Samsung Galaxy S21 Ultra vs Samsung Galaxy A02s comparison

Compare Samsung Galaxy S21 Ultra
Compare Samsung Galaxy A02s
key specs
Display6.80-inch6.50-inch
ProcessorSamsung Exynos 2100octa-core
Front Camera40-megapixel Yes
Rear Camera108-megapixel + 12-megapixel + 10-megapixel + 10-megapixel 13-megapixel + 2-megapixel + 2-megapixel
RAM12GB3GB
Storage128GB32GB
Battery Capacity5000mAh5000mAh
OSAndroid 11Android
Resolution1440x3220 pixels-
general
BrandSamsungSamsung
ModelGalaxy S21 UltraGalaxy A02s
Release date14th January 202124th November 2020
Form factorTouchscreenTouchscreen
Dimensions (mm)165.10 x 75.60 x 8.90-
Weight (g)228.00-
IP ratingIP68-
Battery capacity (mAh)50005000
Fast chargingProprietaryProprietary
Wireless chargingYes-
ColoursPhantom Titanium, Phantom Navy, Phantom BrownBlack, Blue, Red, White
Launched in India-No
display
Screen size (inches)6.806.50
TouchscreenYesYes
Resolution1440x3220 pixels-
Protection typeGorilla Glass-
Pixels per inch (PPI)515-
hardware
Processor2.2GHz octa-core (3x2.8GHz + 4x2.2GHz + 1x2.9GHz)octa-core
Processor makeSamsung Exynos 2100-
RAM12GB3GB
Internal storage128GB32GB
Expandable storage-Yes
Expandable storage type-microSD
Expandable storage up to (GB)-1000
camera
Rear camera108-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)13-megapixel + 2-megapixel + 2-megapixel
Rear autofocusLaser autofocusYes
Rear flashYesYes
Front camera40-megapixel (f/2.2, 0.7-micron)Yes
Pop-Up Camera-No
software
Operating systemAndroid 11Android
SkinOne UI 3.1-
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac/Yes-
GPSYesYes
BluetoothYes, v 5.00Yes
NFCYes-
USB Type-CYes-
Number of SIMs2-
Micro-USB-Yes
sim 1
SIM TypeNano-SIM-
GSM/CDMAGSM-
3GYes-
4G/ LTEYes-
5GYes-
sim 2
SIM TypeNano-SIM-
GSM/CDMAGSM-
3GYes-
4G/ LTEYes-
5GYes-
sensors
Face unlockYes-
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYes-
BarometerYes-

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