LG K40 vs Samsung Galaxy A20

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Display

Display size

5.7 inches
6.4 inches

Resolution

720 x 1440 pixels
720 x 1560 pixels

Pixel density

282 ppi
268 ppi

Technology

IPS LCD
Super AMOLED

Screen-to-body ratio

76.28 %
84.95 %

Features

Scratch-resistant glass (Tempered Glass), Ambient light sensor, Proximity sensor
Proximity sensor

Camera

Rear

Single camera
Dual camera

Main camera

8 megapixels
13 megapixels

Hardware Features

Phase detection autofocus
Autofocus

Specifications

Aperture size: F2.0; Sensor size: 1/3"; Pixel size: 1 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

Video recording

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

Features

Video calling, Video sharing
 

Front

5 megapixels
8 megapixels

Features

Flash
 

Design

Dimensions

6.02 x 2.83 x 0.33 inches (153.0 x 71.9 x 8.3 mm)
6.24 x 2.94 x 0.31 inches (158.4 x 74.7 x 7.8 mm)

Weight

5.11 oz (145 g)
the average is 6.1 oz (174 g)
5.96 oz (169 g)
the average is 6.1 oz (174 g)

Materials

Back: Plastic
Back: Plastic

Resistance

Shock; MIL-STD-810 certified
 

Biometrics

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

Colors

Black, Gray, Blue
Black, Blue, Red

Multimedia

Headphones

3.5 mm jack
3.5 mm 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

Hardware & Performance

System chip

Qualcomm Snapdragon 450 SDM450
Samsung Exynos 7884

Processor

Octa-core, 2000 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 1600 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm

GPU

Adreno 506
Mali-G71 MP2

RAM

2 GB
3 GB

Internal storage

16 GB
32 GB

Available to use

8 GB
21.7 GB

Storage expansion

microSDXC up to 2000 GB
microSDXC up to 512 GB

OS

Android (8.1 Oreo)
Android (9.0 Pie), Samsung One UI

Connectivity & Features

Bluetooth

5.0
5.0

Wi-Fi

802.11 a, b, g, n, ac, dual-band; Hotspot, Wi-Fi Direct
802.11 b, g, n; Wi-Fi Direct, Hotspot

USB

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

Features

Mass storage device, USB OTG
Mass storage device

Location

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

Sensors

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

Other

NFC, VoIP, Tethering, Computer sync, OTA sync
VoIP, Tethering, Computer sync, OTA sync

Cellular

LTE (FDD)

Bands 2, 4, 5, 12, 13, 66
Bands 1, 3, 5, 7, 8, 20

LTE (TDD)

 
Bands 38, 40, 41

UMTS

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

Data

LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM

 
Yes

SIM type

Nano SIM
Nano SIM

HD Voice

Yes
 

Battery

Capacity

3000 mAh
4000 mAh

Type

Li - Polymer, Not user replaceable
Not user replaceable

Charging

 
Samsung Adaptive Fast Charging

Talk time

12.00 hours
the average is 20 h (1205 min)
 

Stand-by time

10.5 days (252 hours)
the average is 21 days (509 h)
 

Talk time (3G)

 
26.00 hours
the average is 23 h (1387 min)

Internet use

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

Music playback

 
82.00 hours

Video playback

 
21.00 hours

Phone features

Notifications

Haptic feedback, Music ringtones, Vibration
 

Other features

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

Shopping information

MSRP price

$ 180
$ 250
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