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Background and Identification

The Xiaomi Redmi Note 9 is an Android smartphone developed by Xiaomi Inc in 2020. It’s a mid-range phone, but it received generally good reviews from critics. This phone comes with four different color options: Forest Green, Midnight Grey, Polar White, Black.

It contains up to 128 GB of internal storage and 6 GB RAM. Xiaomi Redmi Note 9 includes a 5020 mAh battery with permanent adhesive, making repair and replacement a bit difficult. It supports 18W fast charging, but no wireless charging.

It features a 6.53-inch IPS LCD display and a plastic frame with Gorilla Glass 5 front and a rear-mounted fingerprint sensor. Additional features include accelerometer, gyro, and compass sensors.

Specifications

Release date: April 2020

Dimensions: 162.3 x 77.2 x 8.9 mm (6.39 x 3.04 x 0.35 in)

Weight: 199 g (7.02 oz)

Display:

  • IPS LCD, 450 nits (typ)
  • 6.53 inches, 104.7 cm2 (~83.5% screen-to-body ratio)
  • 1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density)

Operating System: Android 10, MIUI 12

Processor: MediaTek Helio G85 (12nm)

  • Chipset: Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)

RAM and Storage: 64GB/3GB RAM, 64GB/4GB RAM, 128GB/4GB RAM, 128GB/6GB RAM

Cameras:

  • Rear-facing cameras:
    • 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF
    • 8 MP, f/2.2, 118˚ (ultrawide), 1/4.0", 1.12µm
    • 2 MP, f/2.4, (macro), AF
    • 2 MP, f/2.4, (depth)
  • Front-facing camera: 13 MP, f/2.3, 29mm (standard), 1/3.1", 1.12µm

Battery:

  • Li-Po 5020 mAh
  • Fast charging 18W
  • Reverse charging 9W

Sensors:

  • Fingerprint (rear-mounted)
  • Gyro
  • Accelerometer
  • Electronic compass

Wireless Connectivity:

  • Wi-Fi 802.11 a/b/g/n/ac, dual-band
  • Bluetooth 5.0
  • NFC
  • USB-C 2.0

Additional Information

Xiaomi Redmi Note 9 Product Page

GSMArena Specifications