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

16 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
Video calling, Video sharing

Front

8 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 oz (172 g)
5.96 oz (169 g)
the average is 6 oz (172 g)

Materials

Back: Plastic
Back: Plastic

Resistance

Shock
 

MIL-STD-810 certified

Yes
 

Biometrics

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

Colors

Black, Gray, Blue
Black, Blue, Red

Hardware & Performance

System chip

MediaTek Helio P22 MT6762
Samsung Exynos 7884

Processor

Octa-core, 2000 MHz, ARM Cortex-A53, 64-bit, 12 nm
Octa-core, 1600 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm

GPU

IMG PowerVR GE8320
Mali-G71 MP2

RAM

2 GB
3 GB

Internal storage

32 GB
32 GB

Maximum User Storage

20.2 GB
21.7 GB

Storage expansion

up to 2000 GB
up to 512 GB

OS

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

Battery

Capacity

3000 mAh
4000 mAh

Charging

 
Samsung Adaptive Fast Charging

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

Cellular

LTE (FDD)

Bands 1, 3, 7, 8, 20
Bands 1, 3, 5, 7, 8, 20

LTE (TDD)

Bands 38
Bands 38, 40, 41

UMTS

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

GSM

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

Data

LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 11 Mbit/s
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM

Yes
Yes

SIM type

Nano SIM
Nano SIM

Connectivity

Bluetooth

5.0
5.0

Wi-Fi

802.11 a, b, g, n, ac, dual-band
802.11 b, g, n

USB

USB 2.0
USB 2.0

Connector

microUSB
USB Type-C (reversible)

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

Other

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

Phone features

Sensors

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

Notifications

Haptic feedback, Music ringtones, Vibration
Haptic feedback, Music ringtones, Vibration

Other features

Voice dialing, Voice commands, Voice recording
Voice dialing, Voice commands, Voice recording

Multimedia

Screen mirroring

Wireless screen share
Wireless screen share

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Headphones connector

3.5mm
3.5mm

Additional microphone(s)

for Noise cancellation
for Noise cancellation
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