Samsung Galaxy A51 vs Samsung Galaxy J2 comparison

Show Only Differences Highlight Differences	Samsung Galaxy A51	Samsung Galaxy J2
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	6.50-inch	4.70-inch
Front Camera	32-megapixel	2-megapixel
Rear Camera	48-megapixel + 12-megapixel + 5-megapixel + 5-megapixel	5-megapixel
RAM	6GB	1GB
Storage	128GB	8GB
Battery Capacity	4000mAh	2000mAh
OS	Android 10	Android 5.1
Resolution	1080x2400 pixels	540x960 pixels
Processor	-	Samsung Exynos 3475
general
Brand	Samsung	Samsung
Model	Galaxy A51	Galaxy J2
Release date	January 1, 2020	September 1, 2015
Launched in India	Yes	Yes
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	158.50 x 73.60 x 7.90	136.50 x 69.00 x 8.40
Weight (g)	172.00	-
Battery capacity (mAh)	4000	2000
Fast charging	Proprietary	-
Colours	Prism Crush Blue, Prism Crush Black, Prism Crush Pink, Prism Crush White	Black, White, Gold
Removable battery	-	Yes
display
Screen size (inches)	6.50	4.70
Touchscreen	Yes	Yes
Resolution	1080x2400 pixels	540x960 pixels
Aspect ratio	-	16:9
Pixels per inch (PPI)	-	234
hardware
Processor make	Samsung Exynos 9611	Samsung Exynos 3475
RAM	6GB	1GB
Internal storage	128GB	8GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	512	128
Dedicated microSD slot	Yes	-
Processor	-	1.3GHz quad-core
camera
Rear camera	48-megapixel (f/2.0) + 12-megapixel (f/2.2) + 5-megapixel (f/2.2) + 5-megapixel (f/2.4)	5-megapixel (f/2.2)
Front camera	32-megapixel (f/2.2)	2-megapixel (f/2.2)
Rear autofocus	-	Yes
Rear flash	-	LED
software
Operating system	Android 10	Android 5.1
Skin	One UI 2.0	-
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 ac	802.11 b/g/n
GPS	Yes	Yes
Bluetooth	Yes, v 5.00	Yes, v 4.10
NFC	Yes	No
USB OTG	Yes	Yes
USB Type-C	Yes	-
Headphones	3.5mm	3.5mm
FM	Yes	Yes
Number of SIMs	2	2
Wi-Fi Direct	Yes	Yes
Active 4G on both SIM cards	Yes	-
Infrared	-	No
Mobile High-Definition Link (MHL)	-	No
sim 1
SIM Type	Nano-SIM	Micro-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
sim 2
SIM Type	Nano-SIM	Micro-SIM
GSM/CDMA	GSM	GSM
3G	Yes	No
4G/ LTE	Yes	No
sensors
Face unlock	Yes	-
Fingerprint sensor	Yes	-
In-Display Fingerprint Sensor	Yes	-
Compass/ Magnetometer	Yes	No
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	No
Gyroscope	Yes	No
Barometer	-	No
Temperature sensor	-	No

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