Samsung Galaxy A51 vs Samsung Galaxy S9 comparison

Show Only Differences Highlight Differences	Samsung Galaxy A51	Samsung Galaxy S9
ratings
Overall NDTV Rating	Read Review	Read Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display	6.50-inch	5.80-inch
Front Camera	32-megapixel	8-megapixel
Rear Camera	48-megapixel + 12-megapixel + 5-megapixel + 5-megapixel	12-megapixel
RAM	6GB	4GB
Storage	128GB	64GB
Battery Capacity	4000mAh	3000mAh
OS	Android 10	Android 8.0
Resolution	1080x2400 pixels	1440x2960 pixels
Processor	-	Samsung Exynos 9810
general
Brand	Samsung	Samsung
Model	Galaxy A51	Galaxy S9
Release date	January 1, 2020	March 1, 2018
Launched in India	Yes	Yes
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	158.50 x 73.60 x 7.90	147.70 x 68.70 x 8.50
Weight (g)	172.00	163.00
Battery capacity (mAh)	4000	3000
Fast charging	Proprietary	Quick Charge 2.0
Colours	Prism Crush Blue, Prism Crush Black, Prism Crush Pink, Prism Crush White	Lilac Purple, Midnight Black, Coral Blue
Removable battery	-	No
Wireless charging	-	Yes
display
Screen size (inches)	6.50	5.80
Touchscreen	Yes	Yes
Resolution	1080x2400 pixels	1440x2960 pixels
Protection type	-	Gorilla Glass
Aspect ratio	-	18.5:9
Pixels per inch (PPI)	-	568
hardware
Processor make	Samsung Exynos 9611	Samsung Exynos 9810
RAM	6GB	4GB
Internal storage	128GB	64GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	512	400
Dedicated microSD slot	Yes	-
Processor	-	octa-core (4x2.7GHz + 4x1.7GHz)
camera
Rear camera	48-megapixel (f/2.0) + 12-megapixel (f/2.2) + 5-megapixel (f/2.2) + 5-megapixel (f/2.4)	12-megapixel (1.4-micron)
Front camera	32-megapixel (f/2.2)	8-megapixel (f/1.7, 1.22-micron)
Rear autofocus	-	Phase detection autofocus
Rear flash	-	LED
Front autofocus	-	Yes
Front flash	-	No
software
Operating system	Android 10	Android 8.0
Skin	One UI 2.0	Experience 9.0
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 ac	802.11 a/b/g/n/ac
GPS	Yes	Yes
Bluetooth	Yes, v 5.00	Yes, v 5.00
NFC	Yes	Yes
USB OTG	Yes	Yes
USB Type-C	Yes	Yes
Headphones	3.5mm	3.5mm
FM	Yes	No
Number of SIMs	2	2
Wi-Fi Direct	Yes	Yes
Active 4G on both SIM cards	Yes	-
sim 1
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
sim 2
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
sensors
Face unlock	Yes	Yes
Fingerprint sensor	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

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