Samsung Galaxy S7 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

576 ppi
267 ppi

Technology

Super AMOLED
TFT

Screen-to-body ratio

72.30 %
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

12 megapixels
13 megapixels

Hardware Features

Optical image stabilization, Phase detection autofocus
Phase detection autofocus

Specifications

Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2.5"; 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) (30 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (240 fps)
1920x1080 (Full HD) (30 fps)

Features

High Dynamic Range mode (HDR), Picture-taking during video recording, Video calling, Video sharing
Video calling, Video sharing

Front

5 megapixels
13 megapixels

Features

High Dynamic Range mode (HDR)
 

Design

Dimensions

5.61 x 2.74 x 0.31 inches (142.4 x 69.6 x 7.9 mm)
6.03 x 3 x 0.34 inches (153.2 x 76.2 x 8.6 mm)

Weight

5.36 oz (152 g)
the average is 6.1 oz (174 g)
6.38 oz (181 g)
the average is 6.1 oz (174 g)

Materials

Back: Glass (Corning Gorilla Glass 4); Frame: Aluminum
Back: Plastic

Resistance

Water, Dust; IP 68
 

Biometrics

Fingerprint (touch)
2D Face unlock

Features

Touch sensitive control keys
Touch sensitive control keys

Colors

Black, Gold, Silver, Pink, White
Black

Multimedia

Headphones

3.5 mm jack
3.5 mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

Album art cover, Background playback
Album art cover, Background playback

Screen mirroring

DLNA, Wireless screen share
Wireless screen share

Additional microphone(s)

for Noise cancellation
 

Hardware & Performance

System chip

Qualcomm Snapdragon 820 MSM8996
Samsung Exynos 7 Octa 7870

Processor

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

GPU

Adreno 530
Mali-T830 MP1

RAM

4 GB
2 GB

Internal storage

32 GB
32 GB

Available to use

24.5 GB
 

Storage expansion

microSDXC up to 200 GB
microSDXC up to 400 GB

OS

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

Connectivity & Features

Bluetooth

4.2
4.2

Wi-Fi

802.11 a, b, g, n, ac, dual-band; MIMO, Hotspot, Wi-Fi Direct
802.11 a, b, g, n, ac, dual-band; Hotspot, Wi-Fi Direct

USB

microUSB, USB 2.0
microUSB, USB 2.0

Features

Mass storage device, USB OTG, USB charging
Mass storage device

Location

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

Sensors

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

Mobile Payment

Samsung Pay
 

Other

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

Cellular

LTE (FDD)

Bands 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 29, 30
Bands 2, 3, 4, 5, 7, 12, 14

LTE (TDD)

Bands 38, 39, 40, 41
 

UMTS

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

Data

LTE-A Cat 9 (450/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE, HSPA, HSUPA

SIM type

Nano SIM
Nano SIM

HD Voice

Yes
Yes

VoLTE

Yes
 

Battery

Capacity

3000 mAh
3300 mAh

Type

Li - Ion, Not user replaceable
Not user replaceable

Charging

Qualcomm Quick Charge 2.0
 

Talk time

 
31.10 hours
the average is 20 h (1205 min)

Stand-by time

 
32.0 days (768 hours)
the average is 21 days (509 h)

Talk time (3G)

28.00 hours
the average is 23 h (1387 min)
 

Internet use

3G: 11 hours; LTE: 13 hours; Wi-Fi: 14 hours
 

Music playback

55.00 hours
76.70 hours

Video playback

16.00 hours
20.00 hours

Phone features

Notifications

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

Other features

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

Regulatory Approval

FCC approval

 
 

Date approved

Feb 12, 2016
Apr 24, 2018

FCC ID value: A3LSMG930F link
FCC ID value: A3LSMJ737A link

Measured SAR

 
 

Head

0.43 W/kg
1.03 W/kg

Body

1.06 W/kg
0.76 W/kg

Simultaneous Transmission

1.59 W/kg
1.58 W/kg

Wireless Router

1.03 W/kg
0.98 W/kg

Phablet

 
3.58 W/kg

Shopping information

In The Box

 
microUSB cable, Wall Charger

MSRP price

$ 699
$ 230
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