Samsung Galaxy S6 vs Samsung Galaxy J7 (2018)

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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 %
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

16 megapixels
13 megapixels

Hardware Features

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

Specifications

Aperture size: F1.9; Focal length: 28 mm; Sensor size: 1/2.6"; Pixel size: 1.12 μm
Aperture size: F1.7; Focal length: 28 mm; Sensor size: 1/3.06"; 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
13 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)
6.03 x 3 x 0.34 inches (153.2 x 76.2 x 8.6 mm)

Weight

4.87 oz (138 g)
the average is 6 oz (172 g)
6.38 oz (181 g)
the average is 6 oz (172 g)

Materials

Back: Glass; Frame: Aluminum
Back: Plastic

Biometrics

Fingerprint (touch)
2D Face unlock

Features

Touch sensitive control keys
Touch sensitive control keys

Colors

Black, Gold, Blue, White
Black

Hardware & Performance

System chip

Samsung Exynos 7 Octa 7420
Samsung Exynos 7 Octa 7870

Processor

Octa-core, 2100 MHz, ARM Cortex-A57 and ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit, 14 nm

GPU

Mali-T760 MP8
Mali-T830 MP1

RAM

3 GB
2 GB

Internal storage

128 GB, not expandable
32 GB

Storage expansion

 
up to 400 GB

OS

Android (7.0 Nougat, 6.0 Marshmallow, 5.1 Lollipop, 5.0 Lollipop), Samsung TouchWiz UI
Android (8.0 Oreo)

Battery

Capacity

2550 mAh
3300 mAh

Charging

Yes, Qi and Powermat wireless charging
 

Talk time

 
31.10 hours
the average is 22 h (1342 min)

Stand-by time

 
32.0 days (768 hours)
the average is 20 days (480 h)

Talk time (3G)

23.00 hours
the average is 23 h (1364 min)
 

Internet use

 
 

3G

10 hours
 

LTE

12 hours
 

Wi-Fi

12 hours
 

Music playback

57.00 hours
76.70 hours

Video playback

13.00 hours
20.00 hours

Cellular

LTE (FDD)

Bands 1, 2, 3, 4, 5, 7, 8, 17, 20
Bands 2, 3, 4, 5, 7, 12, 14

UMTS

850, 1900, 2100 MHz
850, 1900, 2100 MHz

GSM

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

Data

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

SIM type

Nano SIM
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

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+, 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

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

DLNA, Wireless screen share
Wireless screen share

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
Apr 24, 2018

FCC ID value: A3LSMG920A link
FCC ID value: A3LSMJ737A link

FCC measured SAR

 
 

Head

0.49 W/kg
1.03 W/kg

Body

0.96 W/kg
0.76 W/kg

Simultaneous Transmission

1.25 W/kg
1.58 W/kg

Wireless Router

1.04 W/kg
0.98 W/kg

Phablet

 
3.58 W/kg

Shopping information

In The Box

 
microUSB cable, Wall Charger

MSRP price

 
$ 230
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