Samsung Galaxy J7 Prime T-Mobile 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

72.05 %
71.45 %

Features

Scratch-resistant glass (Corning Gorilla Glass 4), 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

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

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

Features

Video calling, Video sharing
Video calling, Video sharing

Front

5 megapixels
13 megapixels

Design

Dimensions

5.96 x 3.01 x 0.34 inches (151.5 x 76.4 x 8.6 mm)
6.03 x 3 x 0.34 inches (153.2 x 76.2 x 8.6 mm)

Weight

5.6 oz (159 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

Colors

Gray
Blue

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

16 GB
32 GB

Storage expansion

up to 256 GB
up to 400 GB

OS

Android (7.0 Nougat)
Android (8.0 Oreo)

Battery

Capacity

3300 mAh
3300 mAh

Charging

Yes
 

Talk time

40.00 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

14 hours
 

LTE

16 hours
 

Wi-Fi

18 hours
 

Music playback

156.00 hours
76.70 hours

Video playback

17.00 hours
19.00 hours

Cellular

LTE (FDD)

Bands 1, 2, 3, 4, 5, 7, 12
Bands 2, 4, 5, 12, 66, 71

UMTS

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

GSM

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

Data

LTE-A Cat 6 (300/50 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

VoLTE

Yes
 

Connectivity

Bluetooth

4.1, EDR
4.2

Wi-Fi

802.11 a, b, g, n, ac, 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

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

Phone features

Sensors

Accelerometer, Gyroscope, Compass, Hall (for flip covers)
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

Radio

FM
 

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Headphones connector

3.5mm
3.5mm

Regulatory Approval

FCC approval

 
 

Date approved

Mar 23, 2017
May 10, 2018

FCC ID value: A3LSMJ727T link
FCC ID value: A3LSMJ737T link

FCC measured SAR

 
 

Head

0.62 W/kg
1.36 W/kg

Body

0.34 W/kg
1.01 W/kg

Simultaneous Transmission

1.59 W/kg
1.58 W/kg

Wireless Router

0.92 W/kg
1.11 W/kg

Phablet

3.87 W/kg
3.60 W/kg

Shopping information

In The Box

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