Summary

Technical sheet of Xiaomi Redmi Note 9

Description

Pros
Cons
  • Battery
  • Price
  • Night photos
  • No good for gaming
  • Sound

Finding the best price for the Xiaomi Redmi Note 9 is no easy task. Here you will find where to buy the Xiaomi Redmi Note 9 at the best price. Prices are continuously tracked in over 140 stores so that you can find a reputable dealer with the best price

Brand

Brand Xiaomi
Aliases M2003J15SG
Best Sellers
Smartphones by Xiaomi

Xiaomi Redmi Note 9 prices

Versions and prices
Xiaomi Redmi Note 9 Global · 3GB · 64GB $ 137
Xiaomi Redmi Note 9 Global · 4GB · 128GB $ 134
Xiaomi Redmi Note 9 India · 4GB · 64GB
Xiaomi Redmi Note 9 India · 4GB · 128GB
Xiaomi Redmi Note 9 India · 6GB · 128GB
Xiaomi Redmi Note 9 International · 4GB · 128GB · No NFC $ 175
Xiaomi Redmi Note 9 International · 3GB · 64GB · No NFC
Read More

Release Date

Release dateJanuary 2020, 4 years ago

Related

Predecessor
Successors
Similar name

Design & Materials of Xiaomi Redmi Note 9

Image gallery

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Structure

Size
77.2 mm162.3 mm8.9 mm
Print 3D Model
Weight 199 g
Usable surface 83 %
Materials Plastic , P2i Nano coating
Resistance certificates (dust, water) IP53
Colors
White
Blue
Green

Screen

Diagonal
6.53"
Type LCD IPS
Aspect Ratio 19.5:9
Resolution 1080 x 2340 px FHD+
Density 395 ppi High Density
Others
  • Hole-punch Notch
  • Brightnes 450 cd/m² (typ)
  • 1500:1 contrast ratio
  • TÜV Rheinland Eye Comfort Certification
  • 84% NTSC
  • Scratch resistant
  • 2.5D curved glass screen
  • Corning Gorilla Glass 5
  • Capacitive
  • Multi-touch
  • Frameless
Best big screen mobilesBest phones with IPS screen
Others
Audio
1216 X max0.5mm high amplitude ultra-linear speaker
Smart PA 11V external
User reviews
Is it a drop-resistant and scratch-resistant smartphone?
7.7

166 reviews

Do you think it's a nice phone?
8.3

166 reviews

Is it comfortable?
8.0

166 reviews

Can you see it well in the sunlight?
6.7

166 reviews

Performance & Hardware of Xiaomi Redmi Note 9

Processor

Model MediaTek Helio G85 (MT6769V/CZ)
CPU 2x CortexA75 2.0 GHz + 6x CortexA55 1.8 GHz
Type Octa-Core
Nanometer 12 nm
Frequency 2 GHz
64 Bits Yes
More smartphones with Mediatek Helio G85 processor

Graphics

GPU Arm Mali-G52 MC2 950MHz

RAM

RAM 4 GB
Type LPDDR4X RAM
More smartphones with 4GB RAM memory

Antutu

Score
225.154 Antutu v10
Overall performance better than 60% of devices

Storage

Capacity 128 GB
Type eMMC 5.1 Storage
SD Slot Yes , Independent SD slot
More smartphones with 128GB of internal storage

Security

Fingerprint Yes, in the back

Sensors

Fingerprint Yes
Light sensor Yes
Accelerometer Yes
Compass Yes
Gyroscope Yes
Ultrasonic proximity virtual Yes
Others
Notifications LED --
Cooling system No
Gaming buttons No
User reviews
Does it have good sound?
7.4

166 reviews

Does it work smoothly in everyday use?
6.9

166 reviews

What's your experience been with demanding games?
5.7

166 reviews

Camera of Xiaomi Redmi Note 9

Quad rear camera

Standard
1
Resolution 48 Mpx
Sensor Samsung S5KGM1
Type ISOCELL
Aperture ƒ/ 1.79
ISO --
Pixel size 0.80 µm
Pixel Binning 1-4 (2x2)
Sensor size 1/2"
2
Resolution
8 Mpx
Sensor
--
Type
--
Aperture
ƒ/ 2.2
Pixel size
1.12 µm
3
Resolution
2 Mpx
Sensor
--
Type
--
Aperture
ƒ/ 2.4
Pixel size
1.70 µm
4
Resolution
2 Mpx
Sensor
--
Type
--
Aperture
ƒ/ 2.4
Pixel size
1.75 µm
Flash LED
Optical Stabilisation No
Slow Motion Video Yes, 120 fps
Features
  • Digital zoom
  • Quadruple camera
  • Digital image stabilization
  • Autofocus
  • Touch focus
  • Geotagging
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • Night Mode
More smartphones with S5KGM1 lens modelMore smartphones with LED

Selfie

Resolution 13 Mpx
Sensor --
Type CMOS
Aperture ƒ/ 2.25
Pixel size 1.12 µm
Others
Extra
  • 6p lens
  • Ultra wide angle 118º
  • Macro up to 2cm
  • Front camera 74°FOV
User reviews
Quality of daytime photos
7.9

166 reviews

Quality of nighttime photos
5.7

166 reviews

Quality of selfies
6.9

166 reviews

Does it have a powerful flash?
7.6

166 reviews

Kimovil Frequency Checker

Network compatibility

Connectivity of Xiaomi Redmi Note 9

Bands

4G LTE B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B20 (800), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500)
3G B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900)
2G B2 (1900), B3 (1800), B5 (850), B8 (900)

SIM card

TypeDual SIM Dual Standby (Nano SIM + Nano SIM)

SIM cards (MiniSIM) can be cut to MicroSIM, MicroSIM can be cut to NanoSIM and a SIM can even be cut to a NanoSIM (although not recommended). Download this SIM Cutting Template and forget about having to ask your operator for a new SIM...

