Xiaomi Redmi 9 vs Xiaomi Redmi Note 9S Specs Comparison

Availability

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

Design

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

Display

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

PhoneArena Display Test

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

Learn more on our PhoneArena Display Test Results page.

Hardware

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

Battery

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

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

9h 15min

Gaming

7h 3min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Quad camera	Quad camera
Main camera
13 MP (PDAF) Aperture size: F2.2	48 MP (PDAF) Aperture size: F1.8 Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
8 MP (Ultra-wide) Aperture size: F2.2	8 MP (Ultra-wide) Aperture size: F2.2 Pixel size: 1.12 μm
Third camera
5 MP (Macro) Aperture size: F2.4	5 MP (Macro, Autofocus) Aperture size: F2.4 Pixel size: 1.12 μm
Fourth camera
2 MP (Depth information)	2 MP (Depth information) Aperture size: F2.4 Pixel size: 1.75 μm
Flash
LED	Dual LED
Video recording
1080p	4K UHD (30 fps), 1080p (120 fps), 720p (960 fps)
Front
8 MP (HDR) Video capture: 1080p	16 MP (HDR, Slow-motion videos) Video capture: 1080p

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
b,g,n Wi-Fi Direct, Hotspot 802.11 b, g, n	a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
Type-C, USB 2.0	Type-C
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, Infrared	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, 41	38, 40
3G Bands
1, 2, 4, 5, 8	5, 8, 4, 2, 1
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 64GB storage

Memory	4GB/64GB

with 128GB storage

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

Links

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