Vivo X20 vs Oppo A71 comparison

Compare Vivo X20
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General
Release dateSeptember 2017September 2017--
Form factorTouchscreenTouchscreen--
Dimensions (mm)155.85 x 75.15 x 7.20148.10 x 73.80 x 7.60--
Weight (g)159.00137.00--
Battery capacity (mAh)32453000--
Removable batteryNoNo--
ColoursMatte Black, Gold, Rose GoldGold, Black--
Display
Screen size (inches)6.015.20--
TouchscreenYesYes--
Resolution1080x2160 pixels720x1280 pixels--
Hardware
Processor1.8GHz octa-core1.5GHz octa-core--
Processor makeSnapdragon 660MediaTek MT6750--
RAM4GB3GB--
Internal storage64GB16GB--
Expandable storageYesYes--
Expandable storage typemicroSDmicroSD--
Expandable storage up to (GB)256256--
Camera
Rear camera12-megapixel13-megapixel--
Front camera12-megapixel5-megapixel--
Software
Operating SystemAndroid 7.1.1Android 7.1--
SkinFunTouch OSColor OS--
Connectivity
Wi-FiYesYes--
Wi-Fi standards supported-802.11 b/g/n--
GPSYesYes--
BluetoothYes, v 5.00Yes, v 4.00--
NFCNoNo--
InfraredNoNo--
Headphones3.5mm3.5mm--
FMNoNo--
Number of SIMs22--
SIM1
SIM Type-Nano-SIM--
GSM/CDMAGSMGSM--
3GYesYes--
4G/LTEYesYes--
SIM2
SIM Type-Nano-SIM--
GSM/CDMAGSMGSM--
3GYesYes--
4G/LTEYesYes--
Sensors
Compass/ MagnetometerYesYes--
Proximity sensorYesYes--
AccelerometerYesYes--
Ambient light sensorYesYes--
GyroscopeYesNo--
BarometerNoNo--
Temperature sensorNoNo--