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LG K40 vs LG K8x

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

5.7 inches
5.7 inches

Resolution:

1440 x 720 pixels, 18:9 ratio, 282 PPI
1520 x 720 pixels, 19:9 ratio, 295 PPI

Technology:

IPS LCD
IPS LCD

Screen-to-body:

76.28 %
77.13 %

Colors:

16 777 216

Features:

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

Hardware

System chip:

Qualcomm Snapdragon 450 SDM450
MediaTek Helio P22 MT6762

Processor:

Octa-core, 2000 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2000 MHz, Arm Cortex-A53, 64-bit, 12 nm

GPU:

Adreno 506
IMG PowerVR GE8320

RAM:

2GB LPDDR3
2GB

Internal storage:

16GB, available to use: 8 GB
32GB

Storage expansion:

microSDXC up to 2000 GB
microSDXC

Device type:

Smartphone
Smartphone

OS:

Android (8.1 Oreo)
Android (10)

Battery

Capacity:

3000 mAh
3000 mAh

Type:

Li - Polymer, Not user replaceable
Not user replaceable

Camera

Rear:

Single camera
Dual camera

Main camera:

8 MP (PDAF)
13 MP (PDAF)

Specifications:

Aperture size: F2.0; Sensor size: 1/3"; Pixel size: 1 μm
Aperture size: F1.8; Sensor size: 1/3"; Pixel size: 1.12 μm

Second camera:

5 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm

Video recording:

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

Features:

Video calling, Video sharing

Front:

5 MP (Flash)
5 MP

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

6.02 x 2.83 x 0.33 inches (153.0 x 71.9 x 8.3 mm)
5.82 x 2.8 x 0.34 inches (147.8 x 71.1 x 8.6 mm)

Weight:

5.11 oz (145.0 g)
5.15 oz (146.0 g)

Materials:

Back: Plastic
Back: Plastic; Frame: Plastic

Resistance:

Shock; MIL-STD-810 certified

Biometrics:

Fingerprint (touch)
Fingerprint (touch)

Keys:

Left: Volume control; Right: Lock/Unlock key
Left: Volume control; Right: Lock/Unlock key

Colors:

Black, Gray, Blue
Silver

Cellular

LTE (FDD):

Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 66(AWS-3)
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 66(AWS-3)

LTE (TDD):

Bands 41(2600+)

UMTS:

850, 900, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz

Data Speed:

LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Cat 7 (300/100 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

SIM type:

Nano SIM
Nano SIM

HD Voice:

Yes
Yes

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
FM

Additional microphone(s):

for Noise cancellation

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
microUSB, USB 2.0

Features:

Mass storage device, OTG, Charging
Charging

Location:

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

Sensors:

Accelerometer, Compass
Accelerometer

Other:

NFC, VoIP, Tethering, Computer sync, OTA sync

Hearing aid compatible:

M3, T3
M3, T3

Phone features

Notifications:

Haptic feedback, Music ringtones, Vibration

Other features:

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

Regulatory Approval

FCC approval:

Date approved:

Apr 01, 2020

FCC ID value:

ZNFK300UM link

Measured SAR:

Head:

0.52 W/kg

Body:

0.91 W/kg

Simultaneous Transmission:

1.24 W/kg

Wireless Router:

0.94 W/kg

Buyers information

Price:

$ 180
$ 40

User Manual:

This is the official LG K8x User Guide in English provided from the manufacturer.

In The Box:

Handset, Travel Adapter, USB Data Cable, SIM card, Quick Reference Guide

Availability

Officially announced:

Feb 20, 2019
This copy is for your personal, non-commercial use only. You can order presentation-ready copies for distribution to your colleagues, clients or customers at https://www.parsintl.com/phonearena or use the Reprints & Permissions tool that appears at the bottom of each web page. Visit https://www.parsintl.com/ for samples and additional information.
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