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Samsung Galaxy S21 Ultra vs Samsung Galaxy A20 comparison

 Compare Samsung Galaxy S21 Ultra
Samsung Galaxy S21 Ultra
Compare Samsung Galaxy A20
Samsung Galaxy A20
ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.80-inch6.40-inch
ProcessorSamsung Exynos 2100Samsung Exynos 7884
Front Camera40-megapixel 8-megapixel
Rear Camera108-megapixel + 12-megapixel + 10-megapixel + 10-megapixel 13-megapixel + 5-megapixel
RAM12GB, 16GB3GB
Storage128GB, 256GB, 512GB32GB
Battery Capacity5000mAh4000mAh
OSAndroid 11Android
Resolution1440x3220 pixels720x1560 pixels
general
BrandSamsungSamsung
ModelGalaxy S21 UltraGalaxy A20
Release dateJanuary 14, 2021March 1, 2019
Form factorTouchscreenTouchscreen
Dimensions (mm)165.10 x 75.60 x 8.90158.40 x 74.70 x 7.80
Weight (g)228.00-
IP ratingIP68-
Battery capacity (mAh)50004000
Fast chargingProprietary-
Wireless chargingYes-
ColoursPhantom Titanium, Phantom Navy, Phantom Brown-
Launched in India-No
display
Screen size (inches)6.806.40
TouchscreenYesYes
Resolution1440x3220 pixels720x1560 pixels
Protection typeGorilla Glass-
Pixels per inch (PPI)515-
hardware
Processor2.2GHz octa-core (3x2.8GHz + 4x2.2GHz + 1x2.9GHz)octa-core (2x1.6GHz + 6x1.35GHz)
Processor makeSamsung Exynos 2100Samsung Exynos 7884
RAM12GB, 16GB3GB
Internal storage128GB, 256GB, 512GB32GB
Expandable storage-Yes
Expandable storage type-microSD
Expandable storage up to (GB)-512
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 (f/1.9) + 5-megapixel (f/2.2)
Rear autofocusLaser autofocus-
Rear flashYesYes
Front camera40-megapixel (f/2.2, 0.7-micron)8-megapixel (f/2.0)
software
Operating systemAndroid 11Android
SkinOne UI 3.1-
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac/ax-
GPSYes-
BluetoothYes, v 5.00Yes
NFCYes-
USB Type-CYes-
Number of SIMs2-
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 sensorYes-
AccelerometerYes-
Ambient light sensorYes-
GyroscopeYes-
BarometerYes-
Fingerprint sensor-Yes

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