Samsung Galaxy S21 Ultra vs Samsung Galaxy A20 comparison

Show Only Differences Highlight Differences	Samsung Galaxy S21 Ultra	Samsung Galaxy A20s
ratings
Overall NDTV Rating	Read Review	-
Design Rating		-
Display Rating		-
Software Rating		-
Performance Rating		-
Battery Life Rating		-
Camera Rating		-
Value for Money Rating		-
key specs
Display	6.80-inch	6.50-inch
Processor	Samsung Exynos 2100	Qualcomm Snapdragon 450
Front Camera	40-megapixel	8-megapixel
Rear Camera	108-megapixel + 12-megapixel + 10-megapixel + 10-megapixel	13-megapixel + 8-megapixel + 5-megapixel
RAM	12GB, 16GB	3GB
Storage	128GB, 256GB, 512GB	32GB
Battery Capacity	5000mAh	4000mAh
OS	Android 11	Android 9 Pie
Resolution	1440x3220 pixels	720x1560 pixels
general
Brand	Samsung	Samsung
Model	Galaxy S21 Ultra	Galaxy A20s
Release date	January 14, 2021	September 23, 2019
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	165.10 x 75.60 x 8.90	163.30 x 77.50 x 8.00
Weight (g)	228.00	183.00
IP rating	IP68	-
Battery capacity (mAh)	5000	4000
Fast charging	Proprietary	Proprietary
Wireless charging	Yes	No
Colours	Phantom Titanium, Phantom Navy, Phantom Brown	Black, Blue, Green
Launched in India	-	Yes
Removable battery	-	No
SAR value	-	0.27
display
Screen size (inches)	6.80	6.50
Touchscreen	Yes	Yes
Resolution	1440x3220 pixels	720x1560 pixels
Protection type	Gorilla Glass	-
Pixels per inch (PPI)	515	-
Aspect ratio	-	19.5:9
hardware
Processor	2.2GHz octa-core (3x2.8GHz + 4x2.2GHz + 1x2.9GHz)	1.8GHz octa-core
Processor make	Samsung Exynos 2100	Qualcomm Snapdragon 450
RAM	12GB, 16GB	3GB
Internal storage	128GB, 256GB, 512GB	32GB
Expandable storage	-	Yes
Expandable storage type	-	microSD
Expandable storage up to (GB)	-	512
Dedicated microSD slot	-	Yes
camera
Rear camera	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)	13-megapixel (f/1.8) + 8-megapixel (f/2.2) + 5-megapixel (f/2.2)
Rear autofocus	Laser autofocus	Yes
Rear flash	Yes	Yes
Front camera	40-megapixel (f/2.2, 0.7-micron)	8-megapixel (f/2.0)
Front autofocus	-	No
Front flash	-	No
software
Operating system	Android 11	Android 9 Pie
Skin	One UI 3.1	One Ui
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 a/b/g/n/ac/ax	802.11 b/g/n
GPS	Yes	Yes
Bluetooth	Yes, v 5.00	Yes, v 4.20
NFC	Yes	-
USB Type-C	Yes	Yes
Number of SIMs	2	2
Headphones	-	3.5mm
Wi-Fi Direct	-	Yes
sim 1
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
5G	Yes	-
sim 2
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
5G	Yes	-
sensors
Face unlock	Yes	Yes
In-Display Fingerprint Sensor	Yes	-
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	Yes
Barometer	Yes	-
Fingerprint sensor	-	Yes

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