Xiaomi Redmi Note 9S vs Xiaomi Redmi 9 Specs Comparison

Availability

Officially announced
Mar 23, 2020
Prices (MSRP)
$249

Design

Dimensions
6.53 x 3.02 x 0.35 inches 165.75 x 76.68 x 8.8 mm	6.43 x 3.03 x 0.36 inches 163.32 x 77.01 x 9.1 mm
Weight
7.37 oz / 209.0 g	6.98 oz / 198.0 g
Materials
Back: Glass (Corning Gorilla Glass 5)
Biometrics
Fingerprint (touch)	2D Face unlock, Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Interstellar grey, Aurora blue, Glacier white	Carbon gray, Sunset purple, Ocean green

Display

Size
6.7-inch, 84.42% screen-to-body	6.5-inch, 83.27% screen-to-body
Type
IPS LCD, HDR	IPS LCD
Resolution
2400x1080px, 20:9 ratio, 395 PPI	2340x1080px, 19.5:9 ratio, 395 PPI
Protection
Corning Gorilla Glass 5	Corning Gorilla Glass 3
Features
	Oleophobic coating

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
Untested	1.5 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 720G SM7125 (8 nm)	MediaTek Helio G80 (12 nm)
Processor
Octa-core 2300 MHz Kryo 465	Octa-core 2000 MHz Arm Cortex-A75 and Arm Cortex-A55
GPU
Adreno 618	Mali G52 MC2
Memory
4GB (LPDDR4)/64GB 6GB/128GB	3GB (LPDDR4)/32GB (eMMC 5.1) 4GB/64GB
Storage expansion
microSDXC up to 512 GB	microSDXC
OS
Android (11, 10)	Android

Battery

Type
5020 mAh, Li - Polymer	5020 mAh
Charging
Fast charging	Qualcomm Quick Charge 3.0
Charge speed
	Wired: 18.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

Untested

Browsing

Untested

Video

9h 15min

Gaming

7h 3min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Quad camera	Quad camera
Main camera
48 MP (PDAF) Aperture size: F1.8 Sensor size: 1/2" Pixel size: 0.8 μm	13 MP (PDAF) Aperture size: F2.2
Second camera
8 MP (Ultra-wide) Aperture size: F2.2 Pixel size: 1.12 μm	8 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	2 MP (Depth information)
Flash
Dual LED	LED
Video recording
4K UHD (30 fps), 1080p (120 fps), 720p (960 fps)	1080p
Front
16 MP (HDR, Slow-motion videos) Video capture: 1080p	8 MP (HDR) Video capture: 1080p

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	b,g,n Wi-Fi Direct, Hotspot 802.11 b, g, n
USB
Type-C	Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
Other
Infrared	NFC, Infrared

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

Cellular

4G (FDD) Bands
	1, 2, 3, 4, 5, 7, 8, 20, 28
4G (TDD) Bands
38, 40	38, 40, 41
3G Bands
5, 8, 4, 2, 1	1, 2, 4, 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	Yes

Alternative variants

with 128GB storage

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

with 64GB storage

Memory	4GB/64GB

Links

Full specifications
Xiaomi Redmi Note 9S Specs	Xiaomi Redmi 9 Specs
PhoneArena Review
	Xiaomi Redmi 9 Review
User Reviews
	Xiaomi Redmi 9 User Reviews