Samsung Galaxy J3 (2016) vs Samsung Galaxy J7 (2018)

Display

Display size

5.0 inches
5.5 inches

Resolution

720 x 1280 pixels
720 x 1280 pixels

Pixel density

294 ppi
267 ppi

Technology

Super AMOLED
TFT

Screen-to-body ratio

67.89 %
71.45 %

Features

Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Camera

Rear

Single camera
Single camera

Main camera

8 megapixels
13 megapixels

Hardware Features

Autofocus, CMOS image sensor
Phase detection autofocus

Specifications

 
Aperture size: F1.7; Focal length: 28 mm; Sensor size: 1/3.06"; Pixel size: 1.12 μm

Flash

LED
LED

Video recording

1280x720 (HD) (30 fps)
1920x1080 (Full HD) (30 fps)

Features

Video calling, Video sharing
Video calling, Video sharing

Front

5 megapixels
13 megapixels

Design

Dimensions

5.60 x 2.81 x 0.31 inches (142.2 x 71.4 x 7.9 mm)
6.03 x 3 x 0.34 inches (153.2 x 76.2 x 8.6 mm)

Weight

4.87 oz (138 g)
the average is 6 oz (172 g)
6.38 oz (181 g)
the average is 6 oz (172 g)

Materials

 
Back: Plastic

Biometrics

 
2D Face unlock

Features

Touch sensitive control keys
Touch sensitive control keys

Colors

Black, Gold, White
Black

Hardware & Performance

System chip

Qualcomm Snapdragon 410 8916
Samsung Exynos 7 Octa 7870

Processor

Quad-core, 1200 MHz, ARM Cortex-A53, 64-bit, 28 nm
Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit, 14 nm

GPU

Adreno 306
Mali-T830 MP1

RAM

1.5 GB
2 GB

Internal storage

8 GB
32 GB

Maximum User Storage

4.3 GB
 

Storage expansion

up to 128 GB
up to 400 GB

OS

Android (7.0 Nougat, 6.0 Marshmallow, 5.1 Lollipop)
Android (8.0 Oreo)

Battery

Capacity

2600 mAh
3300 mAh

Talk time

 
31.10 hours
the average is 22 h (1342 min)

Stand-by time

 
32.0 days (768 hours)
the average is 20 days (480 h)

Talk time (3G)

13.00 hours
the average is 23 h (1364 min)
 

Internet use

 
 

3G

9 hours
 

LTE

9 hours
 

Wi-Fi

11 hours
 

Music playback

53.00 hours
76.70 hours

Video playback

11.00 hours
20.00 hours

Cellular

LTE (FDD)

Bands 1, 3, 5, 7, 8, 20
Bands 2, 3, 4, 5, 7, 12, 14

UMTS

850, 900, 1900, 2100 MHz
850, 1900, 2100 MHz

GSM

850, 900, 1800, 1900 MHz
850, 900, 1800, 1900 MHz

Data

LTE, HSPA, UMTS
LTE, HSPA, HSUPA

SIM type

Micro SIM
Nano SIM

HD Voice

 
Yes

Connectivity

Bluetooth

4.0
4.2

Wi-Fi

802.11 b, g, n
802.11 a, b, g, n, ac, dual-band

USB

USB 2.0
USB 2.0

Connector

microUSB
microUSB

Features

Mass storage device, USB charging
Mass storage device

Location

GPS, A-GPS
GPS, A-GPS, Glonass

Other

NFC, Tethering, Computer sync, OTA sync
ANT+, UMA (Wi-Fi Calling), VoIP, Tethering, Computer sync, OTA sync

Phone features

Sensors

Accelerometer, Compass
Accelerometer, Gyroscope, Compass

Notifications

Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Haptic feedback, Music ringtones, Vibration, Flight mode, Silent mode, Speakerphone

Hearing aid compatibility

 
M3, T3

Other features

Voice dialing, Voice commands, Voice recording
Voice dialing, Voice commands, Voice recording, TTY/TDD

Multimedia

Screen mirroring

Wireless screen share
Wireless screen share

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Headphones connector

3.5mm
3.5mm

Additional microphone(s)

for Noise cancellation
 

Regulatory Approval

FCC approval

 
 

Date approved

 
Apr 24, 2018

 
FCC ID value: A3LSMJ737A link

FCC measured SAR

 
 

Head

 
1.03 W/kg

Body

 
0.76 W/kg

Simultaneous Transmission

 
1.58 W/kg

Wireless Router

 
0.98 W/kg

Phablet

 
3.58 W/kg

Shopping information

In The Box

 
microUSB cable, Wall Charger

MSRP price

 
$ 230
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