Samsung Galaxy S20 Ultra vs Oppo A3 comparison

Compare Samsung Galaxy S20 Ultra
Compare Oppo A3
key specs
Display6.90-inch6.20-inch
ProcessorSamsung Exynos 990Helio P60
Front Camera40-megapixel 8-megapixel
Rear Camera108-megapixel + 48-megapixel + 12-megapixel + Depth16-megapixel
RAM12GB4GB
Storage128GB128GB
Battery Capacity5000mAh3400mAh
OSAndroid 10Android 8.1
Resolution1440x3200 pixels1080x2280 pixels
general
BrandSamsungOppo
ModelGalaxy S20 UltraA3
Release date11th February 2020April 2018
Form factorTouchscreenTouchscreen
Body typeGlass-
Dimensions (mm)166.90 x 76.00 x 8.80156.00 x 75.30 x 7.80
Weight (g)220.00159.00
IP ratingIP68-
Battery capacity (mAh)50003400
Removable batteryNo-
Fast chargingProprietary-
Wireless chargingYes-
ColoursCosmic Black, Cosmic GreyKnight Black, Soybean Meal, Stardust Silver, Garnet Red
display
Screen size (inches)6.906.20
TouchscreenYesYes
Resolution1440x3200 pixels1080x2280 pixels
Aspect ratio20:919:9
hardware
Processor2GHz octa-core (2x2.73GHz + 2x2.5GHz + 4x2GHz)2GHz octa-core
Processor makeSamsung Exynos 990Helio P60
RAM12GB4GB
Internal storage128GB128GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)1000256
Dedicated microSD slotNo-
camera
Rear camera108-megapixel (f/1.8) + 48-megapixel (f/3.5) + 12-megapixel (f/2.2) + Depth16-megapixel (f/1.8)
Rear autofocusYes-
Rear flashDual LEDYes
Front camera40-megapixel (f/2.2)8-megapixel (f/2.2)
Front autofocusYes-
software
Operating systemAndroid 10Android 8.1
SkinOne UI 2.0ColorOS 5.0
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac/Yes-
GPSYesYes
BluetoothYes, v 5.00Yes, v 4.20
NFCYes-
USB Type-CYes-
HeadphonesType-C3.5mm
Number of SIMs22
Wi-Fi DirectYes-
USB OTG-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
4G/ LTEYesYes
3G-Yes
sensors
Face unlockYes-
Fingerprint sensorYes-
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYes-
Proximity sensorYesYes
AccelerometerYes-
Ambient light sensorYesYes
GyroscopeYesYes
BarometerYes-

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