Processor
Qualcomm® Snapdragon™ 720G
Qualcomm® Snapdragon™ 720G
High-performance octa-core processor
Frequency: up to 2.3GHz
Adreno™ 618 graphics processor
Qualcomm® 5th generation AI engine
8nm process technology
Battery and Charging
5020 mAh (typ)*
Built-In Non-removable Lithium Ion Polymer Battery
USB Type-C reversible connector port
Supports 18W wired fast charging
Includes 22.5W wire charger
Display
6.67″ DotDisplay
Resolution: 2400 x 1080 FHD+
Contrast: 1500:1 (typ) | NTSC: 84% (typ)
TÜV Rheinland low blue light certification
Reading mode 2.0
Corning® Gorilla® Glass 5
Rear Camera
48MP AI quad camera
48MP ultra-high resolution primary camera
48MP, 1/2″ sensor, FOV 79°
f/1.79 aperture, 6 piece lens, AF
1.6μm 4-in-1 Super Pixel, 0.8μm pixel size
8MP ultra wide-angle camera
8MP, 1.12μm, FOV 119°, f/2.2 aperture
5MP macro camera
5MP, 1.12μm, f/2.4 aperture, AF (2cm-10cm)
2MP depth camera
2MP, 1.75μm, f/2.4 aperture
Photo resolution: 8000 x 6000
Video resolution: up to 4K
Dual flash lights
Rear camera photography features
Night mode | Document mode | Cinematic portraits
48MP HD | Smart ultra-wide angle mode | Rear camera Beautify
Steady handheld night photography | Portrait mode background blurring | Panorama mode
Pro mode | Photo timer | Leveling | Burst mode | Face recognition | HDR | Ultra wide-angle edge distortion correction | Custom watermark | AI watermark | Kaleidoscope
Portrait mode background blur adjustment | Full screen frame
Rear camera AI scene detection (27 recognizable tags) | Macro camera
Rear camera video features
Cinematic 4K video | Ultra-wide angle recording | Macro recording | Short video mode | 4K recording
| Nagrywanie 4K 30fps | 30fps |
| 1080P recording | 30fps / 60fps |
| 720P recording | 30fps |
| 1080P slow motion recording |
120fps |
| 720P slow motion recording |
120fps / 240fps / 960fps |
Front Camera
16MP In-Display Front Camera
16MP, 1.0μm
f/2.48 aperture
Front camera photography features
Panorama selfie | Palm shutter | AI silhouette detection | Front camera HDR | Front facing flash | Face recognition
AI Beautify | AI portrait mode | AI scene detection
Front camera video features
120fps Slo-Selfie
Storage and RAM
6GB + 128GB*
Largest available for Redmi Note 9S
4GB + 64GB also available
* Actual available memory may vary due to various factors. As the operating system occupies a portion of the RAM, actual available memory is less than stated. As the phone comes with pre-installed applications, the actual storage size is smaller than stated.
Fingerprint sensor and Buttons
Network & Connectivity
Communications
Supports 2+1 card slot, nano-SIM + nano-SIM + microSD (512GB expandable)
Supports dual SIM VoLTE HD calling
Note: Dual 4G SIM requires the support of local telecom operator services, and may not be available in all regions.
Network & Connectivity
GSM: B2/3/5/8
WCDMA: B1/2/4/5/8
TDD LTE: B38/40
FDD LTE: B1/2/3/4/5/7/8/20/28
Wireless Network
Supports protocols: 802.11a/b/g/n/ac
Supports 2.4G Wi-Fi / 5G Wi-Fi
Wi-Fi Direct
Supports Bluetooth 5.0
Dimensions
Height: 165.75mm
Width: 76.68mm
Thickness: 8.8mm
Weight: 209g
* Data provided by Xiaomi Laboratories. Industry measurment methods may vary,
and therefore actual results may differ.
Navigation &
positioning
GPS/ A-GPS / GLONASS / Beidou
Security
Side-mounted fingerprint sensor
AI Face unlock
Audio
1216 X max0.5mm high amplitude ultra-linear speaker
Smart PA 10V external, pressure boosted, high volume
3.5mm headphone jack
Multimedia
- MP4
- M4V
- MKV
- XVID
- WAV
- AAC
- MP3
- AMR
- FLAC
- APE
Sensors
Z-axis linear vibration motor | Side-mounted fingerprint sensor | Distance sensor | In-screen ambient light sensor |
Accelerometer | Gyroscope | Electronic compass | IR blaster
Package contents
Redmi Note 9S / Power adapter / Simple protective cover / USB Type-C cable / SIM eject tool / User guide /
Warranty card
