Samsung Galaxy J7 Perx vs Samsung Galaxy J7 Refine

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

73.03 %
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

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

5.9 x 3 x 0.3 inches (149.9 x 76.2 x 7.6 mm)
6.03 x 3 x 0.34 inches (153.2 x 76.2 x 8.6 mm)

Weight

5.90 oz (167 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

Black
Gold

Hardware & Performance

System chip

Qualcomm Snapdragon 625 8953
Samsung Exynos 7 Octa 7884

Processor

Octa-core, 2200 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit, 14 nm

GPU

Adreno 506
Mali-T830 MP1

RAM

2 GB
2 GB

Internal storage

16 GB
32 GB

Storage expansion

up to 128 GB
up to 400 GB

OS

Android (7.0 Nougat)
Android (8.0 Oreo)

Battery

Capacity

3300 mAh
3300 mAh

Talk time

40.00 hours
the average is 23 h (1379 min)
31.00 hours
the average is 23 h (1379 min)

Internet use

 
 

3G

14 hours
 

LTE

16 hours
 

Wi-Fi

18 hours
 

Music playback

156.00 hours
 

Video playback

17.00 hours
20.00 hours

Cellular

LTE (FDD)

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

LTE (TDD)

Bands 41
Bands 41

UMTS

850, 900, 1700/2100, 1900, 2100 MHz
 

GSM

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

CDMA

800, 1900 MHz
800, 1900 MHz

Data

LTE, HSPA, UMTS
LTE-A Cat 6 (300/50 Mbit/s), HSPA, HSUPA

SIM type

 
Nano SIM

HD Voice

Yes
Yes

Connectivity

Bluetooth

4.2
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+, VoIP, Tethering, Computer sync, OTA sync
ANT+, UMA (Wi-Fi Calling), VoIP, Tethering, Computer sync, OTA sync

Phone features

Sensors

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

Notifications

Haptic feedback
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

Radio

FM
 

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Headphones connector

3.5mm
3.5mm

Additional microphone(s)

 
Yes

Regulatory Approval

FCC approval

 
 

Date approved

Aug 01, 2017
May 07, 2018

FCC ID value: A3LSMJ727P link
FCC ID value: A3LSMJ737P link

FCC measured SAR

 
 

Head

0.65 W/kg
0.96 W/kg

Body

0.17 W/kg
0.76 W/kg

Simultaneous Transmission

1.59 W/kg
1.59 W/kg

Wireless Router

0.59 W/kg
1.20 W/kg

Phablet

3.99 W/kg
3.91 W/kg

Shopping information

In The Box

 
Charger, USB Cable, Important Information Booklet
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.