Processor
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
5020mAh (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 5v
Supports HDR display
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
4K recording | 30fps |
1080P recording | 30fps / 60fps |
720P recording | 30fps |
1080Pslow motion recording | 120fps |
720Pslow 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 / Wi-Fi Display
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 / Galileo/ GLONASS / Beidou
Audio
1217 X max0.4mm 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
* Redmi phones feature a curved design with four gracefully rounded corners in a rectangle. When farthest ends of each corner in the rectangle are measured, the screen has a diagonal length of 6.67 inches (actual display area may be slightly smaller). The screen to body ratio of 91% was obtained from Xiaomi laboratory. The result may vary as methods of measurement may vary within the industry.
* 5020mAh refers to the Redmi Note 9S’s typical battery capacity.
* Unless otherwise indicated on the Redmi Note 9S product page, all data come from Xiaomi laboratories, product design specifications and suppliers. The testing data may vary slightly due to different software versions, tested versions, testing environments. All figures shown on the product page are for reference only and may not reflect the actual product; images on this page are for illustration (including, but not limited to, images of the phone, color and dimensions) and the design of the real product may differ; all comparisons made on this page are among typical Redmi phones. See the specs page for more information on phone specifications.
* Due to ongoing technology upgrades and production batch timings, some product specs may slightly differ.
* 5020mAh refers to the Redmi Note 9S’s typical battery capacity.
* Unless otherwise indicated on the Redmi Note 9S product page, all data come from Xiaomi laboratories, product design specifications and suppliers. The testing data may
vary slightly due to different software versions, tested versions, testing environments. All figures shown on the product page are for reference only and may not reflect
the actual product; images on this page are for illustration (including, but not limited to, images of the phone, color and dimensions) and the design of the real product
may differ; all comparisons made on this page are among typical Redmi phones. See the specs page for more information on phone specifications.
* Due to ongoing technology upgrades and production batch timings, some product specs may slightly differ.