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Samsung Galaxy A91 vs Samsung Galaxy J7 Duo
Samsung Galaxy A91
vs
Samsung Galaxy J7 Duo
comparison
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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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