Xiaomi Redmi Note 9S vs Samsung Galaxy S9 Specs Comparison

Availability

Officially announced
Mar 23, 2020	Feb 25, 2018
Prices (MSRP)
$249	$720

Design

Dimensions
6.53 x 3.02 x 0.35 inches 165.75 x 76.68 x 8.8 mm	5.81 x 2.70 x 0.33 inches 147.7 x 68.7 x 8.5 mm
Weight
7.37 oz / 209.0 g	5.75 oz / 163.0 g
Materials
Back: Glass (Corning Gorilla Glass 5)	Back: Glass (Corning Gorilla Glass 5) Frame: Aluminum
Resistance
	Water, Dust; IP68
Biometrics
Fingerprint (touch)	Iris scanner, 2D Face unlock, Fingerprint (touch)
Features
	Notification light
Keys
Right: Volume control, Lock/Unlock key	Left: Volume control, Other; Right: Lock/Unlock key
Colors
Interstellar grey, Aurora blue, Glacier white	Midnight black, Coral blue, Titanium gray, Lilac purple, Burgundy red, Sunrise gold, Ice blue

Display

Size
6.7-inch, 84.42% screen-to-body	5.8-inch, 84.36% screen-to-body
Type
IPS LCD, HDR	Super AMOLED, HDR
Resolution
2400x1080px, 20:9 ratio, 395 PPI	2960x1440px, 18.5:9 ratio, 568 PPI
Protection
Corning Gorilla Glass 5	Corning Gorilla Glass 5

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
Untested	1 (Excellent)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 720G SM7125 (8 nm)	Snapdragon 845 SDM845 (10 nm)
Processor
Octa-core 2300 MHz Kryo 465	Octa-core 2800 MHz Kryo 385
GPU
Adreno 618	Adreno 630
Memory
4GB (LPDDR4)/64GB 6GB/128GB	4GB (LPDDR4)/64GB 4GB/128GB 4GB/256GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 400 GB
OS
Android (11, 10)	Android (10, 9.0 Pie, 8.0 Oreo)

Battery

Type
5020 mAh, Li - Polymer	3000 mAh, Li - Ion
Charging
Fast charging	Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging Qi and Powermat wireless charging

Camera

Rear
Quad camera	Single camera
Main camera
48 MP (PDAF) Aperture size: F1.8 Sensor size: 1/2" Pixel size: 0.8 μm	12 MP (OIS, PDAF) Aperture size: F1.5/F2.4 Sensor size: 1/2.55" Pixel size: 1.4 μm
Second camera
8 MP (Ultra-wide) Aperture size: F2.2 Pixel size: 1.12 μm
Third camera
5 MP (Macro, Autofocus) Aperture size: F2.4 Pixel size: 1.12 μm
Fourth camera
2 MP (Depth information) Aperture size: F2.4 Pixel size: 1.75 μm
Flash
Dual LED	LED
Video recording
4K UHD (30 fps), 1080p (120 fps), 720p (960 fps)	4K UHD (60 fps), 1080p (240 fps), 720p (960 fps) HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video calling, Video sharing
Front
16 MP (HDR, Slow-motion videos) Video capture: 1080p	8 MP (Autofocus, HDR) Video capture: QHD (30 fps)

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
Type-C	Type-C, USB 3.1
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou
Other
Infrared	NFC, ANT+

Discover more

Full Specs Xiaomi Redmi Note 9S Specs

Full Specs Samsung Galaxy S9 Specs PA Review Samsung Galaxy S9 Review

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Features
	32-Bit DAC, aptX-HD
Screen mirroring
Wireless screen share	Wireless screen share
Radio
	FM
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

4G (FDD) Bands
	1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71
4G (TDD) Bands
38, 40	38, 39, 40, 41, 46
3G Bands
5, 8, 4, 2, 1	5, 8, 4, 2, 1
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA
Dual SIM
Yes
SIM type
Nano SIM	Nano SIM
VoLTE
Yes

Regulatory Approval

FCC approval
	Date approved: Jan 11, 2018 FCC ID value: A3LSMG960U
Measured SAR
	Head: 0.35 W/kg Body: 0.96 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 0.95 W/kg

Alternative variants

with 128GB storage

Memory	6GB/128GB
Prices (MSRP)	$279

International version

System chip	Samsung Exynos 9 9810 (10 nm)
Processor	Octa-core 2900 MHz Exynos M3 and ARM Cortex-A55
GPU	Mali-G72 MP18
FCC approval	Date approved: Dec 27, 2017 FCC ID value: A3LSMG960F
Measured SAR	Head: 0.26 W/kg Body: 1.00 W/kg Simultaneous Transmission: 1.56 W/kg Wireless Router: 1.04 W/kg

with Dual SIM

System chip	Samsung Exynos 9 9810 (10 nm)
Processor	Octa-core 2900 MHz Exynos M3 and ARM Cortex-A55
GPU	Mali-G72 MP18
Dual SIM	Yes

with 256 GB storage

Memory	256GB
Prices (MSRP)	$820

with 128 GB storage

Memory	128GB
Prices (MSRP)	$770