Samsung Galaxy S8 vs Samsung Galaxy J7 V (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

570 ppi
267 ppi

Technology

Super AMOLED
TFT

Screen-to-body ratio

84.26 %
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
Autofocus

Specifications

Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.7

Video recording

3840x2160 (4K UHD) (30 fps), 2560x1440 (QHD), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (240 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 light, Digital image stabilization, Video calling, Video sharing
Video calling, Video sharing

Front

8 megapixels
13 megapixels

Features

Wide Angle, Autofocus, High Dynamic Range mode (HDR)
 

Design

Dimensions

5.86 x 2.68 x 0.31 inches (148.9 x 68.1 x 8.0 mm)
6.03 x 3 x 0.34 inches (153.2 x 76.2 x 8.6 mm)

Weight

5.47 oz (155 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 5); Frame: Aluminum
 

Resistance

Water, Dust; IP 68
 

Biometrics

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

Features

 
Touch sensitive control keys

Colors

Black, Gold, Silver, Purple, Pink, Blue
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, MHL
Wireless screen share

Additional microphone(s)

for Noise cancellation, Video recording
 

Hardware & Performance

System chip

Qualcomm Snapdragon 835 MSM8998
Samsung Exynos 7 Octa 7884

Processor

Octa-core, 2350 MHz, Kryo 280, 64-bit, 10 nm
Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit, 14 nm

GPU

Adreno 540
Mali-T830 MP1

RAM

4 GB
2 GB

Internal storage

64 GB
32 GB

Storage expansion

microSDXC up to 256 GB
microSDXC up to 400 GB

OS

Android (9.0 Pie, 8.0 Oreo, 7.0 Nougat), Samsung One UI
Android (8.0 Oreo)

Connectivity & Features

Bluetooth

5.0, EDR
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

USB Type-C (reversible), USB 3.1
microUSB, USB 2.0

Features

Mass storage device, Video out
Mass storage device

Location

GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
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, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66
Bands 2, 3, 4, 5, 7, 13

LTE (TDD)

Bands 38, 39, 40, 41
 

UMTS

850, 900, 1900, 2100 MHz
850, 900, 1900, 2100 MHz

Data

LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A Cat 6 (300/50 Mbit/s), UMTS

SIM type

Nano SIM
Nano SIM

HD Voice

Yes
Yes

Battery

Capacity

3000 mAh
3300 mAh

Type

Li - Ion, Not user replaceable
Not user replaceable

Charging

Qualcomm Quick Charge 2.0, Qi and Powermat wireless charging
 

Talk time

30.00 hours
the average is 20 h (1174 min)
 

Stand-by time

13.4 days (321 hours)
the average is 20 days (491 h)
14.0 days (336 hours)
the average is 20 days (491 h)

Internet use

3G: 12 hours; LTE: 14 hours; Wi-Fi: 14 hours
 

Music playback

88.00 hours
 

Video playback

17.00 hours
20.00 hours

Phone features

Notifications

Haptic feedback
Haptic feedback, Music ringtones, Vibration, Flight mode, Silent mode, Speakerphone

Other features

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

Regulatory Approval

FCC approval

 
 

Date approved

Apr 06, 2017
May 07, 2018

FCC ID value: A3LSMG950U link
FCC ID value: A3LSMJ737V link

Measured SAR

 
 

Head

0.49 W/kg
0.91 W/kg

Body

0.48 W/kg
0.81 W/kg

Simultaneous Transmission

1.53 W/kg
1.59 W/kg

Wireless Router

0.46 W/kg
1.01 W/kg

Phablet

 
3.98 W/kg

Shopping information

MSRP price

 
$ 240
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