Xiaomi Mi 9 vs Xiaomi Redmi Note 9S
Compare phone and tablet specifications of up to three devices. Type a model name in the search field of our phone comparison tool or pick a popular device from the ones below.
Display
Size
Resolution
Technology
AMOLED
IPS LCD
Screen-to-body
85.23 %
84.42 %
Features
HDR video support, Oleophobic coating, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor
HDR video support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Hardware & Performance
System chip
Qualcomm Snapdragon 855
Qualcomm Snapdragon 720G SM7125
Processor
GPU
Adreno 640
Adreno 618
RAM
Internal storage
128GB, not expandable
64GB
Storage expansion
microSDXC up to 512 GB
OS
Android (9.0 Pie), Xiaomi MI UI
Android (10)
Battery
Capacity
3300 mAh
5020 mAh
Type
Not user replaceable
Li - Polymer, Not user replaceable
Charging
Qualcomm Quick Charge 4+, Qi wireless charging
Fast charging
Camera
Rear
Triple camera
Quad camera
Main camera
Specifications
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.8; Sensor size: 1/2"; Pixel size: 0.8 μm
Second camera
12 MP (Telephoto, Sapphire crystal lens cover, PDAF)
8 MP (Ultra-wide)
Specifications
Optical zoom: 2x; Aperture size: F2.2; Focal Length: 50 mm; Sensor size: 1/3.4"; Pixel size: 1 μm
Aperture size: F2.2; Pixel size: 1.12 μm
Third camera
16 MP (Ultra-wide, Sapphire crystal lens cover, PDAF)
5 MP (Macro, Autofocus)
Specifications
Aperture size: F2.2; Focal Length: 17 mm; Sensor size: 1/3"; Pixel size: 1 μm
Aperture size: F2.4; Pixel size: 1.12 μm
Fourth camera
2 MP (Depth information)
Specifications
Aperture size: F2.4; Pixel size: 1.75 μm
Video recording
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (960 fps), 1280x720 (HD) (960 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (960 fps)
Features
Continuous autofocus, EIS, Video calling, Video sharing
Front
20 MP (HDR)
16 MP (HDR, Slow-motion videos)
Design
Dimensions
Weight
the average is 6.4 oz (184 g)
the average is 6.4 oz (184 g)
Materials
Back: Glass (Corning Gorilla Glass 5); Frame: Metal
Back: Glass (Corning Gorilla Glass 5)
Biometrics
In-screen fingerprint
Fingerprint (touch)
Colors
Black, Purple, Blue
Interstellar grey, Aurora blue, Glacier white
Cellular
LTE (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 28(700 APT)
LTE (TDD)
Bands 38(2600), 39(1900+), 40(2300)
Bands 38(2600), 40(2300)
UMTS
850, 900, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz
Data Speed
Dual SIM
Yes
Yes
SIM type
Nano SIM
Nano SIM
HD Voice
Yes
VoLTE
Yes
Yes
Multimedia
Headphones
No 3.5mm jack
3.5mm jack
Features
aptX-HD
Connectivity & Features
Bluetooth
5.0
5.0
Wi-Fi
802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
USB
Type-C (reversible), USB 2.0
Type-C (reversible)
Features
Mass storage device, OTG, Charging, Headphones port
Charging
Sensors
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass
Other
NFC, Infrared, VoIP, Tethering, Computer sync, OTA sync
Infrared
Phone features
Notifications
Haptic feedback, Music ringtones, Vibration
Other features
Voice dialing, Voice commands, Voice recording
Shopping information
In The Box
Case, 18W Charger, USB Type-C cable, Type-c to 3.5 mm adapter, SIM removal tool, Documentation
22.5W Wire charger, Simple protective cover, USB Type-C cable, SIM eject tool, User guide, Warranty card
MSRP
$ 249
