Xiaomi Redmi K40 Pro: specs, release date, camera, screen, size, reviews

Added 02.26.21 | Updated 04.25.23

Xiaomi Redmi K40 Pro

  • Rating: 4.25 out of 5 (4 votes)
  • Release Date:  February 25, 2021
  • Price: 360 EUR
  • Processor: Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680)
  • Storage and memory: 128GB 6GB RAM
  • Screen: Super AMOLED 6.67 inc
  • Main Camera:  Triple, 64MP
  • Selfie Camera:  Single, 20MP
  • Related ModelsXiaomi Redmi K40S | Xiaomi Redmi K40 Gaming | Xiaomi Redmi K40 | Xiaomi Redmi K40 Pro+ |

Table of contents

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Xiaomi Redmi K40 Pro specs

Common | Price | Design | Screen | Hardware | Memory | Software | Main Camera | Selfie camera | Cellular | Connectivity | Battery | Audio | Sensors | Performance Benchmark

Xiaomi Redmi K40 Pro Release dateCommon

Brand and model

Xiaomi Redmi K40 Pro

Launch date

25 February 2021

Xiaomi Redmi K40 Pro PricePrice

First price

360 EUR

Xiaomi Redmi K40 Pro dimension, size, weightDesign


6.44 inc (163.7 mm)


3.01 inc ( 76.4 mm)


0.31 inc ( 7.8 mm)


6.91 oz (196 grams)

Water resistant

IP53, dust and splash protection


Black, White, Aurora

Xiaomi Redmi K40 Pro screenScreen

Technology Super AMOLED

6.67 inc

Screen Area

107.4 cm2


1080 x 2400 px

Points per inch

395 PPI

Color Depth


Ratio (height:width)


Ratio (screen:body)


Screen Protection

Corning Gorilla Glass 5

Additional Features

-1300 nits (peak)

Xiaomi Redmi K40 Pro ProcessorHardware


Qualcomm SM8350 Snapdragon 888 (5 nm)

Processor CPU

- Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680)

Graphics processor GPU

- Adreno 660

Xiaomi Redmi K40 Pro Memory and storageMemory

Internal Memory

128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM

Memory Card Slot


Xiaomi Redmi K40 Pro SoftwareSoftware

Operating System (OS)

Android 11, MIUI 12

User Interface

Xiaomi Redmi K40 Pro main camera specsMain Camera

Number of Cameras



-64 MP, f/1.9, 26mm (wide), 1/1.7", 0.8µm, PDAF
-8 MP, f/2.2, 119˚ (ultrawide)
-5 MP, f/2.4, 50mm (macro), 1/5.0", 1.12µm


LED flash, HDR, panorama

Video Recording 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+

Xiaomi Redmi K40 Pro selfie camera specsSelfie camera

Number of Cameras



-20 MP, f/2.5, (wide), 1/3.4", 0.8µm



Video Recording 1080p@30fps, 720p@120fps

Xiaomi Redmi K40 Pro Cellular BandsCellular

Bands GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
Show all bands:
SIM Card Dual SIM (Nano-SIM, dual stand-by)
Speed HSPA 42.2/5.76 Mbps, LTE-A, 5G

Xiaomi Redmi K40 Pro wifi bluetooth gps nfcConnectivity

Wi-Fi Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, hotspot
Bluetooth 5.2, A2DP, LE
GPS Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS, NavIC
USB USB Type-C 2.0, USB On-The-Go

Xiaomi Redmi K40 Pro Battery type and CapacityBattery


4520 mAh


Li-Po, non-removable


-Fast charging 33W, 100% in 52 min
-Power Delivery 3.0
-Quick Charge 3+

Xiaomi Redmi K40 Pro sound and multimediaAudio

Headphone Jack No
Radio No
Others -24-bit/192kHz audio
-stereo speakers


Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, color spectrum, barometer , Infrared blaster

Other specifications


Performance Benchmark

Xiaomi Redmi K40 Pro antutu score Antutu Score

Antutu 9 Score821021 (Position 182 out of 1346)

See the page Xiaomi Redmi K40 Pro Antutu where you will find details about the Antutu result of the device, rankings, and similar models

Disclaimer: This information is based on public data and official specifications from Xiaomi. However, there may be differences in specifications.

Xiaomi Redmi K40 Pro video reviews

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Xiaomi Redmi K40 Pro Reviews and Opinions

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Frequently Asked Questions

The price of the Xiaomi Redmi K40 Pro varies based on the specific model and storage capacity. As of the latest update, the base model starts at 360 EUR. Prices increase for models with larger storage capacity and additional features.
Xiaomi Redmi K40 Pro mobile was launched on February 25, 2021 in these colors: Black, White, Aurora.
The Xiaomi Redmi K40 Pro has dimensions of Height: 163.7 mm Width: 76.4 mm Thickness: 7.8 mm and weighs approximately 196 grams.
When measured as a standard rectangular shape, the screen is 6.67 inches diagonally offering a resolution of 1080 x 2400 px at a pixel density of 395 ppi.
Device comes with chipset Qualcomm SM8350 Snapdragon 888 (5 nm) with processor Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680). Xiaomi Redmi K40 Pro is available with internal memory of 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM.
The device have a Triple rear camera setup with specs of 64 MP, f/1.9, 26mm (wide), 1/1.7", 0.8µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide) 5 MP, f/2.4, 50mm (macro), 1/5.0", 1.12µm and features like LED flash, HDR, panorama
The device comes with Single front camera setup with specs of 20 MP, f/2.5, (wide), 1/3.4", 0.8µm and features like HDR