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LG K40S vs LG K42 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.

Comparison mode:
Specs Size
Differences only
LG K40S
LG K42
LG K40S LG K42
Released · September 2019
6.1-inch · 1560x720px
6.6-inch · 1600x720px
Dual camera
Quad camera
3GB · 32GB
3GB · 32GB
3500 mAh
4000 mAh

Design

Dimensions
6.15 x 2.91 x 0.34 inches
(156.3 x 73.9 x 8.6 mm) 		6.50 x 3.02 x 0.33 inches
(165 x 76.7 x 8.4 mm)
Weight
6.49 oz(184.0 g)
Materials
Back: Plastic
Resistance
MIL-STD-810 certified Yes; MIL-STD-810 certified
Biometrics
Fingerprint (touch) Fingerprint (touch)
Keys
Left: Volume control, Lock/Unlock key Left: Volume control, Other; Right: Lock/Unlock key
Colors
Aurora black, Moroccan blue Gray, Green, Sky Blue, Red

Display

Size
6.1-inch 6.6-inch
Resolution
1560x720px, 19.5:9 ratio, 282 PPI 1600x720px, 20:9 ratio, 266 PPI
Technology
IPS LCD IPS LCD
Screen-to-body
79.11 % 83.04 %
Features
Ambient light sensor, Proximity sensor Ambient light sensor, Proximity sensor

Hardware

System chip
Mediatek Helio P22 MT6762 (12 nm) Mediatek Helio P22 MT6762 (12 nm)
Processor
Octa-core
2000 MHz
ARM Cortex-A53 		Octa-core
2000 MHz
Arm Cortex-A53
GPU
IMG PowerVR GE8320 PowerVR GE8320
RAM
3GB 3GB (LPDDR4)
Internal storage
32GB (eMMC 5.1) 32GB
Storage expansion
microSDXC up to 2000 GB microSDXC up to 2048 GB
OS
Android (9.0 Pie) Android (10)

Battery

Capacity
3500 mAh 4000 mAh
Type
Not user replaceable Not user replaceable

Camera

Rear
Dual camera Quad camera
Main camera
13 MP (PDAF)
Aperture size: F2.2
Focal length: 26 mm 		13 MP (PDAF)
Focal length: 27 mm
Sensor size: 1/3.1"
Pixel size: 1.12 μm
Second camera
5 MP (Ultra-wide) 5 MP (Ultra-wide)
Aperture size: F2.2
Sensor size: 1/5"
Pixel size: 1.12 μm
Third camera
2 MP (Macro)
Aperture size: F2.4
Fourth camera
2 MP (Depth information)
Aperture size: F2.4
Flash
LED LED
Video recording
1920x1080 (Full HD) (30 fps) 1920x1080 (Full HD)
Front
13 MP, Video capture: 1920x1080 (Full HD) 8 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0 5.0
Wi-Fi
802.11 a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot 		802.11 b,g,n
Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0, Features: Charging, OTG Type-C (reversible), USB 3.1, Features: Charging
Location
GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning GPS, A-GPS, Cell ID, Wi-Fi positioning
Sensors
Accelerometer Accelerometer, Compass
Other
NFC

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Loudspeaker
Features
DTS:X Virtual Surround
Screen mirroring
DLNA,Wireless screen share Wireless screen share
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD)
Bands 1(2100), 3(1800), 7(2600), 8(900), 20(800 DD) Bands 1(2100), 3(1800), 7(2600), 8(900), 20(800 DD), 28(700 APT)
4G (TDD)
Bands 38(2600)
3G
Bands 1(2100), 2(1900), 5(850), 8(900) Bands 1(2100), 2(1900), 5(850), 8(900)
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM Nano SIM

Availability

Officially announced
Aug 22, 2019

Alternative variants

with 64GB storage
Internal storage 64GB
FCC OKs Cingular\'s purchase of AT&T Wireless