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Oppo A55 vs Samsung Galaxy S21 Ultr comparison

 Compare Oppo A55
Oppo A55
Compare Samsung Galaxy S21 Ultra
Samsung Galaxy S21 Ultra
key specs
Display6.51-inch6.80-inch
ProcessorMediaTek Helio G35Samsung Exynos 2100
Front Camera16-megapixel40-megapixel
Rear Camera50-megapixel + 2-megapixel + 2-megapixel 108-megapixel + 12-megapixel + 10-megapixel + 10-megapixel
RAM4GB, 6GB12GB, 16GB
Storage64GB, 128GB128GB, 256GB, 512GB
Battery Capacity5000mAh5000mAh
OSAndroid 11Android 11
Resolution720x1600 pixels1440x3220 pixels
general
BrandOppoSamsung
ModelA55Galaxy S21 Ultra
Release dateOctober 1, 2021January 14, 2021
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)163.60 x 75.70 x 8.40165.10 x 75.60 x 8.90
Weight (g)193.00228.00
Battery capacity (mAh)50005000
Fast chargingProprietaryProprietary
ColoursRainbow Blue, Starry BlackPhantom Titanium, Phantom Navy, Phantom Brown
IP rating-IP68
Wireless charging-Yes
display
Refresh Rate60 Hz-
Screen size (inches)6.516.80
TouchscreenYesYes
Resolution720x1600 pixels1440x3220 pixels
Aspect ratio20:9-
Protection type-Gorilla Glass
Pixels per inch (PPI)-515
hardware
Processordual-core2.2GHz octa-core (3x2.8GHz + 4x2.2GHz + 1x2.9GHz)
Processor makeMediaTek Helio G35Samsung Exynos 2100
RAM4GB, 6GB12GB, 16GB
Internal storage64GB, 128GB128GB, 256GB, 512GB
Expandable storageYes-
Expandable storage typemicroSD-
Expandable storage up to (GB)256-
Dedicated microSD slotYes-
camera
Rear camera50-megapixel (f/1.8) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)108-megapixel (f/1.8, 0.8-micron) + 12-megapixel (f/2.2, 1.4-micron) + 10-megapixel (f/2.4, 1.22-micron) + 10-megapixel (f/4.9, 1.22-micron)
No. of Rear Cameras3-
Rear autofocusYesLaser autofocus
Rear flashYesYes
Front camera16-megapixel40-megapixel (f/2.2, 0.7-micron)
No. of Front Cameras1-
software
Operating systemAndroid 11Android 11
SkinColorOS 11.1One UI 3.1
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n/ac/ax
GPSYesYes
BluetoothYes, v 5.00Yes, v 5.00
USB OTGYes-
USB Type-CYesYes
Headphones3.5mm-
Number of SIMs22
NFC-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5G-Yes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5G-Yes
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Face unlock-Yes
In-Display Fingerprint Sensor-Yes
Gyroscope-Yes
Barometer-Yes
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-

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