Xiaomi Redmi Note 9S vs Samsung Galaxy M31s Specs Comparison

Design

Dimensions
6.53 x 3.02 x 0.35 inches 165.75 x 76.68 x 8.8 mm	6.27 x 2.93 x 0.37 inches 159.3 x 74.4 x 9.3 mm
Weight
7.37 oz (209.0 g)	7.16 oz (203.0 g)
Materials
Back: Glass (Corning Gorilla Glass 5)
Biometrics
Fingerprint (touch)	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Interstellar grey, Aurora blue, Glacier white	Mirage black, Mirage blue

Display

Size
6.7-inch	6.5-inch
Resolution
2400x1080px, 20:9 ratio, 395 PPI	2400x1080px, 20:9 ratio, 405 PPI
Technology
IPS LCD	Super AMOLED
Screen-to-body
84.42 %	86.06 %
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 720G SM7125 (8 nm)	Samsung Exynos 9611 (10 nm)
Processor
Octa-core 2300 MHz Kryo 465	Octa-core 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53
GPU
Adreno 618	Mali-G72 MP3
RAM
4GB (LPDDR4)	6GB (LPDDR4)
Internal storage
64GB	128GB (UFS 2.1), available to use: 106.4 GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 512 GB
OS
Android (11, 10)	Android (11, 10), Samsung One UI

Battery

Capacity
5020 mAh	6000 mAh
Type
Li - Polymer
Charging
Fast charging	Fast charging, Reverse wired charging
Charge speed
	Wired: 25.0W

Camera

Rear
Quad camera	Quad camera
Main camera
48 MP (PDAF) Aperture size: F1.8 Sensor size: 1/2" Pixel size: 0.8 μm	64 MP (PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.7" Pixel size: 0.8 μm
Second camera
8 MP (Ultra-wide) Aperture size: F2.2 Pixel size: 1.12 μm	12 MP (Ultra-wide) Aperture size: F2.2
Third camera
5 MP (Macro, Autofocus) Aperture size: F2.4 Pixel size: 1.12 μm	5 MP (Macro) Aperture size: F2.4
Fourth camera
2 MP (Depth information) Aperture size: F2.4 Pixel size: 1.75 μm	5 MP (Depth information) Aperture size: F2.4
Flash
Dual LED	LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (960 fps)	3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (480 fps) Hyperlapse, EIS
Front
16 MP (HDR, Slow-motion videos), Video capture: 1920x1080 (Full HD)	32 MP, Video capture: 3840x2160 (4K UHD) (30 fps)

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
Type-C	Type-C, USB 2.0
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, Gyroscope, Compass
Other
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(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD)
Bands 38(2600), 40(2300)	Bands 38(2600), 40(2300), 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, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM
VoLTE
Yes

Buyers information

MSRP
$ 249	€ 310
In The Box
22.5W Wire charger, Simple protective cover, USB Type-C cable, SIM eject tool, User guide, Warranty card

Availability

Officially announced
Mar 23, 2020	Jul 30, 2020

Alternative variants

with 128GB storage

RAM	6GB
Internal storage	128GB
MSRP	$ 279

with 8GB RAM

RAM	8GB

Links

Full specifications
Xiaomi Redmi Note 9S Specs	Samsung Galaxy M31s Specs