Samsung Galaxy J3 Emerge vs Samsung Galaxy J7 Star

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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

TFT
TFT

Screen-to-body ratio

69.74 %
71.45 %

Features

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

Camera

Rear

Single camera
Single camera

Main camera

5 megapixels
13 megapixels

Hardware Features

Autofocus
Phase detection autofocus

Specifications

Aperture size: F1.9
Aperture size: F1.7; Focal length: 28 mm; Sensor size: 1/3.06"; Pixel size: 1.12 μm

Flash

LED
LED

Video recording

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

Features

Video calling, Video sharing
Video calling, Video sharing

Front

2 megapixels
13 megapixels

Design

Dimensions

5.55 x 2.76 x 0.34 inches (140.9 x 70.1 x 8.7 mm)
6.03 x 3 x 0.34 inches (153.2 x 76.2 x 8.6 mm)

Weight

5.19 oz (147 g)
the average is 6 oz (172 g)
6.38 oz (181 g)
the average is 6 oz (172 g)

Biometrics

 
2D Face unlock

Features

Touch sensitive control keys
Touch sensitive control keys

Colors

Silver
Blue

Hardware & Performance

System chip

Qualcomm Snapdragon 425 8917
Samsung Exynos 7 Octa 7870

Processor

Quad-core, 1400 MHz, ARM Cortex-A53, 64-bit, 28 nm
Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit, 14 nm

GPU

Adreno 308
Mali-T830 MP1

RAM

1.5 GB
2 GB

Internal storage

16 GB
32 GB

Maximum User Storage

9.1 GB
 

Storage expansion

up to 256 GB
up to 400 GB

OS

Android (6.0 Marshmallow)
Android (8.0 Oreo)

Battery

Capacity

2600 mAh
3300 mAh

Talk time

23.00 hours
the average is 23 h (1379 min)
27.65 hours
the average is 23 h (1379 min)

Stand-by time

 
27.9 days (670 hours)
the average is 21 days (498 h)

Internet use

 
 

3G

11 hours
 

LTE

12 hours
 

Wi-Fi

13 hours
 

Music playback

71.00 hours
76.70 hours

Video playback

13.00 hours
19.00 hours

Cellular

LTE (FDD)

Bands 2, 4, 5, 12, 25, 26
Bands 2, 4, 5, 12, 66, 71

LTE (TDD)

Bands 41
 

UMTS

850, 1700/2100, 1900 MHz
850, 1700/2100, 1900, 2100 MHz

GSM

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

CDMA

800, 1900 MHz
 

Data

LTE Cat 4 (150/50 Mbit/s), HSPA
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

SIM type

Nano SIM
Nano SIM

HD Voice

Yes
Yes

Connectivity

Bluetooth

4.2
4.2

Wi-Fi

802.11 a, b, g, n, dual-band
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, Glonass
GPS, A-GPS, Glonass

Other

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

Phone features

Sensors

Accelerometer, Gyroscope
Accelerometer, Gyroscope, Compass

Notifications

Haptic feedback
Haptic feedback, Music ringtones, Vibration, Flight mode, Silent mode, Speakerphone

Hearing aid compatibility

M3, T3
M3, T3

Other features

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

Regulatory Approval

FCC approval

 
 

Date approved

Oct 24, 2016
May 10, 2018

FCC ID value: A3LSMJ327P link
FCC ID value: A3LSMJ737T link

FCC measured SAR

 
 

Head

0.49 W/kg
1.36 W/kg

Body

0.53 W/kg
1.01 W/kg

Simultaneous Transmission

1.24 W/kg
1.58 W/kg

Wireless Router

0.94 W/kg
1.11 W/kg

Phablet

 
3.60 W/kg

Shopping information

In The Box

 
USB cable, Wall charging adapter, Start guide, Terms & Conditions
This copy is for your personal, non-commercial use only. You can order presentation-ready copies for distribution to your colleagues, clients or customers at https://www.parsintl.com/phonearena or use the Reprints & Permissions tool that appears at the bottom of each web page. Visit https://www.parsintl.com/ for samples and additional information.