Samsung Galaxy A51 vs Samsung Galaxy J7 Duo comparison

Show Only Differences Highlight Differences	Samsung Galaxy A51	Samsung Galaxy J7 Duo
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	5.50-inch
Front Camera	32-megapixel	8-megapixel
Rear Camera	48-megapixel + 12-megapixel + 5-megapixel + 5-megapixel	13-megapixel + 5-megapixel
RAM	6GB	4GB
Storage	128GB	32GB
Battery Capacity	4000mAh	3000mAh
OS	Android 10	Android Oreo
Resolution	1080x2400 pixels	720x1280 pixels
Processor	-	Samsung Exynos 7885
general
Brand	Samsung	Samsung
Model	Galaxy A51	Galaxy J7 Duo
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	153.50 x 77.20 x 8.20
Weight (g)	172.00	174.00
Battery capacity (mAh)	4000	3000
Fast charging	Proprietary	-
Colours	Prism Crush Blue, Prism Crush Black, Prism Crush Pink, Prism Crush White	Black and Gold
display
Screen size (inches)	6.50	5.50
Touchscreen	Yes	Yes
Resolution	1080x2400 pixels	720x1280 pixels
Aspect ratio	-	16:9
Pixels per inch (PPI)	-	267
hardware
Processor make	Samsung Exynos 9611	Samsung Exynos 7885
RAM	6GB	4GB
Internal storage	128GB	32GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	512	256
Dedicated microSD slot	Yes	-
Processor	-	octa-core (2x2.2GHz + 6x1.6GHz)
camera
Rear camera	48-megapixel (f/2.0) + 12-megapixel (f/2.2) + 5-megapixel (f/2.2) + 5-megapixel (f/2.4)	13-megapixel (f/1.9) + 5-megapixel (f/1.9)
Front camera	32-megapixel (f/2.2)	8-megapixel (f/1.9)
Rear autofocus	-	Yes
Rear flash	-	LED
Front flash	-	LED
software
Operating system	Android 10	Android Oreo
Skin	One UI 2.0	-
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	No
USB OTG	Yes	-
USB Type-C	Yes	-
Headphones	3.5mm	-
FM	Yes	Yes
Number of SIMs	2	2
Wi-Fi Direct	Yes	-
Active 4G on both SIM cards	Yes	-
sim 1
SIM Type	Nano-SIM	-
GSM/CDMA	GSM	-
3G	Yes	-
4G/ LTE	Yes	-
sim 2
SIM Type	Nano-SIM	-
GSM/CDMA	GSM	-
3G	Yes	-
4G/ LTE	Yes	-
sensors
Face unlock	Yes	-
Fingerprint sensor	Yes	Yes
In-Display Fingerprint Sensor	Yes	-
Compass/ Magnetometer	Yes	No
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	-
Gyroscope	Yes	-

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