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Xiaomi Redmi K40 (2021) review

Android OS v11.0
Qualcomm Snapdragon 870
Adreno 650
6 GB / 128 GB
6.67 inches (1440 x 3200 px)
108 + 8 + 5 + 2 MP, 12000 x 9000 px, autofocus, optical image stabilization

Xiaomi announced the launch of the Redmi K40 smartphone in 2021. The manufacturer is offering the Xiaomi Redmi K40 phone with 6.67 inches display, Qualcomm Snapdragon 870 chipset, 6 GB of RAM and 128 GB of internal storage.

The Xiaomi Redmi K40 comes with Android OS v11.0 out of the box, and a Li-Po 4500 mAh, non-removable battery. The 6.67 inches phone comes with IPS display (1440 x 3200 px). The IPS display provides enhanced features, such as optimal viewing angles, color accuracy, invariable color reproduction and better power consumption.

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Xiaomi Redmi K40 specifications

BrandXiaomi
NameRedmi K40
ModelM2011K2C
Release date2021

Body

The weight of Xiaomi Redmi K40 is about 7.34 oz with battery, which is average compared to most of the smartphones with same size. The dimensions of this Xiaomi phone are average (6.44 x 3.01 x 0.31 inches).

Weight7.34 oz
Dimensions6.44 x 3.01 x 0.31 inches
Colorsblack, blue
SIM typeNano SIM

System

The Xiaomi Redmi K40 comes with Android OS v11.0 out of the box, but it is upgradable to the next OS.

OS versionAndroid OS v11.0
SoCQualcomm Snapdragon 870
CPUOcta-core, Single-core 3.2 GHz Kryo 585, Triple-core 2.4 GHz Kryo 585, Quad-core 1.8 GHz Kryo 385
GPUAdreno 650

Display

The size of Redmi K40 screen is measured diagonally, from corner to corner. The 6.67 inches IPS display of Xiaomi Redmi K40 with 1440 x 3200 px resolution is multitouch capable.

Display typeIPS
Screen size6.67 inches
Resolution1440 x 3200 px
Multitouch supportyes

Memory

The internal memory of Xiaomi Redmi K40 (6 GB) cannot be expanded, but the internal storage (128 GB) can be expanded with a compatible microSD card.

RAM6 GB
Internal storage128 GB
Memory card slotmicroSD

Camera

The camera of the Redmi K40 is equipped with autofocus. An autofocus (or AF) optical system uses a sensor, a control system and a motor to focus on an automatically or manually selected point or area. Very few Android cameras come without autofocus. The main camera of Redmi K40 has optical image stabilization (OIS) to counteract camera shake. Optical image stabilization is a must for anyone shooting without a tripod with a long lens or in low light conditions.

Selfie camera30 MP
Main camera108 + 8 + 5 + 2 MP, 12000 x 9000 px, autofocus, optical image stabilization
FlashDual LED

Connectivity

The Xiaomi Redmi K40 supports 2G, 3G and 4G/LTE networks. This phone has a built-in GPS. GPS is a highly accurate navigation system using signals from satellites to determine a location on the Earth's surface, irrespective of weather conditions. Most phones have a GPS unit on board. The Redmi K40 comes with NFC (Near Field Communication) functionality. Near Field Communication (NFC) is a short-range wireless connectivity technology that makes life easier and more convenient for consumers around the world by making it simpler to make transactions, exchange digital content, and connect electronic devices with a touch. The Redmi K40 phone has built-in FM radio. The built-in FM Radio is great for listening to your favorite radio station.

GSM 2G bands850 / 900 / 1800 / 1900
Network coverage2G / 3G / 4G / 5G
Wi-FiWi-Fi 802.11 a/b/g/n/ac
Bluetoothv5.1, A2DP
GPSA-GPS, GLONASS
NFCyes
FM radioyes
USBUSB Type-C
Headphone3.5 mm jack

Battery

The Li-Po 4500 mAh, non-removable battery gives the smartphone a good battery backup. The lithium polymer (Li-Po) battery is a thin, light-weight, rechargeable battery. No periodic discharge is needed and charging can be done at random. The battery of Redmi K40 isn't removable without voiding the warranty.

TypeLi-Po 4500 mAh, non-removable

Features

Smartphones today come with a wealth of sensors to facilitate a better user experience. The accelerometer is a sensor that measures the tilting motion and orientation of the phone. The Redmi K40 phone has a fingerprint scanner. This sensor identifies and authenticates the fingerprints of an individual in order to grant or deny access to a smartphone. This Xiaomi phones comes with proximity sensor. This proximity sensor detects how close the phone is to an outside object, such as your ear. The Dual SIM capability of Xiaomi Redmi K40 phone is ideal for businesses wishing to provide staff with a mobile device that can offer separate numbers and bills for both personal and business use. This smartphone supports fast charging technology, which comes in handy when you need quick juice on your device.

Sensorsaccelerometer, compass, fingerprint, geomagnetic, gravity, gyroscope, light, pedometer, proximity
SpecialsCorning Gorilla Glass, Dual SIM, Fast charging, Hi-Res Audio, MIUI
Add Xiaomi Redmi K40 to your comparison

The specifications above are based on the official data published by the manufacturer, but we also take user reviews into consideration. If you found an error or something lacking in the specifications above for the Xiaomi Redmi K40, then don’t hesitate and signal the problem to us.

Xiaomi Redmi K40 pictures

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