Samsung Galaxy S8 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

Aspect Ratio

18.5:9
16:9

Pixel density

570 ppi
267 ppi

Technology

Super AMOLED
TFT

Screen-to-body ratio

84.26 %
71.45 %

Colors

16 777 216
16 777 216

Touchscreen

Capacitive, Multi-touch
 

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: F1.7; Focal length: 26 mm; 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

Software Features

Manual focus, Object tracking, RAW image capture, HDR, Panorama, Face detection, Smile detection, Voice activation, Burst mode, Effects, Frames, Exposure compensation, ISO control, White balance presets, Shutter speed control, Touch to focus, Self-timer, Digital zoom, Geo tagging
HDR, Panorama, Face detection, Burst mode, Night mode, Exposure compensation, ISO control, White balance presets, Touch to focus, Digital zoom, Geo tagging

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)
 

Video capture

2560x1440 (QHD)
 

Design

Form factor

Candybar
Candybar

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 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 68
 

Biometrics

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

Features

 
Touch sensitive control keys

Keys

Left: Volume control, Other; Right: Lock/Unlock key
Left: Volume control; Right: Lock/Unlock key

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

Music player

 
 

Filter by

Album, Artist, Genre, Playlists
Album, Artist, Genre, Playlists

Supported formats

MP3, AAC, FLAC, WAV, M4A (Apple lossless), AMR, OGG, MIDI
MP3, AAC, FLAC, WAV, M4A (Apple lossless), AMR, OGG, MIDI

Video playback

 
 

Supported formats

MPEG4, H.263, H.264
MPEG4, H.263, H.264

Additional microphone(s)

for Noise cancellation, Video recording
 

Hardware & Performance

System chip

Qualcomm Snapdragon 835 MSM8998
Samsung Exynos 7 Octa 7870

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 LPDDR4
2 GB LPDDR3

Internal storage

64 GB
32 GB

Storage expansion

microSDXC up to 256 GB
microSDXC up to 400 GB

Device type

Smart phone
Smart phone

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

Profiles/ Protocols

Advanced Audio Distribution (A2DP), Audio/Visual Remote Control Profile (AVRCP), Device ID Profile (DID), Handsfree (HFP), Headset (HSP), HID over GATT Profile (HOGP), Human Interface Device (HID), Message Access Profile (MAP), Object Push (OPP), Personal Area Networking Profile (PAN), Phone Book Access (PBAP)
Advanced Audio Distribution (A2DP), Audio/Visual Remote Control Profile (AVRCP), Generic Access (GAP), Handsfree (HFP), Headset (HSP), Message Access Profile (MAP), Object Push (OPP), Phone Book Access (PBAP)

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

Charging connector

USB Type-C (reversible)
microUSB

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

Hearing aid compatible

M3, T3
M3, T3

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, 12, 14

LTE (TDD)

Bands 38, 39, 40, 41
 

UMTS

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

GSM

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

Data

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

2G Data

EDGE, GPRS
EDGE, GPRS

SIM type

Nano SIM
Nano SIM

HD Voice

Yes
Yes

Global Roaming

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 21 h (1288 min)
31.10 hours
the average is 21 h (1288 min)

Stand-by time

13.4 days (321 hours)
the average is 19 days (457 h)
32.0 days (768 hours)
the average is 19 days (457 h)

Internet use

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

Music playback

88.00 hours
76.70 hours

Video playback

17.00 hours
20.00 hours

Phone features

Notifications

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

Phonebook

Unlimited entries, Caller groups, Multiple numbers per contact, Search by both first and last name, Picture ID, Ring ID
Unlimited entries, Caller groups, Multiple numbers per contact, Search by both first and last name, Picture ID, Ring ID

Organizer

Calendar, Alarm, To-Do, Flashlight, Calculator, Unit converter, World clock, Timer, Stopwatch, Countdown timer, Memo
Calendar, Alarm, To-Do, Calculator, World clock, Timer, Stopwatch, Countdown timer

Messaging

SMS, MMS, Threaded view, Predictive text input
SMS, MMS, Threaded view, Predictive text input

E-mail

IMAP, POP3, SMTP, Microsoft Exchange
IMAP, POP3, SMTP, Microsoft Exchange

Instant Messaging

Hangouts / Google Talk
Hangouts / Google Talk

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
Apr 24, 2018

FCC ID value: A3LSMG950U link
FCC ID value: A3LSMJ737A link

FCC measured SAR

 
 

Head

0.49 W/kg
1.03 W/kg

Body

0.48 W/kg
0.76 W/kg

Simultaneous Transmission

1.53 W/kg
1.58 W/kg

Wireless Router

0.46 W/kg
0.98 W/kg

Phablet

 
3.58 W/kg

Shopping information

In The Box

 
microUSB cable, Wall Charger

MSRP price

 
$ 230

Availability

Officially announced

Mar 29, 2017
Jun 07, 2018
This copy is for your personal, non-commercial use only. You can order presentation-ready copies for distribution to your colleagues, clients or customers at https://www.parsintl.com/phonearena or use the Reprints & Permissions tool that appears at the bottom of each web page. Visit https://www.parsintl.com/ for samples and additional information.