Samsung Galaxy J3 (2018) vs Samsung Galaxy A20 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.


Samsung Galaxy J3 (2018)	Samsung Galaxy A20
Released · Jun 13, 2018	Released · Apr 10, 2019
5.0-inch	6.4-inch
Single camera	Dual camera
2GB · 16GB	3GB · 32GB
2600 mAh	4000 mAh

Design

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 (152.0 g)	5.96 oz (169.0 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,Deep blue, Red

Display

Size
5.0-inch	6.4-inch
Resolution
1280x720px, 16:9 ratio, 294 PPI	1560x720px, 19.5:9 ratio, 268 PPI
Technology
TFT	Super AMOLED
Refresh rate
	60Hz
Screen-to-body
68.87 %	84.95 %
Colors
16 777 216
Features
Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Samsung Exynos 7 Quad 7570 (14 nm)	Samsung Exynos 7884 (14 nm)
Processor
Quad-core 1400 MHz ARM Cortex-A53	Octa-core 1800 MHz ARM Cortex-A73 and ARM Cortex-A53
GPU
Mali-T720 MP1	Mali-G71 MP2
RAM
2GB	3GB (LPDDR4)
Internal storage
16GB	32GB, available to use: 20.3 GB
Storage expansion
microSDXC up to 400 GB	microSDXC up to 512 GB
OS
Android (9.0 Pie, 8.0 Oreo)	Android (11, 10, 9.0 Pie), Samsung One UI

Battery

Capacity
2600 mAh	4000 mAh
Charging
	Samsung Adaptive Fast Charging

Camera

Rear
Single camera	Dual camera
Main camera
8 MP (Autofocus, BSI sensor) Aperture size: F1.9 Focal length: 27 mm Sensor size: 1/4" Pixel size: 1.12 μm	13 MP (Autofocus) Aperture size: F1.9 Focal length: 27 mm Sensor size: 1/3.1" Pixel size: 1.12 μm
Second camera
	5 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/5" Pixel size: 1.12 μm
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps) Video calling, Video sharing	1920x1080 (Full HD) (30 fps)
Front
5 MP, Video capture: 1920x1080 (Full HD)	8 MP

Connectivity & Features

Bluetooth
4.2	5.0
WLAN
802.11 b,g,n Hotspot, Wi-Fi Direct	802.11 a,b,g,n,ac Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0	Type-C, USB 2.0
Hearing aid compatible
M3/T3
Location
GPS, A-GPS, Glonass	GPS, A-GPS, Glonass, Galileo, 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

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Album art cover, Background playback	Dolby Atmos
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM
Additional microphone(s)
	Noise cancellation

Cellular

4G (FDD)
Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 14(700 PS)	Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)
3G
Bands 5(850), 2(1900), 1(2100)	Bands 1(2100), 2(1900), 5(850), 8(900)
Data Speed
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, HSUPA, UMTS	LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type
Nano SIM	Nano SIM
HD Voice
Yes

Phone Features

Notifications
Haptic feedback, Music ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Other features
Voice dialing, Voice commands, Voice recording, TTY/TDD

Regulatory Approval

FCC approval
Date approved: Apr 04, 2018 FCC ID value: A3LSMJ337A	Date approved: Jun 19, 2019 FCC ID value: A3LSMA205U
Measured SAR
Head: 1.22 W/kg Body: 1.02 W/kg Simultaneous Transmission: 1.56 W/kg Wireless Router: 1.18 W/kg	Head: 1.09 W/kg Body: 0.60 W/kg Simultaneous Transmission: 1.37 W/kg Wireless Router: 1.00 W/kg Phablet: 3.94 W/kg

Buyers information

MSRP
	$ 250
In The Box
Charger and microUSB cable

Availability

Officially announced
Jun 07, 2018

Alternative variants

for AT&T Prepaid


Colors	Black

for T-Mobile and Metro


4G (FDD)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)
4G (TDD)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G	Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)

for Verizon


System chip	Samsung Exynos 7884A
Processor	Octa-core 1350 MHz ARM-Cortex A73 and ARM-Cortex A53
4G (FDD)	Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c)
FCC approval	Date approved: May 07, 2018 FCC ID value: A3LSMJ337V
Measured SAR	Head: 1.14 W/kg Body: 0.92 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.17 W/kg

for Verizon, Sprint, Virgin Mobile and Boost Mobile


4G (FDD)	Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 71(600)
4G (TDD)	Bands 41(2600+)
3G	Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)

for Sprint and Boost Mobile


System chip	Samsung Exynos 7884A
Processor	Octa-core 1350 MHz ARM-Cortex A73 and ARM-Cortex A53
4G (FDD)	Bands 25(1900+), 26(850+)
4G (TDD)	Bands 41(2600+)

for US Cellular


4G (FDD)	Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 66(AWS-3), 71(600)
3G	Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)

for T-Mobile


4G (FDD)	Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 66(AWS-3), 71(600)

Links

Full specifications
Samsung Galaxy J3 (2018) Specs	Samsung Galaxy A20 Specs
User Reviews
	Samsung Galaxy A20 User Reviews