Performance
MediaTek Dimensity 800U
CPU: Octa-core CPU, up to 2.4GHz
7nm flagship-grade manufacturing process
GPU: Mali-G57 “Valhall”-architecture
Storage and RAM
4GB + 128GB
LPDDR4X RAM + UFS 2.2 storage with WriteBooster and HPB
4GB + 64GB
LPDDR4X RAM + UFS 2.1 storage
*The amount of available storage and RAM is less than the indicated memory,
as the operating system and pre-installed software are stored on the device.
Display
6.53″ FHD+ DotDisplay
Aspect ratio: 19.5:9, 2340×1080
Contrast ratio: 1500:1 (typ)
Brightness: 450 nits (typ)
395ppi
Corning® Gorilla® Glass 5
Reading mode, Night mode, TÜV Rheinland Low Blue Light certification
Camera
Rear camera: 48MP Triple camera
48MP wide-angle camera
0.8μm pixel size, 1.6μm 4-in-1 Super Pixel
1/2” sensor size
f/1.79
Auto focus
2MP macro sensor
f/2.4, 4cm focus distance
1.75μm pixel size
2MP depth sensor:
f/2.4
1.75μm pixel size
Rear video recording
4K video recording 30fps
1080p video recording 30/ 60fps
720p video recording 30fps
Slow motion video
120fps, 1080p/720p
Front camera: 13MP in-display selfie camera
f/2.25
Front video recording
1080p video recording 30fps
720p video recording 30fps
Slow motion video: 120fps, 720p
Design & Dimension
Textured unibody polycarbonate back
2.5D glass front, unibody polycarbonate 3D back (fingerprint-resistant texture)
Corning® Gorilla® Glass 5
Height: 161.9mm
Width: 77.3mm
Thickness: 9.05mm
Weight: 199g
Battery and Charging
5000mAh (typ) / 4900mAh (min) high-capacity battery
Up to 800 charge cycles without significant battery capacity degradation
18W charging
22.5W charger in-box
Security
Side-mounted fingerprint sensor
AI Face Unlock
Network & Connectivity
Dual SIM card ① + MicroSD
Dual 5G standby
Supports 5G / 4G / 3G/ 2G ②
Supports network bands
5G: n1/n3/n5/n7/n8/n20/n28/n38/n41/n77/n78/n79
LTE FDD: Band 1/2/3/4/5/7/8/20/28/32/18/26/12/17/19
LTE TDD: Band 38/40/41/42
WCDMA: 1/2/4/5/8
GSM:2/3/5/8
Supported wireless network

Supported protocols: Wi-Fi 4, Wi-Fi 5 and 802.11a/b/g
Supports WiFi Direct, WiFi Display
Bluetooth 5.1
Supports AAC/LDAC/LHDC
NFC supported
Water & Dust Resistance
Splash-resistant nano coating*
Audio
Dual speakers
NFC
NFC support
*FeliCaは、ソニー株式会社が開発した非接触ICカードの技術方式です。
*FeliCa、FeliCaポケットは、ソニーグループ株式会社またはその関連会社の登録商標または商標です。
*Redmi Note 9tは、フェリカネットワークス株式会社の登録商標です。
*「おサイフケータイ®」「iD」「iD」ロゴは、株式会社NTTドコモの商標または登録商標です。
Navigation & Positioning
GPS: L1
Galileo: E1 | GLONASS: L1
Operating system
MIUI 12, Android 10
Sensor
Proximity sensor | Ambient light sensor | Accelerometer | Gyroscope | Electronic compass | Linear motor | IR blaster
Package contents
Redmi Note 9T/ Power adapter / USB Type-C cable/ Simple protective cover / SIM eject tool / User guide / Warranty card