Samsung Galaxy J3 (2018) vs Samsung Galaxy A20

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Display

Display size

5.0 inches
6.4 inches

Resolution

720 x 1280 pixels
720 x 1560 pixels

Aspect Ratio

16:9
19.5:9

Pixel density

294 ppi
268 ppi

Technology

TFT
Super AMOLED

Screen-to-body ratio

68.87 %
84.95 %

Colors

16 777 216
16 777 216

Touchscreen

Capacitive, Multi-touch
 

Features

Proximity sensor
Proximity sensor

Camera

Rear

Single camera
Dual camera

Main camera

8 megapixels
13 megapixels

Hardware Features

Autofocus, Back-illuminated sensor (BSI)
Autofocus

Specifications

Aperture size: F1.9; Focal length: 27 mm; Sensor size: 1/4"; Pixel size: 1.12 μm
Aperture size: F1.9; Focal length: 27 mm; Sensor size: 1/3.1"; Pixel size: 1.12 μm

Second camera

 
5 megapixels

Hardware Features

 
Ultra-wide

Specifications

 
Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/5"; Pixel size: 1.12 μm

Flash

LED
LED

Software Features

HDR, Panorama, Face detection, Burst mode, Night mode, Exposure compensation, ISO control, White balance presets, Touch to focus, Digital zoom, Geo tagging
HDR, Panorama, Face detection, Effects, Exposure compensation, ISO control, White balance presets, Touch to focus, Self-timer, Digital zoom, Geo tagging

Video recording

1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)

Features

Video calling, Video sharing
Video calling, Video sharing

Front

5 megapixels
8 megapixels

Video capture

1920x1080 (Full HD)
 

Design

Form factor

Candybar
Candybar

Dimensions

5.62 x 2.76 x 0.35 inches (142.7 x 70.1 x 8.9 mm)
6.24 x 2.94 x 0.31 inches (158.4 x 74.7 x 7.8 mm)

Weight

5.36 oz (152 g)
the average is 6 oz (172 g)
5.96 oz (169 g)
the average is 6 oz (172 g)

Materials

Back: Plastic
Back: Plastic

Biometrics

 
2D Face unlock, Fingerprint (touch)

Features

Touch sensitive control keys
 

Keys

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

Colors

Silver
Black, Blue, Red

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

Wireless screen share
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

Radio

FM
 

Additional microphone(s)

 
for Noise cancellation

Hardware & Performance

System chip

Samsung Exynos 7 Quad 7570
Samsung Exynos 7884

Processor

Quad-core, 1400 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 1600 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm

GPU

Mali-T720 MP1
Mali-G71 MP2

RAM

2 GB
3 GB LPDDR4

Internal storage

16 GB
32 GB

Available to use

 
21.7 GB

Storage expansion

microSDXC up to 400 GB
microSDXC up to 512 GB

Device type

Smart phone
Smart phone

OS

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

Connectivity & Features

Bluetooth

4.2
5.0

Profiles/ Protocols

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)
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 b, g, n; Hotspot, Wi-Fi Direct
802.11 b, g, n; Hotspot, Wi-Fi Direct

USB

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

Features

Mass storage device
Mass storage device

Charging connector

microUSB
USB Type-C (reversible)

Location

GPS, A-GPS, Glonass
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning

Sensors

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

Other

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

Hearing aid compatible

M3, T3
 

Cellular

LTE (FDD)

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

LTE (TDD)

 
Bands 38, 40, 41

UMTS

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

GSM

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

Data

LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, HSUPA, UMTS
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

2G Data

EDGE, GPRS
EDGE, GPRS

Dual SIM

 
Yes

SIM type

Nano SIM
Nano SIM

HD Voice

Yes
 

Global Roaming

Yes
Yes

Battery

Capacity

2600 mAh
4000 mAh

Type

User replaceable
Not user replaceable

Charging

 
Samsung Adaptive Fast Charging

Talk time

18.70 hours
the average is 21 h (1288 min)
 

Stand-by time

18.0 days (432 hours)
the average is 19 days (457 h)
 

Talk time (3G)

 
26.00 hours
the average is 23 h (1362 min)

Internet use

 
3G: 12 hours; LTE: 13 hours; Wi-Fi: 13 hours

Music playback

63.00 hours
82.00 hours

Video playback

15.00 hours
21.00 hours

Phone features

Notifications

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

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, Notes
Calendar, Alarm, 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

Regulatory Approval

FCC approval

 
 

Date approved

Apr 04, 2018
 

FCC ID value: A3LSMJ337A link
 

FCC measured SAR

 
 

Head

1.22 W/kg
 

Body

1.02 W/kg
 

Simultaneous Transmission

1.56 W/kg
 

Wireless Router

1.18 W/kg
 

Shopping information

In The Box

Charger and microUSB cable
 

MSRP price

 
$ 250

Availability

Officially announced

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.