Xiaomi Redmi 9 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.

5.0
Xiaomi Redmi 9	LG K42
Released · Jun 18, 2020
6.5-inch · 2340x1080px	6.6-inch · 1600x720px
Quad camera	Quad camera
3GB · 32GB	3GB · 32GB
5020 mAh	4000 mAh
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Design

Dimensions
6.43 x 3.03 x 0.36 inches 163.32 x 77.01 x 9.1 mm	6.50 x 3.02 x 0.33 inches 165 x 76.7 x 8.4 mm
Weight
6.98 oz (198.0 g)	6.49 oz (184.0 g)
Resistance
	Yes; MIL-STD-810 certified
Biometrics
2D Face unlock, Fingerprint (touch)	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Left: Volume control, Other; Right: Lock/Unlock key
Colors
Carbon gray, Sunset purple, Ocean green	Gray, Green, Sky Blue, Red

Display

Size
6.5-inch	6.6-inch
Resolution
2340x1080px, 19.5:9 ratio, 395 PPI	1600x720px, 20:9 ratio, 266 PPI
Technology
IPS LCD	IPS LCD
Screen-to-body
83.27 %	83.04 %
Features
Oleophobic coating, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
MediaTek Helio G80 (12 nm)	Mediatek Helio P22 MT6762 (12 nm)
Processor
Octa-core 2000 MHz Arm Cortex-A75 and Arm Cortex-A55	Octa-core 2000 MHz Arm Cortex-A53
GPU
Mali G52 MC2	PowerVR GE8320
Memory
3GB (LPDDR4)/32GB (eMMC 5.1)	3GB (LPDDR4)/32GB
Storage expansion
microSDXC	microSDXC up to 2048 GB
OS
Android	Android (10)

Battery

Type
5020 mAh	4000 mAh
Charging
Qualcomm Quick Charge 3.0
Charge speed
Wired: 18.0W

Battery Life Estimate

Untested

Browsing

Untested

Video

9h 15min

Gaming

7h 3min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Camera

Rear
Quad camera	Quad camera
Main camera
13 MP (PDAF) Aperture size: F2.2	13 MP (PDAF) Focal length: 27 mm Sensor size: 1/3.1" Pixel size: 1.12 μm
Second camera
8 MP (Ultra-wide) Aperture size: F2.2	5 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm
Third camera
5 MP (Macro) Aperture size: F2.4	2 MP (Macro) Aperture size: F2.4
Fourth camera
2 MP (Depth information)	2 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
1080p	1080p
Front
8 MP (HDR) Video capture: 1080p	8 MP Video capture: 1080p

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
802.11 b,g,n Wi-Fi Direct, Hotspot	802.11 b,g,n Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0	Type-C, USB 3.1
Location
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass	Accelerometer, Compass
Other
NFC, Infrared	NFC

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD)
Bands 1, 2, 3, 4, 5, 7, 8, 20, 28	Bands 1, 3, 7, 8, 20, 28
4G (TDD)
Bands 38, 40, 41	Bands 38
3G
Bands 1, 2, 4, 5, 8	Bands 1, 2, 5, 8
Data Speed
LTE-A, 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	Yes
SIM type
Nano SIM	Nano SIM
HD Voice
Yes
VoLTE
Yes

Buyers information

In The Box
10W Charger, TPU case, USB Type-C cable, SIM eject tool, Warranty card, User guide

Alternative variants

with 64GB storage


Memory	4GB/64GB

with 64GB storage


Memory	64GB

Links

Full specifications
Xiaomi Redmi 9 Specs	LG K42 Specs
PhoneArena Review
Xiaomi Redmi 9 Review
User Reviews
Xiaomi Redmi 9 User Reviews