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Samsung Galaxy J3 (2017) International vs LG K20 (2019)

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Display

Size

5.0 inches
5.5 inches

Resolution

1280 x 720 pixels,
294 PPI
960 x 480 pixels, 18:9 ratio,
197 PPI

Technology

IPS LCD
IPS LCD

Screen-to-body

68.38 %
71.76 %

Features

Proximity sensor
Ambient light sensor, Proximity sensor

Hardware

System chip

Samsung Exynos 7 Quad 7570
MediaTek MT6739

Processor

Quad-core, 1400 MHz, ARM Cortex-A53, 64-bit, 14 nm
Quad-core, 1500 MHz, ARM Cortex-A53, 64-bit, 28 nm

GPU

Mali-T720
PowerVR GE8100

RAM

2GB
1GB LPDDR3

Internal storage

16GB, available to use: 10.3 GB
16GB

Storage expansion

microSDXC up to 256 GB
microSDHC up to 32 GB

OS

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

Battery

Capacity

2400 mAh
3000 mAh

Type

Li - Ion, Not user replaceable
Li - Polymer, Not user replaceable

Camera

Rear

Single camera
Single camera

Main camera

13 MP (Autofocus)
8 MP (Autofocus)

Specifications

Aperture size: F1.9
Aperture size: F2.2

Video recording

1920x1080 (Full HD) (30 fps)
Yes

Features

Video calling, Video sharing
 

Front

5 MP (Flash)
5 MP (Flash)

Design

Dimensions

5.64 x 2.77 x 0.32 inches (143.2 x 70.3 x 8.2 mm)
5.85 x 2.83 x 0.33 inches (148.6 x 71.9 x 8.3 mm)

Weight

5.01 oz (142.0 g)
the average is 6.2 oz (178 g)
5.40 oz (153.0 g)
the average is 6.2 oz (178 g)

Materials

Back: Metal
Back: Plastic

Resistance

 
Yes; MIL-STD-810 certified

Features

Touch sensitive control keys
 

Colors

Black, Gold, Blue, White
Aurora black, Moroccan blue

Cellular

LTE (FDD)

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 17(700 b)
 

LTE (TDD)

Bands 38(2600), 40(2300)
 

UMTS

850, 900, 1700/2100, 1900, 2100 MHz
 

Data Speed

LTE, HSPA
LTE, HSPA, HSUPA

Dual SIM

 
Yes

SIM type

Nano SIM
Nano SIM

Multimedia

Headphones

3.5mm jack
3.5mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

Album art cover, Background playback
 

Screen mirroring

Wireless screen share
Wireless screen share

Radio

FM
 

Additional microphone(s)

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth

4.2
5.0

Wi-Fi

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

USB

microUSB, USB 2.0
microUSB, USB 2.0

Features

Mass storage device, OTG, Charging
Mass storage device, Charging

Location

GPS, A-GPS, Glonass, BeiDou
GPS, A-GPS

Sensors

Accelerometer, Gyroscope
Accelerometer

Other

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

Phone features

Notifications

Haptic feedback
 

Other features

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

Regulatory Approval

Measured SAR

 
 

Head

0.66 W/kg
 

Body

1.32 W/kg
 

Buyers information

In The Box

 
Charging adapter, USB-B data cable, Sim card ejector, Instructions for use
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