Samsung Galaxy A51 vs Samsung Galaxy A7 (2017) comparison

Show Only Differences Highlight Differences	Samsung Galaxy A51	Samsung Galaxy A7 (2017)
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	5.70-inch
Front Camera	32-megapixel	16-megapixel
Rear Camera	48-megapixel + 12-megapixel + 5-megapixel + 5-megapixel	16-megapixel
RAM	6GB	3GB
Storage	128GB	32GB
Battery Capacity	4000mAh	3600mAh
OS	Android 10	Android 6.0
Resolution	1080x2400 pixels	1080x1920 pixels
Processor	-	Samsung Exynos 7880
general
Brand	Samsung	Samsung
Model	Galaxy A51	Galaxy A7 (2017)
Release date	January 1, 2020	January 1, 2017
Launched in India	Yes	-
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	158.50 x 73.60 x 7.90	156.80 x 77.60 x 7.90
Weight (g)	172.00	186.00
Battery capacity (mAh)	4000	3600
Fast charging	Proprietary	-
Colours	Prism Crush Blue, Prism Crush Black, Prism Crush Pink, Prism Crush White	Black Sky, Gold Sand
Removable battery	-	No
SAR value	-	0.29
display
Screen size (inches)	6.50	5.70
Touchscreen	Yes	Yes
Resolution	1080x2400 pixels	1080x1920 pixels
hardware
Processor make	Samsung Exynos 9611	Samsung Exynos 7880
RAM	6GB	3GB
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	-	1.9GHz octa-core
camera
Rear camera	48-megapixel (f/2.0) + 12-megapixel (f/2.2) + 5-megapixel (f/2.2) + 5-megapixel (f/2.4)	16-megapixel
Front camera	32-megapixel (f/2.2)	16-megapixel
Rear flash	-	Yes
software
Operating system	Android 10	Android 6.0
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 4.20
NFC	Yes	Yes
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	No
Active 4G on both SIM cards	Yes	-
Infrared	-	No
Mobile High-Definition Link (MHL)	-	No
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	-
Fingerprint sensor	Yes	-
In-Display Fingerprint Sensor	Yes	-
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	No
Gyroscope	Yes	Yes
Barometer	-	Yes
Temperature sensor	-	No

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