Samsung Galaxy J2 Core vs Samsung Galaxy J7 Duo (2018): Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Samsung Galaxy J2 Core vs Samsung Galaxy J7 Duo (2018). The complete information of specifications to decide which to buy.

Compare
Samsung Galaxy J2 CoreSamsung Galaxy J2 CoreGlobal · 1GB · 8GB · J260F
Samsung Galaxy J7 Duo (2018)Samsung Galaxy J7 Duo (2018)Global · 4GB · 32GB · J720FD
Technical data sheets

Basics
Samsung Galaxy J2 Core
Samsung Galaxy J2 Core
Global · 1GB · 8GB · J260F
View datasheet
vs
Samsung Galaxy J7 Duo (2018)
Samsung Galaxy J7 Duo (2018)
Global · 4GB · 32GB · J720FD
View datasheet
vs

Score
Ki Cost-effective
Score		 5.7 Ki Cost-effective
Score 		-- Not available
Design and Screen score 4.6Design & Materials --Design & Materials
Performance and Hardware score 4.6Performance & Hardware --Performance & Hardware
Camera score 4.6Camera --Camera
Connectivity score 4.9 Connectivity -- Connectivity
Battery score 4.6 Battery --Battery

User reviews
User score
3.6
51 reviews
6.4
7 reviews

Technical specifications of the Samsung Galaxy J2 Core vs Samsung Galaxy J7 Duo (2018)

Specs stores to buy Samsung Galaxy J2 Core Samsung Galaxy J2 Core
Global · 1GB · 8GB · J260F 		stores to buy Samsung Galaxy J7 Duo (2018) Samsung Galaxy J7 Duo (2018)
Global · 4GB · 32GB · J720FD
Inches 5" 5.5"
Resolution LowRes HD
Usable surface 66% useful 70% useful
Aspect Ratio 16:9 16:9
Dimensions 72.1 mm
143.4 mm
8.9 mm 		77.2 mm
153.5 mm
8.2 mm
Weight 154 g 174 g
Micro Exynos 7570
Quad-Core 		Exynos 7870
Octa-Core
RAM 1 GB RAM 4 GB RAM
Storage 8 GB 32 GB
AnTuTu 37.000
v? 		46.000
v?
Battery 2600 mAh 3000 mAh
Main Camera 1
8 Mpx · ƒ/2.2

1
13 Mpx · ƒ/1.9

2
Selfie Camera SELF 5 Mpx · ƒ/2.2 SELF 8 Mpx · ƒ/1.9
Bands
OS Android 8.0 Oreo Android 9.0 P

Brand
Brand Samsung Samsung
Aliases -- SM-J720F, J720F

Release Date
Release date April 2018,
5 years ago 		June 2018,
5 years ago
State On Sale Not available
Market Global Global

Design & Materials

Structure

Samsung Galaxy J2 Core
Samsung Galaxy J7 Duo (2018)
Samsung Galaxy J2 Core
Samsung Galaxy J7 Duo (2018)
Size
72.1 mm • 143.4 mm • 8.9 mm
See more details
 Print 3D Model
77.2 mm • 153.5 mm • 8.2 mm
See more details
 Print 3D Model
Weight 154 g 174 g
Usable surface 66 % 70 %
Materials Plastic Metal
Resistance - -
Colors
Gold
Black

Gold

Screen
Diagonal 5" 5.5"
Type LCD IPS Super AMOLED
Aspect Ratio 16:9 16:9
Resolution LowRes
540 x 960 px 		HD
720 x 1280 px
Density 220 Pixels per inch 267 Pixels per inch

Others

Others
  • Without Notch
  • LED Notifications
  • Scratch resistant
  • Capacitive
  • Multi-touch
  • Without Notch
  • 2.5D curved glass screen
  • Capacitive
  • Multi-touch

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
5.8
7.3
Do you think it's a nice phone?
5.0
6.3
Is it comfortable?
5.7
7.3
Can you see it well in the sunlight?
3.6
6.0
Number of reviews
51 reviews
7 reviews

Performance & Hardware

Processor
Model Samsung Exynos 7 Quad 7570 Samsung Exynos 7 Octa 7870
CPU 4x Cortex-A53 1.4 GHz 8x Cortex-A53 1.6 GHz
Type Quad-Core Octa-Core
Manufacturing 14 nm 14 nm
64 Bits Yes Yes

Graphics
GPU ARM Mali-T720 ARM Mali-T830

RAM
RAM 1 GB 4 GB
Type LPDDR3 RAM --

Antutu
Score
37.000
Antutu v?
Overall performance better than 42% of devices
See more details
46.000
Antutu v?
Overall performance better than 38% of devices
See more details

Storage
Capacity 8 GB 32 GB
Type -- --
SD Slot Yes ,
Independent SD slot 		Yes ,
Independent SD slot

Security
Fingerprint No Yes, on the front

Sensors
Sensors
  • Proximity
  • Light sensor
  • Accelerometer
  • Fingerprint
  • Proximity
  • Light sensor
  • Accelerometer
  • Hall

Audio

Audio
-
-

Others
Notifications LED LED Notifications --
Cooling system No No
Gaming buttons No No

User reviews

Does it have good sound?
4.9
6.7
Does it work smoothly in everyday use?
3.7
7.4
What's your experience been with demanding games?
2.0
5.4
Number of reviews
51 reviews
7 reviews

