Samsung Galaxy J7 Duo vs Samsung Galaxy J7 Nxt

Key Specs

Battery
3000 mAh	3000 mAh
Display
5.5 inches (13.97 cm)	5.5 inches (13.97 cm)
Front Camera
8 MP	5 MP
Processor
Samsung Exynos 7 Octa	Samsung Exynos 7 Octa 7870
RAM
4 GB	2 GB
Rear Camera
13 MP + 5 MP	13 MP

Battery

Capacity
3000 mAh	3000 mAh
Removable
Yes	Yes
TalkTime
Up to 20 Hours(3G)	Up to 21 Hours(3G)
Type
Li-ion	Li-ion
USB Type-C
No	No

Design

Build Material
-	Back: Plastic
Colours
Black, Gold	Black, Gold
Height
153.5 mm	152.4 mm
Thickness
8.2 mm	7.6 mm
Weight
174 grams	170 grams
Width
77.2 mm	78.6 mm

Display

Aspect Ratio
16:9	16:9
Display Type
Super AMOLED	Super AMOLED
Pixel Density
267 ppi	267 ppi
Resolution
720x1280 px (HD)	720x1280 px (HD)
Screen Size
5.5 inches (13.97 cm)	5.5 inches (13.97 cm)
Screen to Body Ratio (calculated)
70.21 %	69.46 %
Touch Screen
Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Autofocus
No	No
Camera Setup
Single	-
Resolution
8 MP f/1.9, Primary Camera	5 MP f/2.2, Wide Angle, Primary Camera(23 mm focal length)

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General

Brand
Samsung	Samsung
Launch Date
April 13, 2018 (Official)	July 21, 2017 (Official)
Operating System
Android v8.0 (Oreo)	Android v7.0 (Nougat)

Main Camera

Autofocus
Yes	Yes
Camera Features
Digital Zoom Auto Flash Face detection Touch to focus	Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
Dual	Single
Flash
Yes, LED Flash	Yes, LED Flash
Image Resolution
4128 x 3096 Pixels	4128 x 3096 Pixels
OIS
No	-
Resolution
13 MP f/1.9, Primary Camera 5 MP f/1.9, Depth Camera	13 MP f/1.9, Wide Angle, Primary Camera(28 mm focal length)
Sensor
CMOS image sensor	-
Settings
Exposure compensation, ISO control	Exposure compensation
Shooting Modes
Continuous Shooting High Dynamic Range mode (HDR)	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
1920x1080 @ 30 fps	1920x1080 @ 30 fps

Multimedia

Audio Jack
3.5 mm	3.5 mm
FM Radio
Yes	-
Loudspeaker
Yes	Yes

Network & Connectivity

Bluetooth
Yes, v5.0	Yes, v4.1
GPS
Yes with A-GPS, Glonass	Yes with A-GPS, Glonass
NFC
No	No
Network Support
5G Not Supported in India, 4G Supported in India, 3G, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SAR Value
Head: 0.478 W/kg	Head: 0.610 W/kg
SIM 1
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	4G Bands: TD-LTE 2300(band 40) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM 2
2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM Size
SIM1: Micro, SIM2: Micro	SIM1: Micro, SIM2: Micro
SIM Slot(s)
Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
Mass storage device, USB charging, microUSB 2.0	Mass storage device, USB charging, microUSB 2.0
Wi-Fi
Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz	Yes, Wi-Fi 4 (802.11 b/g/n) 5GHz
Wi-Fi Features
Wi-Fi Direct, Mobile Hotspot	Wi-Fi Direct, Mobile Hotspot

Performance

Architecture
-	64 bit
CPU
Octa core, 1.6 GHz	Octa core, 1.6 GHz, Cortex A53
Chipset
Samsung Exynos 7 Octa	Samsung Exynos 7 Octa 7870
Fabrication
14 nm	14 nm
Graphics
-	Mali-T830
RAM type
LPDDR3	LPDDR3

Sensors

Applications
Samsung Pay Mini	-
Fingerprint Sensor
Yes	No
Fingerprint Sensor Position
Front	-
Other Sensors
Proximity sensor, Accelerometer	Proximity sensor, Accelerometer

Storage

Expandable Memory
Yes, Up to 256 GB	Yes, Up to 256 GB
Internal Memory
32 GB	16 GB
Storage Type
eMMC 5.1	eMMC 5.1
USB OTG
Yes	Yes
User Available Storage
Up to 21.8 GB	Up to 9.9 GB