Samsung Galaxy A91 vs Samsung Galaxy J7 Duo comparison

Show Only Differences Highlight Differences	Samsung Galaxy A91	Samsung Galaxy J7 Duo
key specs
Display	6.70-inch	5.50-inch
Processor	Qualcomm Snapdragon 855	Samsung Exynos 7885
Front Camera	32-megapixel	8-megapixel
Rear Camera	48-megapixel + 8-megapixel + 5-megapixel	13-megapixel + 5-megapixel
RAM	8GB	4GB
Storage	128GB	32GB
Battery Capacity	4500mAh	3000mAh
OS	Android 10	Android Oreo
Resolution	1080x2400 pixels	720x1280 pixels
general
Brand	Samsung	Samsung
Model	Galaxy A91	Galaxy J7 Duo
Launched in India	No	Yes
Form factor	Touchscreen	Touchscreen
Battery capacity (mAh)	4500	3000
Fast charging	Proprietary	-
Release date	-	March 1, 2018
Dimensions (mm)	-	153.50 x 77.20 x 8.20
Weight (g)	-	174.00
Colours	-	Black and Gold
display
Screen size (inches)	6.70	5.50
Touchscreen	Yes	Yes
Resolution	1080x2400 pixels	720x1280 pixels
Protection type	Gorilla Glass	-
Aspect ratio	-	16:9
Pixels per inch (PPI)	-	267
hardware
Processor	octa-core	octa-core (2x2.2GHz + 6x1.6GHz)
Processor make	Qualcomm Snapdragon 855	Samsung Exynos 7885
RAM	8GB	4GB
Internal storage	128GB	32GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	512	256
camera
Rear camera	48-megapixel + 8-megapixel + 5-megapixel	13-megapixel (f/1.9) + 5-megapixel (f/1.9)
Rear autofocus	Yes	Yes
Rear flash	Yes	LED
Front camera	32-megapixel (f/2.2)	8-megapixel (f/1.9)
Front flash	-	LED
software
Operating system	Android 10	Android Oreo
Skin	One UI	-
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 a/b/g/n/ac	802.11 a/b/g/n/ac
GPS	Yes	Yes
Bluetooth	Yes, v 5.00	Yes, v 5.00
USB Type-C	Yes	-
Number of SIMs	2	2
NFC	-	No
FM	-	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
Compass/ Magnetometer	Yes	No
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	-
Gyroscope	Yes	-

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