Xiaomi Redmi Note 9S vs LG K31 Specs Comparison

Display

Size
6.7-inch	5.7-inch
Resolution
2400 x 1080 px, 20:9 ratio, 395 PPI	1520 x 720 px, 19:9 ratio, 295 PPI
Technology
IPS LCD	IPS LCD
Screen-to-body
84.42 %	77.13 %
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 720G SM7125 (8 nm)	MediaTek Helio P22 MT6762 (12 nm)
Processor
Octa-core, 2300 MHz, Kryo 465, 64-bit	Octa-core, 2000 MHz, Arm Cortex-A53, 64-bit
GPU
Adreno 618	IMG PowerVR GE8320
RAM
4GB (LPDDR4)	2GB
Internal storage
64GB	32GB, available to use: 17 GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 32 GB
OS
Android (11, 10)	Android (10)
Device type
Smartphone	Smartphone

Battery

Capacity
5020 mAh	3000 mAh
Type
Li - Polymer, Not user replaceable	Not user replaceable
Charging
Fast charging

Camera

Rear
Quad camera	Dual camera
Main camera
48 MP (PDAF) Specifications: Aperture size: F1.8 Sensor size: 1/2" Pixel size: 0.8 μm	13 MP (PDAF) Specifications: Aperture size: F1.8 Sensor size: 1/3" Pixel size: 1.12 μm
Second camera
8 MP (Ultra-wide) Specifications: Aperture size: F2.2 Pixel size: 1.12 μm	5 MP (Ultra-wide) Specifications: Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm
Third camera
5 MP (Macro, Autofocus) Specifications: Aperture size: F2.4 Pixel size: 1.12 μm
Fourth camera
2 MP (Depth information) Specifications: Aperture size: F2.4 Pixel size: 1.75 μm
Flash
Dual LED	LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (960 fps)	1920x1080 (Full HD) (30 fps)
Front
16 MP (HDR, Slow-motion videos), Video capture: 1920x1080 (Full HD)	5 MP, Video capture: 1920x1080 (Full HD)

Design

Dimensions
6.53 x 3.02 x 0.35 inches (165.75 x 76.68 x 8.8 mm)	5.82 x 2.8 x 0.34 inches (147.8 x 71.1 x 8.6 mm)
Weight
7.37 oz(209.0 g)	5.15 oz(146.0 g)
Materials
Back: Glass (Corning Gorilla Glass 5)	Back: Plastic Frame: Plastic
Resistance
	Yes; MIL-STD-810 certified
Biometrics
Fingerprint (touch)	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key
Colors
Interstellar grey, Aurora blue, Glacier white	Silver

Cellular

4G (FDD)
	Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)
4G (TDD)
Bands 38(2600), 40(2300)	Bands 41(2600+)
3G
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A, 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
Dual SIM
Yes
SIM type
Nano SIM	Nano SIM
HD Voice
	Yes
VoLTE
Yes

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	Noise cancellation

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
Type-C (reversible), Features: Charging	microUSB, USB 2.0, Features: Charging
Hearing aid compatible
	M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass	Accelerometer
Other
Infrared	UMA (Wi-Fi Calling)

Regulatory Approval

FCC approval
	Date approved: Sep 14, 2020 FCC ID value: ZNFK300AM
Measured SAR
	Head: 0.47 W/kg Body: 0.91 W/kg Simultaneous Transmission: 1.26 W/kg Wireless Router: 1.02 W/kg

Buyers information

MSRP
$ 249	$ 150
In The Box
22.5W Wire charger, Simple protective cover, USB Type-C cable, SIM eject tool, User guide, Warranty card	Travel Adapter, USB Cable

Availability

Officially announced
Mar 23, 2020

Alternative variants

with 128GB storage

RAM	6GB
Internal storage	128GB
MSRP	$ 279

Links

Full specifications
Xiaomi Redmi Note 9S Specs	LG K31 Specs