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Oppo A55 vs Samsung Galaxy S21 Ultra 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
ModelOppo A55Galaxy 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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