Forest Green
Midnight Grey
Polar White
processor
MTK Helio G85
High-performance octa-core processor
Frequence:up to 2.0Ghz
GPU: ARM G52 MC2, up to 1000MHz
MediaTek HyperEngine
Frequence:up to 2.0Ghz
GPU: ARM G52 MC2, up to 1000MHz
MediaTek HyperEngine
Battery and Charging
5020mAh (typ)*
Supports 18W fast charge
in-box charge:22.5W
Supports 9W (Max) wired reverse charging
Supports 9W (Max) wired reverse charging
Display and Desing
6.53" DotDisplay
Resolution:2340x1080 FHD+| 19.5:9
450nit(typ) brightness
Color contrast ratio:1500:1(typ)
NTSC:84%(typ)
TÜV Rheinland low blue light certification
Reading mode 2.0
Full Screen gestures
Plastic frame
Corning® Gorilla® Glass 5 front
Splash-proof nano coating
450nit(typ) brightness
Color contrast ratio:1500:1(typ)
NTSC:84%(typ)
TÜV Rheinland low blue light certification
Reading mode 2.0
Full Screen gestures
Plastic frame
Corning® Gorilla® Glass 5 front
Splash-proof nano coating
Rear Camera
48MP AI quad camera
48MP main camera
1/2" sensor size
1.6μm 4-in-1 Super Pixel, 0.8μm pixel size
f/1.79
AF,6P lens,FOV 79.4°
1.6μm 4-in-1 Super Pixel, 0.8μm pixel size
f/1.79
AF,6P lens,FOV 79.4°
8MP ultra wide-angle camera
FOV 118°
f/2.2
1/4" sensor size
1.2μm pixel size,5P lens
f/2.2
1/4" sensor size
1.2μm pixel size,5P lens
2MP Macro camera
AF (2cm-10cm)
1.75μm pixel size
f/2.4 aperture
1.75μm pixel size
f/2.4 aperture
2MP depth camera
1/5" sensor size,
1.7μm pixel size
3P lens, f/2.4 FF
1.7μm pixel size
3P lens, f/2.4 FF
Rear camera photography features
Night mode | Document mode | Cinematic portraits | Movie frame | 48MP HD | Smart ultra-wide angle mode | Rear camera Beautify | Steady handheld night photography | Portrait mode background blurring | Panorama mode | Pro mode | Macro mode | Photo timer | Leveling | Burst mode | Face recognition | HDR | Ultra wide-angle edge distortion correction | Custom watermark | Kaleidoscope | AI watermark | AI beautify
Rear camera video features
Cinematic video | Macro recording | Short video mode | Movie frame
| 1080P recording | 30fps |
| 720P recording | 30fps |
| 720P slow motion recording | 120fps |
Front Camera
13MP In-Display Front Camera
1.12μm pixel size
1/3.06" sensor size
f/2.25,5P lens,74°FOV
1/3.06" sensor size
f/2.25,5P lens,74°FOV
Front camera photography features
Panorama selfie | Portrait selfies | Palm shutter | Front camera HDR | Front facing flash | Face recognition | AI silhouette detection AI Beautify | AI portrait mode
Front camera video features
Movie frame
Storage and RAM
4GB + 128GB
Largest available for Redmi Note 9
* 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.
Dimensions and Buttons
Dimensions
Dimensions: 162.3*77.2*8.9mm
Weight: 199g
Weight: 199g
Buttons
Network &
Connectivity
Communications
Dual 4G standby
Supports 2+1 card slot, nano-SIM + nano-SIM + microSD
4G / 3G / 2G
Supports dual SIM VoLTE HD calling
Supports 2+1 card slot, nano-SIM + nano-SIM + microSD
4G / 3G / 2G
Supports dual SIM VoLTE HD calling
* The local operator's network determines whether 4G is supported
Network Band
GSM: B2/3/5/8
WCDMA: B1/2/4/5/8
FDD-LTE: B1/2/3/4/5/7/8/20/28
TDD-LTE: B38/40/41(2535-2655MHz)
WCDMA: B1/2/4/5/8
FDD-LTE: B1/2/3/4/5/7/8/20/28
TDD-LTE: B38/40/41(2535-2655MHz)
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
Supports 2.4G Wi-Fi / 5G Wi-Fi
Wi-Fi Direct / Wi-Fi Display
Supports Bluetooth 5.0
Navigation &
positioning
GPS/ A-GPS / Galileo/ GLONASS / Beidou
Audio
1216 X max0.5mm high amplitude ultra-linear speaker
Smart PA 11V external, pressure boosted, high volume
3.5mm headphone jack
Smart PA 11V external, pressure boosted, high volume
3.5mm headphone jack
Multimedia playback
- • MP4
- • M4V
- • MKV
- • XVID
- • WAV
- • AAC
- • MP3
- • AMR
- • FLAC
- • APE
Sensors
Proximity sensor | Ambient light sensor | Acceleration sensor | Gyroscope | Digital Compass | Fingerprint Sensor | IR Blaster
Package contents
Redmi Note 9 / Power adapter / Simple protective cover / USB Type-C cable / SIM eject tool / User guide / Warranty card
Notes:
* This data was obtained from Xiaomi Laboratory. Actual results may vary slightly depending on the environment.
* 5020mAh refers to the typical value of Redmi Note 9 battery capacity.
* Charging speed data was obtained from Xiaomi Laboratories. Actual results may vary due to differences in charging cable, charging adapter, software version, environment, and model number.
* Battery standby time is tested by measuring the time of the smartphone reaching 0% power from 100% under a test scenario. Test results are collected from Xiaomi lab. Actual results may vary as a result of environmental changes.
* Clear phone calls even in noisy environments refers to simulated noisy environments in Xiaomi labs.
* FOV of the ultra wide-angle lens is 108° after distortion correction.
* When shooting buildings, landscapes or other places the intelligent scene recognition function prompts the user to activate ultra-wide angle mode. Ultra wide-angle mode must be activated manually.
* The term "Full Screen Display" indicates that the phone has a high screen-to-body ratio in comparison to traditional Xiaomi phones. The screen-to-body ratio was obtained from Xiaomi laboratory. The results may vary as methods of measurement may vary within the industry.
* The ordinary phones used for comparison are Redmi's own phones. Information on this product website comes from our lab data, design and technology parameters, and data provided by vendors. Actual circumstances may differ slightly depending on the test software version, the specific test environment, and the specific version. Images on this page are illustrations (including but not limited to images of the phone appearance, color and dimensions) and the design of the real product may differ
* Due to ongoing technology upgrades and production batch timings, some product specs may slightly differ.