Camera

Main
No. of cameras Rear camera Double rear camera
1
Camera type

Standard

Standard
Resolution 8 Mpx 13 Mpx
Sensor Unknown Unknown
Type CMOS CMOS
Aperture ƒ/ 2.2 ƒ/ 1.9
ISO -- --
Pixel size -- --
Pixel Binning -- --
Sensor size -- --
2
Camera type
--

Resolution
5 Mpx
Sensor
Unknown
Type
--
Aperture
ƒ/ 1.9
Pixel size
--
Pixel Binning
--
Sensor size
--

Features
Flash LED LED
Optical Stabilisation No No
Slow Motion Video No,
30 fps 		No,
30 fps
Others
  • Digital zoom
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • Digital zoom
  • Dual camera
  • Digital image stabilization
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • Front Flash

Selfie
SELF
Camera type

Dedicated

Dedicated
Resolution 5 Mpx 8 Mpx
Sensor Unknown Unknown
Type -- --
Aperture ƒ/ 2.2 ƒ/ 1.9
Pixel size -- --
Pixel Binning -- --
Sensor size -- --
Others
--
--

DxOMark Score
DxOMark Score -- --

User reviews

Quality of daytime photos
4.9
6.7
Quality of nighttime photos
2.7
4.9
Quality of selfies
4.6
6.0
Does it have a powerful flash?
5.4
5.9
Number of reviews
51 reviews
7 reviews

Connectivity

Network compatibility

5G -- --
4G LTE
  • B1 (2100)
  • B3 (1800)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B20 (800)
  • B38 (TDD 2600)
  • B40 (TDD 2300)
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B12 (700)
  • B13 (700)
  • B17 (700)
  • B20 (800)
  • B28b (700)
  • B28a (700)
  • B38 (TDD 2600)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B66 (1700/2100)
3G
  • B1 (2100)
  • B5 (850)
  • B8 (900)
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B5 (850)
  • B8 (900)
2G
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)

SIM card
Dual SIM Dual Sim Dual Standby Dual Sim Dual Standby
Type
  • Nano SIM
  • Nano SIM
  • Nano SIM
  • Nano SIM

Wi-Fi
Wi-Fi
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
Others
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct

Bluetooth
Version Bluetooth 4.2 Bluetooth 4.2
Others
  • A2DP (Advanced Audio Distribution Profile)
  • AVRCP (Audio/Visual Remote Control Profile)
  • EDR (Enhanced Data Rate)
  • HFP (Hands-Free Profile)
  • HID (Human Interface Profile)
  • MAP (Message Access Profile)
  • SPP (Serial Port Protocol)
  • OPP (Object Push Profile)
  • PBAP/PAB (Phone Book Access Profile)
  • HDP (Health Device Profile)
  • A2DP (Advanced Audio Distribution Profile)
  • AVRCP (Audio/Visual Remote Control Profile)
  • DIP (Device ID Profile)
  • HFP (Hands-Free Profile)
  • HID (Human Interface Profile)
  • HSP (Headset Profile)
  • MAP (Message Access Profile)
  • PAN (Personal Area Networking Profile)
  • OPP (Object Push Profile)
  • PBAP/PAB (Phone Book Access Profile)

Navigation
Navigation
  • GPS
  • A-GPS
  • GLONASS
  • Beidou
  • GPS
  • A-GPS
  • GLONASS
  • Beidou

USB
USB
  • Charging
  • Mass Storage
  • Charging
  • Mass Storage

SAR
European measurement

The European Union sets a limit of 2 W/kg averaged over 10 grams of tissue.

 0.933 W/Kg on head
1.587 W/Kg on body 		0.543 W/Kg on head
1.397 W/Kg on body
American measurement

The FCC limit is 1.6 W/kg measured in a volume of 1 gram of tissue

 -- --

Others
Others
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.
  • ANT+

User reviews

Does it have good coverage for calls?
6.1
7.4
Quality of the GPS
5.6
7.3
And the WiFi?
5.1
7.4
Number of reviews
51 reviews
7 reviews

Battery

Battery
Capacity
2600 mAh
See more details
3000 mAh
See more details
Type Li-Ion Li-Polymer
Fast charge No No
Others
  • Removable
  • Removable

User reviews

How long does the battery last?
  • 20%
    Less than half day
  • 37%
    Less than a day
  • 27%
    One day
  • 14%
    More than one day
  • 2%
    Two days or more
  • 0%
    Less than half day
  • 29%
    Less than a day
  • 43%
    One day
  • 29%
    More than one day
  • 0%
    Two days or more
Number of reviews
51 reviews
7 reviews

Software

Software
Operating System
  • Android 8.1 Oreo Go Edition
    Android 8.0 Oreo, 6 years ago
  • Android 9.0 Pie
    Android 9.0 P, 5 years ago
Google Services (official) Yes Yes

User reviews

Did it come with preinstalled applications?
  • 4%
    It comes with a clean operating system
  • 45%
    It has preinstalled apps but they don't bother me
  • 51%
    It has preinstalled apps that I can't uninstall
  • 0%
    It comes with a clean operating system
  • 57%
    It has preinstalled apps but they don't bother me
  • 43%
    It has preinstalled apps that I can't uninstall
Do you regularly receive updates?
  • 27%
    Never
  • 14%
    Once a year
  • 43%
    Every six months
  • 16%
    Every two months or less
  • 17%
    Never
  • 0%
    Once a year
  • 50%
    Every six months
  • 33%
    Every two months or less
Number of reviews
51 reviews
7 reviews
Prices
From $ 248 --
Prices unavailable