
ModelU20A57
Release dateNovember 22, 2019November 1, 2016
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Body typePlastic-
Dimensions (mm)162.15 x 76.47 x 8.89149.10 x 72.90 x 7.65
Weight (g)193.00147.00
Battery capacity (mAh)50002900
Removable batteryNoNo
Fast chargingProprietary-
Wireless chargingNo-
ColoursRacing Black, Blaze BlueRose Gold, Gold
SAR value-1.31
display
Screen size (inches)6.535.20
TouchscreenYesYes
Resolution1080x2340 pixels720x1280 pixels
Aspect ratio-16:9
hardware
Processorocta-core1.4GHz octa-core
Processor makeQualcomm Snapdragon 675Qualcomm Snapdragon 435
RAM4GB3GB
Internal storage64GB32GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256256
camera
Rear camera16-megapixel (f/1.78) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4)13-megapixel (f/2.2)
Rear autofocusYesPhase detection autofocus
Rear flashYesLED
Front camera16-megapixel (f/2.0)16-megapixel (f/2.0, 1.12-micron)
Front autofocus-Yes
software
Operating systemAndroid 9Android 6.0
SkinFuntouch OS 9ColorOS 3.0
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.00Yes, v 4.10
USB OTGYesYes
Headphones3.5mm3.5mm
FMYesYes
Number of SIMs22
Wi-Fi standards supported-802.11 b/g/n
NFC-No
Infrared-No
Micro-USB-Yes
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMNano-SIM
3GYesYes
4G/ LTEYesYes
GSM/CDMA-GSM
sim 2
SIM TypeNano-SIMNano-SIM
3GYesYes
4G/ LTEYesYes
GSM/CDMA-GSM
sensors
Face unlockYes-
Fingerprint sensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
Barometer-No
Temperature sensor-No

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