Redmi K40: Specification, Price and Availability

redmi k40

Xiaomi’s sub-brand Redmi just launched its K40 series, Redmi K40, K40 Pro, and K40 Pro+ in China. This new flagship lineup from Redmi delivers a truly attractive design, impressive hardware/software capabilities, flagship processor, new features, and much more.


The Redmi K40 is completely different from its predecessor, Redmi K30. It features a small center-aligned punch-hole display, and a rectangular rear camera module with curved corners, reminding us of the Mi 11.

Redmi K40 comes with a 6.67-inch E4 AMOLED screen with a 120Hz refresh rate, Snapdragon 870 SoC, 48 MP primary camera, 4520mAh battery with 33W fast charging, and more.

Below you can check the full specification, price, and availability of the Redmi K40.



  • 6.67-inch (2400 x 1080 pixels) Full HD+ AMOLED 20:9 HDR10 + display with MEMC, 120Hz refresh rate, 1300nit (HBM) / 900nit (Typ) brightness, 5,000,000:1 (Min) contrast ratio, Corning Gorilla Glass 5 protection


  • Octa-Core (1 x 3.2GHz + 3 x 2.42GHz + 4 x 1.8GHz Hexa) Snapdragon 870 7nm Mobile Platform with Adreno 650 GPU


  • 6GB / 8GB LPPDDR5 RAM with 128GB UFS 3.1 storage, 8GB / 12GB LPPDDR5 RAM with 256GB UFS 3.1 storage


  • Dual SIM (nano + nano)

Operating System

  • MIUI 12 based on Android 11, MIUI 12.5 coming soon

Main Camera

  • 48MP rear camera with 1/ 1.2″ Sony IMX582 sensor, f/1.79 aperture, LED flash, 8MP 119° ultra-wide angle lens with f/2.4 aperture, 5MP telemacro camera with f/2.4 aperture

Front Camera

  • 20MP front-facing camera with 0.8μm pixel size, f/2.4 aperture

Additional feature

  • Side-mounted fingerprint sensor, Infrared sensor


  • USB Type-C audio, Hi-Res audio, Dual speakers, Dolby Atmos


  • 163.7x 76.4 x 7.8mm


  • 196g


  • 5G SA/NSA (Dual SIM in Pro),Dual 4G VoLTE, Wi-Fi 6 802.11 ax (Wi-Fi 6E in pro), Bluetooth 5.1 (Bluetooth 5.2 in Pro), GPS (L1 + L5), NavIC, NFC, USB Type-C


  • 4520mAh (Typical) battery with 33W wired QC3 + / PD3.0 fast charging


Redmi K40 offers three color options – Glossy Black, Icy White, and Dreamland. It is already available to order at online stores in China and it will go on sale from March 4th. Below you can check its price as per its storage variant.

  • Redmi K40 (6GB + 128GB) priced at 1999 yuan (US$ 309 / Rs. 22,485 approx.)
  • Redmi K40 (8GB + 128GB) priced at 2199 yuan (US$ 340 / Rs. 24,735 approx.)
  • Redmi K40 (8GB + 256GB) priced at 2499 yuan (US$ 387 / Rs. 28,105 approx.)
  • Redmi K40 (12GB + 256GB) priced at 2,699 yuan (US$ 418 / Rs. 30,340 approx.).

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