Samsung Galaxy S9 vs Samsung Galaxy J7 (2018)

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Display

Display size

5.8 inches
5.5 inches

Resolution

1440 x 2960 pixels
720 x 1280 pixels

Pixel density

568 ppi
267 ppi

Technology

Super AMOLED
TFT

Screen-to-body ratio

84.36 %
71.45 %

Features

HDR video support, 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

12 megapixels
13 megapixels

Hardware Features

Optical image stabilization, Phase detection autofocus
Phase detection autofocus

Specifications

Aperture size: F1.5/F2.4; Sensor size: 1/2.55"; Pixel size: 1.4 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) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
1920x1080 (Full HD) (30 fps)

Features

High Dynamic Range mode (HDR), Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video calling, Video sharing
Video calling, Video sharing

Front

8 megapixels
13 megapixels

Features

Autofocus, High Dynamic Range mode (HDR)
 

Design

Dimensions

5.81 x 2.70 x 0.33 inches (147.7 x 68.7 x 8.5 mm)
6.03 x 3 x 0.34 inches (153.2 x 76.2 x 8.6 mm)

Weight

5.75 oz (163 g)
the average is 6 oz (172 g)
6.38 oz (181 g)
the average is 6 oz (172 g)

Materials

Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum
Back: Plastic

Resistance

Water, Dust
 

IP certified

IP 68
 

Biometrics

Iris scanner, 2D Face unlock, Fingerprint (touch)
2D Face unlock

Features

 
Touch sensitive control keys

Colors

Black, Gold, Gray, Purple, Blue, Red
Black

Hardware & Performance

System chip

Qualcomm Snapdragon 845 SDM845
Samsung Exynos 7 Octa 7870

Processor

Octa-core, 2800 MHz, Kryo 385, 64-bit, 10 nm
Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit, 14 nm

GPU

Adreno 630
Mali-T830 MP1

RAM

4 GB
2 GB

Internal storage

256 GB
32 GB

Storage expansion

up to 400 GB
up to 400 GB

OS

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

Battery

Capacity

3000 mAh
3300 mAh

Charging

Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging
 

Talk time

31.00 hours
the average is 22 h (1342 min)
31.10 hours
the average is 22 h (1342 min)

Stand-by time

3.4 days (82 hours)
the average is 20 days (480 h)
32.0 days (768 hours)
the average is 20 days (480 h)

Internet use

 
 

3G

11 hours
 

LTE

12 hours
 

Wi-Fi

14 hours
 

Music playback

51.00 hours
76.70 hours

Video playback

17.00 hours
20.00 hours

Cellular

LTE (FDD)

Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71
Bands 2, 3, 4, 5, 7, 12, 14

LTE (TDD)

Bands 38, 39, 40, 41, 46
 

UMTS

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

GSM

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

CDMA

800, 1900 MHz
 

Data

LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA
LTE, HSPA, HSUPA

SIM type

Nano SIM
Nano SIM

HD Voice

 
Yes

Connectivity

Bluetooth

5.0
4.2

Wi-Fi

802.11 a, b, g, n, ac, dual-band
802.11 a, b, g, n, ac, dual-band

USB

USB 3.1
USB 2.0

Connector

USB Type-C (reversible)
microUSB

Features

Mass storage device, USB OTG, Video out
Mass storage device

Mobile Payment

Samsung Pay
 

Location

GPS, A-GPS, Glonass, Galileo, BeiDou
GPS, A-GPS, Glonass

Other

NFC, 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

Notification light, Haptic feedback, Music ringtones, Vibration, Flight mode, Silent mode, Speakerphone
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, Multiple speakers
Earpiece, Loudspeaker

Headphones connector

3.5mm
3.5mm

Regulatory Approval

FCC approval

 
 

Date approved

Jan 11, 2018
Apr 24, 2018

FCC ID value: A3LSMG960U link
FCC ID value: A3LSMJ737A link

FCC measured SAR

 
 

Head

0.35 W/kg
1.03 W/kg

Body

0.96 W/kg
0.76 W/kg

Simultaneous Transmission

1.59 W/kg
1.58 W/kg

Wireless Router

0.95 W/kg
0.98 W/kg

Phablet

 
3.58 W/kg

Shopping information

In The Box

 
microUSB cable, Wall Charger

MSRP price

$ 820
$ 230
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