Processor
CPU Speed & Type
Octa-core 2.0GHz
Chipset / SoC
MTK Helio G85
GPU
ARM G52 MC2 @1000MHz
OS/Applications
Operating System
Android™ 10.0; MIUI 11
Memory
RAM Size
3GB / 4GB
ROM Size
64GB / 128GB
microSD
Up to 512GB
Physical Specifications
Dimensions
162.3mm x 77.2mm x 8.9mm
Weight
199 grams
Colors
Interstellar Grey Glacier White Aurora Blue
Display
Size
6.53 inch
Resolution
(2340 x 1080) FHD+
Pixel Density
395 ppi
Technology
IPS LCD
Protection
Corning® Gorilla® Glass 5
Splash-proof nano coating
TÜV Rheinland low blue light certification
Rear Camera
Quad Camera
48MP primary 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°
+8MP ultra-wide angle camera, FOV 118°, 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
+2MP depth sensor, 1/5" sensor size, 1.7μm pixel size, 3P lens, f/2.4 FF
10x digital zoom, PDAF, Single-tone flash
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
Video Recording
1080P recording 30fps
720P recording 30fps
720P slow motion recording 120fps
Front Camera
Quad Camera
13MP, 1.12μm pixel size, 1/3.06" sensor size, f/2.25,5P lens,74°FOV
Features
Panorama selfie | Portrait selfies | Palm shutter | Front camera HDR | Front facing flash | Face recognition | AI silhouette detection AI Beautify | AI portrait mode
Video Recording
1080P/ 720P recording @ 30fps
Slo-mo video recording @ 120fps
Battery
Capacity
Built-In Li Polymer 5020mAh
Charging
18W fast charging
9W wired reverse charging
Network / Bearer
SIM
Dual-SIM (Nano-SIM)
2G
GSM B2/3/5/8
3G
WCDMA B1/2/4/5/8
4G
FDD-LTE B1/2/3/4/5/7/8/20/28
TDD-LTE B38/40/41(2535-2655MHz)
Connectivity
USB
USB 2.0, Type-C
WLAN
802.11a/b/g/n/ac, 2.4G Wi-Fi, 5G Wi-Fi, Wi-Fi Direct, Wi-Fi Display
Bluetooth®
Bluetooth® v5.0
Location
GPS, A-GPS, Galileo, GLONASS, BeiDou
Others
Sensors
Proximity sensor, Ambient light sensor, Acceleration sensor, Gyroscope, Digital Compass, Fingerprint Sensor, IR Blaster
Biometric Security
Side-mounted fingerprint sensor, AI Face unlock
Inside Box
• Redmi Note 9S
• Power adapter
• Protective case
• USB Type-C cable
• SIM ejection tool
• User guide
• Warranty card