Samsung Galaxy J3 (2018) vs Samsung Galaxy J7 Star

$135.00 VIEW ON AMAZON
$134.99 VIEW ON eBay

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

68.87 %
71.45 %

Features

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

Hardware & Performance

System chip

Samsung Exynos 7 Quad 7570
Samsung Exynos 7 Octa 7870

Processor

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

GPU

Mali-T720 MP1
Mali-T830 MP1

RAM

2 GB
2 GB

Internal storage

16 GB
32 GB

Storage expansion

microSDXC up to 400 GB
microSDXC up to 400 GB

OS

Android (9.0 Pie, 8.0 Oreo)
Android (9.0 Pie, 8.0 Oreo), Samsung One UI

Battery

Capacity

2600 mAh
3300 mAh

Type

User replaceable
Li - Polymer, Not user replaceable

Camera

Rear

Single camera
Single camera

Main camera

8 megapixels
13 megapixels

Features

Autofocus, Back-illuminated sensor (BSI)
Phase detection autofocus

Video recording

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

Features

Video calling, Video sharing
 

Front

5 megapixels
13 megapixels

Design

Dimensions

5.62 x 2.76 x 0.35 inches (142.7 x 70.1 x 8.9 mm)
6.03 x 3 x 0.34 inches (153.2 x 76.2 x 8.6 mm)

Weight

5.36 oz (152 g)
the average is 6.1 oz (174 g)
6.38 oz (181 g)
the average is 6.1 oz (174 g)

Materials

Back: Plastic
 

Biometrics

 
2D Face unlock

Features

Touch sensitive control keys
Touch sensitive control keys

Colors

Silver
Blue

Cellular

LTE (FDD)

Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 14(700 PS)
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 66(AWS-3), 71(600)

UMTS

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

Data Speed

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

Multimedia

Headphones

3.5mm jack
3.5mm jack

Features

Album art cover, Background playback
 

Connectivity & Features

Bluetooth

4.2
4.2

Wi-Fi

802.11 b, g, n; Hotspot, Wi-Fi Direct
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB

microUSB, USB 2.0
microUSB, USB 2.0

Features

Mass storage device, Charging
Charging

Sensors

Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass

Other

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

Phone features

Notifications

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

Other features

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

Shopping information

In The Box

Charger and microUSB cable
USB cable, Wall charging adapter, Start guide, Terms & Conditions
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