Manufacturer and Model

Manufacturer
Samsung
Samsung
Phone model
Galaxy J3 4G
Galaxy A20s
Year of release
2015
2019
Alternative phone model name
SM-A207F/DS

Appearance

Case type
Monoblock
Monoblock
Body length
142 mm
163 mm
Body width
71 mm
78 mm
Body thickness
7.9 mm
8 mm
Weight
138 g
183 g
Volume
79.82 cm³
101.25 cm³
Body materials and finishes
  • Plastic
  • Plastic
Colors

Processor (CPU)

Processor model
  • Spreadtrum SC9830
  • Qualcomm Snapdragon 450 MSM8937
CPU clock speed
1500 MHz
1800 MHz
Number of processor cores
4
8
Processor size
32 bits
64 bits
Instruction set architecture
ARMv7
ARMv8
Manufacturing process
28 nm
14 nm

Graphics Processor (GPU)

GPU
GPU model
  • Mali-400 MP2
  • Qualcomm Adreno 506
Number of GPU cores
2

Primary storage (RAM)

The amount of RAM
1.5 GB
3 GB
RAM type
LPDDR3

Internal storage

Built-in memory
  • 8 GB
  • 32 GB

SD card

Types of Supported Memory Cards
  • microSDXC
  • microSDHC
  • microSD
  • microSDXC
  • microSDHC
  • microSD
Maximum expandable memory
128 GB
512 GB
Hot swappable memory card

Mainboard

Chipset
  • Spreadtrum SC9830A
  • Qualcomm Snapdragon 450

Operating system

Operating system
Android 5.1
Android 9.0

Battery

Battery capacity
2600
4000
Battery type
Li-Ion
Li-Ion
Removable battery
Charging the battery from USB
Fast battery charging
Adapter output power
  • 5 V / 2 A
Call duration in GSM networks
22 h
Standby time in GSM networks
349 h
Call duration in UMTS (WCDMA) networks
18 h
Standby time on UMTS (WCDMA) networks
349 h
Duration of listening to music
53 h
Video watching duration
11 h
Duration of using Wi-Fi
11 h

Screen

Screen diagonal
5 in
6.5 in
Screen resolution
1280 x 720 pixels
1560 x 720 pixels
Resolution formats
  • HD
  • HD
Pixel density
294 ppi
268 ppi
Screen technology
Super AMOLED
IPS
Color depth
24 bit
24 bit
Touch screen
Touch screen type
Capacitive
Capacitive
Anti-scratch screen
Aspect ratio
1.778
2.167
Auto-rotate screen
Ambient light sensor
Proximity sensor

Main photo/video camera

Camera megapixels
8 Mp
13 Mp
Maximum photo resolution
3264 x 2448 pixels
4807 x 2704 pixels
Shooting resolution formats
  • Quad HD
  • Full HD
  • HD
  • Ultra HD
  • Quad HD
  • Full HD
  • HD
Dual camera
The presence of a flash
Flash type
LED
LED
Photomatrix type
CMOS
CMOS
Aperture
f/1.8
Shooting settings
Autofocus
Phase detection autofocus
Face detector
Panoramic photography
HDR photography
Viewfinder
Continuous photography
Touch focus
Exposure compensation
Self-timer
Digital image stabilization
White balance
ISO setting
Scene selection
Other photo settings
  • Serial shooting
  • Panoramic shooting
  • Hdr shooting
  • Face detection
  • Serial shooting
  • Panoramic shooting
  • Hdr shooting
  • Face detection
Video capability
Maximum video resolution
1280 x 720 pixels
1920 x 1080 pixels
Movie speed
30 fps
30 fps
Movie settings
Movie settings list
  • White balance
  • Color effects
  • Scene selection mode
  • White balance
  • Color effects
  • Scene selection mode

Front photo/video camera

Front camera megapixels
5 Mp
8 Mp
Maximum photo resolution
2981 x 1677 pixels
3771 x 2121 pixels
Shooting resolution formats
  • Quad HD
  • Full HD
  • HD
  • Quad HD
  • Full HD
  • HD
Aperture
f/2
Front camera video
Maximum video resolution
1280 x 720 pixels

SIM card and calls

Number of SIM-cards
2
2
Mode of operation of multiple SIM-cards
Alternating
Alternating
SIM card type
Micro-SIM
Nano-SIM
MP3 ringtones
Polyphonic ringtones
Vibration mode
Speakerphone
Conference call
Speed dial
Video calls
Second microphone
Noise reduction during a call
Ability to mute the microphone during a call
Extended phone book
Contacts in the phone book
Unlimited
Unlimited
Data exchange between SIM card and internal memory