Wi-Fi

Standards 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac
Others
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi Display
  • Wi-Fi MiMO

Bluetooth

Version Bluetooth 5.0 LELow energy consumption
Profiles
  • A2DP (Advanced Audio Distribution Profile)
  • EDR (Enhanced Data Rate)
  • HID (Human Interface Profile)
  • LE (Low Energy)
  • APT-x

Navigation

Supports GPS, A-GPS, GLONASS, Beidou, Galileo, GPS (L1+L5)

USB

Charging Yes
Mass Storage Yes
USB On-The-Go (OTG) Yes
USB Type C Yes

SAR

European measurement 0.795 W/Kg on head, 1.138 W/Kg on body

The European Union sets a limit of 2 W/kg averaged over 10 grams of tissue.

American measurement 0.840 W/Kg on head, 1.090 W/Kg on body

The FCC limit is 1.6 W/kg measured in a volume of 1 gram of tissue

What is the SAR of Xiaomi Redmi Note 9?
Others
NFC
Yes
Audio Jack
Yes
Radio FM
Yes
Computer sync
Yes
OTA sync
Yes
Infrared
Yes
Tethering.
Yes
VoLTE
Yes
VoWiFi
Yes
User reviews
Does it have good coverage for calls?
8.4

166 reviews

Quality of the GPS
8.2

166 reviews

And the WiFi?
8.4

166 reviews

Battery of Xiaomi Redmi Note 9

Capacity
5020 mAh
Type Li-Polymer
Fast charge Yes , 18.0W
Others
  • Reverse charging
  • Non-removable
Extra
  • in-box 22.5W charger
  • Reverse charging 9W
User reviews
How long does the battery last?
  • 7%
    Two days or more
  • 53%
    More than one day
  • 29%
    One day
  • 10%
    Less than a day
  • 1%
    Less than half day

166 reviews

Software of Xiaomi Redmi Note 9

Software

Operating System Android 12 Snow Cone
MIUI V13 (Android 12)
Google Services (official) Yes
More smartphones with MIUI V13 (Android 12) operating system
User reviews
Did it come with preinstalled applications?
  • 5%
    It comes with a clean operating system
  • 76%
    It has preinstalled apps but they don't bother me
  • 20%
    It has preinstalled apps that I can't uninstall

166 reviews

Do you regularly receive updates?
  • 39%
    Every two months or less
  • 44%
    Every six months
  • 10%
    Once a year
  • 7%
    Never

166 reviews

User reviews about the Xiaomi Redmi Note 9

Overall satisfaction
7.1
  • 75
  • 46
  • 21
  • 12
  • 12
166 reviews
  • Screen7.7
  • Performance6.6
  • Camera7.0
  • Connectivity8.3
  • Battery8.0
Want to comment on the Xiaomi Redmi Note 9?

It'll only take a minute, you'll help people decide.

Latest reviews added

  • I was quickly disappointed

    the bugs occurred very quickly even though it was new for $150

    • 3.2
    • Screen3.5
    • Performance2.6
    • Camera2.2
    • Connectivity4.5
    • Battery7.0
  • not the best, but good for the price

    i would consider myself a "power user" but this phone was in my budget in 2020 so i got it. camera during the day is excellent for the price/a budget phone, during the night it's better not to say anything...
    it's good for normal use, miui is a very clean but a little heavy android skin so might give some problems but the UI/UX is top notch.
    bad stuff: RAM management. it's TERRIBLE. don't bother getting low-end smartphones with mediatek processors because this is what happens, especially with xiaomi that prioritizes battery life and force closes apps in background.
    and obviously don't play games like cod on this potato phone.

    Pros
    • camera during the day
    • battery
    • MIUI
    • camera notch
    • fingerprint reader
    • UI
    Cons
    • brightness
    • MemeTek processor
    • potato phone
    • camera at night
    • 7.4
    • Screen7.5
    • Performance7.0
    • Camera6.2
    • Connectivity9.0
    • Battery7.0
  • Terrible

    Pros
    • Batería
    • Resistente
    Cons
    • Rendimiento muy malo
    • Se calienta
    • 6
    • Screen7.2
    • Performance2.6
    • Camera6.2
    • Connectivity7.3
    • Battery9.0

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Last update
April 14, 2024
State
  • Rumor
  • Presell
  • New
  • On Sale
Latest changes
  • New opinion 9 days ago
  • AnTuTu 20 days ago
  • Operating System 1 year ago
7.3
Ki Cost-effective
Score
  • 5.9 Design & Materials
  • 5.7 Performance & Hardware
  • 6.2 Camera
  • 7.1 Connectivity
  • 7.0 Battery
What is a Ki score?
Ki is an automatic score based on the specifications and prices of devices. It is calculated using over 200 variables to rank smartphones, tablets and other devices from best to worst.
How do we calculate the Ki?

In this case, to determine the score we evaluate 5 general aspects:

  • Design and screen
  • Hardware and performance
  • Camera
  • Connectivity
  • Battery

Once these 5 factors have been rated, we introduce the price variable. This means that any two devices with the same ratings get a different Ki score for quality vs price.

Even a device objectively worse than another may have a higher Ki score if it has a better price.

Does the Ki score change?

The Ki varies as time goes by. As new devices with better specifications enter the market the Ki score of older devices will go down, always being compensated of their decrease in price.