Samsung Galaxy J7 (2018) vs Samsung Galaxy J7 Star

Display

Display size

5.5 inches
5.5 inches

Resolution

720 x 1280 pixels
720 x 1280 pixels

Pixel density

267 ppi
267 ppi

Technology

TFT
TFT

Screen-to-body ratio

71.45 %
71.45 %

Features

Scratch-resistant glass (Corning Gorilla Glass 5), 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

13 megapixels
13 megapixels

Hardware Features

Phase detection autofocus
Phase detection autofocus

Specifications

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

Video recording

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

Features

Video calling, Video sharing
 

Front

13 megapixels
13 megapixels

Design

Dimensions

6.03 x 3 x 0.34 inches (153.2 x 76.2 x 8.6 mm)
6.03 x 3 x 0.34 inches (153.2 x 76.2 x 8.6 mm)

Weight

6.38 oz (181 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
2D Face unlock

Features

Touch sensitive control keys
Touch sensitive control keys

Colors

Black
Blue

Multimedia

Headphones

3.5 mm jack
3.5 mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

Album art cover, Background playback
 

Screen mirroring

Wireless screen share
Wireless screen share

Hardware & Performance

System chip

Samsung Exynos 7 Octa 7870
Samsung Exynos 7 Octa 7870

Processor

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

GPU

Mali-T830 MP1
Mali-T830 MP1

RAM

2 GB
2 GB

Internal storage

32 GB
32 GB

Storage expansion

microSDXC up to 400 GB
microSDXC up to 400 GB

OS

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

Connectivity & Features

Bluetooth

4.2
4.2

Wi-Fi

802.11 a, b, g, n, ac, dual-band; 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
 

Location

GPS, A-GPS, Glonass
GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning

Sensors

Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass

Other

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

Cellular

LTE (FDD)

Bands 2, 3, 4, 5, 7, 12, 14
Bands 2, 4, 5, 12, 66, 71

UMTS

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

Data

LTE, HSPA, HSUPA
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

Battery

Capacity

3300 mAh
3300 mAh

Type

Not user replaceable
Li - Polymer, Not user replaceable

Talk time

31.10 hours
the average is 20 h (1174 min)
27.65 hours
the average is 20 h (1174 min)

Stand-by time

32.0 days (768 hours)
the average is 20 days (491 h)
27.9 days (670 hours)
the average is 20 days (491 h)

Music playback

76.70 hours
76.70 hours

Video playback

20.00 hours
19.00 hours

Phone features

Notifications

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

Other features

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

Regulatory Approval

FCC approval

 
 

Date approved

Apr 24, 2018
May 10, 2018

FCC ID value: A3LSMJ737A link
FCC ID value: A3LSMJ737T link

Measured SAR

 
 

Head

1.03 W/kg
1.36 W/kg

Body

0.76 W/kg
1.01 W/kg

Simultaneous Transmission

1.58 W/kg
1.58 W/kg

Wireless Router

0.98 W/kg
1.11 W/kg

Phablet

3.58 W/kg
3.60 W/kg

Shopping information

In The Box

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

MSRP price

$ 230
 
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