Samsung Galaxy S6 vs Samsung Galaxy J7 Perx

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Display

Display size

5.1 inches
5.5 inches

Resolution

1440 x 2560 pixels
720 x 1280 pixels

Pixel density

577 ppi
267 ppi

Technology

Super AMOLED
TFT

Screen-to-body ratio

70.48 %
73.03 %

Features

Scratch-resistant glass (Corning Gorilla Glass 4), Ambient light sensor, Proximity sensor
Proximity sensor

Camera

Rear

Single camera
Single camera

Main camera

16 megapixels
8 megapixels

Hardware Features

Optical image stabilization, Autofocus, Back-illuminated sensor (BSI)
Autofocus, CMOS image sensor

Specifications

Aperture size: F1.9; Focal length: 28 mm; Sensor size: 1/2.6"; Pixel size: 1.12 μm
 

Flash

LED
LED

Video recording

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (120 fps)
1920x1080 (Full HD) (30 fps)

Features

Optical image stabilization, High Dynamic Range mode (HDR), Continuous autofocus, Picture-taking during video recording, Video light, Video calling
Video calling, Video sharing

Front

5 megapixels
5 megapixels

Features

High Dynamic Range mode (HDR)
 

Design

Dimensions

5.65 x 2.78 x 0.27 inches (143.4 x 70.5 x 6.8 mm)
5.9 x 3 x 0.3 inches (149.9 x 76.2 x 7.6 mm)

Weight

4.87 oz (138 g)
the average is 6 oz (172 g)
5.90 oz (167 g)
the average is 6 oz (172 g)

Materials

Back: Glass; Frame: Aluminum
 

Biometrics

Fingerprint (touch)
 

Features

Touch sensitive control keys
Touch sensitive control keys

Colors

Black, Gold, Blue, White
Black

Hardware & Performance

System chip

Samsung Exynos 7 Octa 7420
Qualcomm Snapdragon 625 8953

Processor

Octa-core, 2100 MHz, ARM Cortex-A57 and ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2200 MHz, ARM Cortex-A53, 64-bit, 14 nm

GPU

Mali-T760 MP8
Adreno 506

RAM

3 GB
2 GB

Internal storage

128 GB, not expandable
16 GB

Storage expansion

 
up to 128 GB

OS

Android (7.0 Nougat, 6.0 Marshmallow, 5.1 Lollipop, 5.0 Lollipop), Samsung TouchWiz UI
Android (7.0 Nougat)

Battery

Capacity

2550 mAh
3300 mAh

Charging

Yes, Qi and Powermat wireless charging
 

Talk time

 
40.00 hours
the average is 23 h (1379 min)

Talk time (3G)

23.00 hours
the average is 23 h (1387 min)
 

Internet use

 
 

3G

10 hours
14 hours

LTE

12 hours
16 hours

Wi-Fi

12 hours
18 hours

Music playback

57.00 hours
156.00 hours

Video playback

13.00 hours
17.00 hours

Cellular

LTE (FDD)

Bands 1, 2, 3, 4, 5, 7, 8, 17, 20
Bands 2, 4, 5, 12, 25, 26

LTE (TDD)

 
Bands 41

UMTS

850, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz

GSM

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

CDMA

 
800, 1900 MHz

Data

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

SIM type

Nano SIM
 

HD Voice

 
Yes

Connectivity

Bluetooth

4.1
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, USB charging

Mobile Payment

Samsung Pay
 

Location

GPS, A-GPS, Glonass
GPS, A-GPS, Glonass

Other

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

Phone features

Sensors

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

Notifications

Notification light, Haptic feedback, Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Haptic feedback

Hearing aid compatibility

M3, T3
 

Other features

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

Multimedia

Screen mirroring

DLNA, Wireless screen share
Wireless screen share

Radio

 
FM

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Headphones connector

3.5mm
3.5mm

Additional microphone(s)

for Noise cancellation, Video recording
 

Regulatory Approval

FCC approval

 
 

Date approved

Mar 02, 2015
Aug 01, 2017

FCC ID value: A3LSMG920A link
FCC ID value: A3LSMJ727P link

FCC measured SAR

 
 

Head

0.49 W/kg
0.65 W/kg

Body

0.96 W/kg
0.17 W/kg

Simultaneous Transmission

1.25 W/kg
1.59 W/kg

Wireless Router

1.04 W/kg
0.59 W/kg

Phablet

 
3.99 W/kg
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