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Samsung Galaxy Note 9 vs Samsung Galaxy A6 vs Samsung Galaxy J7 Duo vs Samsung Galaxy A7 Duos

Samsung Galaxy Note 9 vs Samsung Galaxy A6 vs Samsung Galaxy J7 Duo vs Samsung Galaxy A7 Duo comparison

Show Only Differences Highlight Differences	Samsung Galaxy Note 9	Samsung Galaxy A6	Samsung Galaxy J7 Duo	Samsung Galaxy A7 Duos
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	6.40-inch	5.60-inch	5.50-inch	5.50-inch
Processor	Samsung Exynos 9810	1.6GHz octa-core	Samsung Exynos 7885	Qualcomm Snapdragon 615
Front Camera	8-megapixel	16-megapixel	8-megapixel	5-megapixel
Rear Camera	12-megapixel	16-megapixel	13-megapixel + 5-megapixel	13-megapixel
RAM	6GB	3GB	4GB	2GB
Storage	128GB	32GB	32GB	16GB
Battery Capacity	4000mAh	3000mAh	3000mAh	2600mAh
OS	Android 8.1	Android 8.0	Android Oreo	Android 4.4
Resolution	1440x2960 pixels	720x1480 pixels	720x1280 pixels	1080x1920 pixels
general
Brand	Samsung	Samsung	Samsung	Samsung
Model	Galaxy Note 9	Galaxy A6	Galaxy J7 Duo	Galaxy A7 Duos
Release date	August 1, 2018	May 1, 2018	March 1, 2018	-
Form factor	Touchscreen	Touchscreen	Touchscreen	Touchscreen
Dimensions (mm)	161.90 x 76.40 x 8.80	149.90 x 70.90 x 7.70	153.50 x 77.20 x 8.20	151.00 x 76.20 x 6.30
Weight (g)	201.00	-	174.00	141.00
Battery capacity (mAh)	4000	3000	3000	2600
Colours	Midnight Black, Metallic Copper, Ocean Blue, Lavender Purple	-	Black and Gold	White, Gold, Black
Launched in India	-	-	Yes	-
Removable battery	-	-	-	No
display
Screen size (inches)	6.40	5.60	5.50	5.50
Touchscreen	Yes	Yes	Yes	Yes
Resolution	1440x2960 pixels	720x1480 pixels	720x1280 pixels	1080x1920 pixels
Aspect ratio	-	-	16:9	-
Pixels per inch (PPI)	-	-	267	401
hardware
Processor	1.7GHz octa-core	1.6GHz octa-core	octa-core (2x2.2GHz + 6x1.6GHz)	1GHz octa-core
Processor make	Samsung Exynos 9810	-	Samsung Exynos 7885	Qualcomm Snapdragon 615
RAM	6GB	3GB	4GB	2GB
Internal storage	128GB	32GB	32GB	16GB
Expandable storage	Yes	Yes	Yes	Yes
Expandable storage type	microSD	microSD	microSD	microSD
Expandable storage up to (GB)	512	256	256	64
camera
Rear camera	12-megapixel	16-megapixel	13-megapixel (f/1.9) + 5-megapixel (f/1.9)	13-megapixel
Front camera	8-megapixel	16-megapixel	8-megapixel (f/1.9)	5-megapixel
Rear flash	-	LED	LED	LED
Rear autofocus	-	-	Yes	-
Front flash	-	-	LED	-
software
Operating system	Android 8.1	Android 8.0	Android Oreo	Android 4.4
Skin	Samsung Experience UX	-	-	TouchWiz UI
connectivity
Wi-Fi	Yes	Yes	Yes	Yes
Wi-Fi standards supported	802.11 a/b/g/n/ac	802.11 a/b/g/n	802.11 a/b/g/n/ac	802.11 a/b/g/n
GPS	Yes	Yes	Yes	Yes
Bluetooth	Yes, v 5.00	Yes, v 4.20	Yes, v 5.00	Yes, v 4.00
NFC	Yes	-	No	No
Number of SIMs	2	-	2	2
FM	-	-	Yes	Yes
Infrared	-	-	-	No
USB OTG	-	-	-	No
Headphones	-	-	-	3.5mm
Wi-Fi Direct	-	-	-	Yes
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
Compass/ Magnetometer	Yes	-	No	Yes
Proximity sensor	Yes	-	Yes	Yes
Accelerometer	Yes	-	Yes	Yes
Ambient light sensor	Yes	-	-	Yes
Gyroscope	Yes	-	-	No
Barometer	Yes	-	-	No
Fingerprint sensor	-	-	Yes	-
Temperature sensor	-	-	-	No