Mobile communications

Cellular generation
4G
4.5G
GSM support
GSM frequencies
  • GSM 850 MHz
  • GSM 900 MHz
  • GSM 1800 MHz
  • GSM 1900 MHz
  • GSM 850 MHz
  • GSM 900 MHz
  • GSM 1800 MHz
  • GSM 1900 MHz
UMTS support
UMTS frequencies
  • UMTS 850 MHz
  • UMTS 900 MHz
  • UMTS 1900 MHz
  • UMTS 2100 MHz
  • UMTS 850 MHz
  • UMTS 900 MHz
  • UMTS 1900 MHz
  • UMTS 2100 MHz
LTE support
LTE frequencies
  • LTE 800 MHz
  • LTE 850 MHz
  • LTE 900 MHz
  • LTE 1800 MHz
  • LTE 2100 MHz
  • LTE 2600 MHz
  • LTE-TDD 1900 MHz
  • LTE-TDD 2300 MHz
  • LTE-TDD 2500 MHz
  • LTE-TDD 2600 MHz
TDD LTE support

Internet data transmission standards

LTE standards
  • LTE Cat 4
  • LTE Cat 4
Data transmission standards
  • HSPA+
  • HSUPA
  • HSDPA
  • EDGE
  • GPRS
  • HSPA+
  • HSUPA
  • HSDPA
  • EDGE
  • GPRS

Wi-Fi

Built-in Wi-Fi
Wi-Fi standards
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
Wi-Fi Direct support
Wi-Fi hotspot mode

USB

USB connector
USB connector type
Micro USB
USB Type-C
USB standard
2.0
2.0
USB OTG support
USB Mass Storage support

Bluetooth

Built-in Bluetooth
Bluetooth standard
4.0
4.2
A2DP support
AVRCP support
Other Bluetooth profiles
  • DI
  • HFP
  • HID
  • HOGP
  • HSP
  • MAP
  • OPP
  • PAN
  • PBAP

Navigation and positioning

Built-in GPS
A-GPS support
Installed GLONASS
Built-in digital compass

Radio

Built-in radio receiver
Radio range
87.5 - 108 МГц
87.5 - 108 МГц

Sensors and gauges

Ambient light sensor
Proximity sensor
Accelerometer
Orientation and rotation sensor
Gyroscope
Magnetometer

Connectors and interfaces

USB connector
Micro USB
USB Type-C
TRS jack (mini/micro jack)
3.5 mm
3.5 mm
Wireless NFC

Images

Supported image formats
  • PNG
  • JPG
  • EXIF
  • GIF
  • PNG
  • JPEG
  • GIF
  • BMP
Installed image editor
Geo tags

Video

Installed video player
Supported video formats
  • MP4
  • MPEG-4
  • MKV
  • AVI
  • 3GPP
  • 3GPP
  • 3GPP2
  • 3GPP2
  • Xvid
  • WMV
  • MP4
  • MPEG-4
  • MKV
  • AVI
  • 3GPP
  • 3GPP
  • 3GPP2
  • WMV
Video resolution formats
  • HD
  • Full HD
  • HD
Streaming video
Geo tags

Audio

Installed audio player
Supported audio formats
  • AAC
  • eAAC+
  • AMR
  • AMR-NB
  • AMR-WB
  • AWB
  • 3GA
  • FLAC
  • M4A
  • MIDI
  • MP3
  • OGG
  • WMA
  • WAV
  • AAC
  • AMR
  • AMR-NB
  • FLAC
  • M4A
  • MIDI
  • MP3
  • OGG
  • WMA
  • WAV
MP3 support
Streaming audio
Dictaphone
Voice notes
TRS jack (mini/micro jack)
3.5 mm
3.5 mm

Control elements

Touch input
Multitouch
Pinch zoom
Russified input

Documents and office

Installed Organizer (PIM)
Office document support
Supported document formats
  • PDF
Email
IMAP4 protocol support
Convert speech to text

Connectivity and synchronization

PC connection
Tethering support
Synchronization over the mobile network
OTA sync
Synchronization with services
  • Gmail
  • Gtalk
  • Facebook
  • Twitter
  • Youtube
  • Google search
  • Google maps
  • Gmail
  • Gtalk
  • Facebook
  • Twitter
  • Youtube
  • Google search
  • Google maps

Software features

Installed browser
  • HTML
  • HTML5
  • CSS3
  • WAP
  • HTML
  • HTML5
  • CSS3
  • WAP

Receiving and sending SMS

SMS messages
SMS T9 support
SMS output in the form of a chat
MMS support

Security

Fingerprint scanner
Installed VPN

Additional features

Standalone mode (flight mode)

SAR level

SAR level
0.48 W/kg
0.35 W/kg