
Xiaomi Redmi K40s: A Closer Look at Specs and Cameras
Xiaomi announced the launch of the Redmi K40s smartphone in 2022. The manufacturer is offering the Xiaomi Redmi K40s phone with 6.67 inch display, Qualcomm Snapdragon 870 chipset, 6 GB of RAM and 128 GB of internal storage.
The Xiaomi Redmi K40s smartphone comes with Android OS v12.0 out of the box, and a Li-Po 4500 mAh, non-removable battery. The Redmi K40s comes with a high-quality AMOLED display. AMOLED displays offer several advantages that contribute to their popularity in smartphones and other devices. The multi-camera setup on the Redmi K40s offers versatility, allowing you to capture a wide range of subjects and scenes with different perspectives. With multiple cameras, you can capture the same scene from different angles or focal lengths simultaneously. The front camera of Redmi K40s gives you the freedom to capture moments with yourself or your friends and family easily.
Xiaomi Redmi K40s pictures



The specifications below 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 K40s, then don’t hesitate and signal the problem to us.
Xiaomi Redmi K40s specifications
Brand | Xiaomi |
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Name | Redmi K40s |
Model | REDMIK40S |
Release date | 2022 |
Body
Weight | 6.88 oz |
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Dimensions | 6.43 x 2.99 x 0.3 inch |
Colors | black, blue, gray, green |
SIM type | Nano SIM |
The weight of Xiaomi Redmi K40s is about 6.88 oz with battery, which is average compared to most of the smartphones with same size. The dimensions of this Xiaomi smartphone are average (6.43 x 2.99 x 0.3 inch). Smaller smartphones are more compact and easier to carry around, but they may have smaller displays that can be harder to read and interact with. A Nano SIM is a small (12.3 x 8.8 x 0.67 mm) chipcard that is used in smartphones as a subscriber identity module (SIM) for connecting to a cellular network.
System
OS version | Android OS v12.0 |
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SoC | Qualcomm Snapdragon 870 |
CPU | Octa-core, Single-core 3.2 GHz Kryo 585, Triple-core 2.4 GHz Kryo 585, Quad-core 1.8 GHz Kryo 385 |
GPU | Adreno 650 |
The Xiaomi Redmi K40s comes with Android OS v12.0 out of the box, but it is upgradable to the next OS. Android is based on the Linux kernel and includes a user interface, middleware, and a range of pre-installed applications. The Redmi K40s utilizes Qualcomm Snapdragon 870 SoC (System on a Chip). This powerful octa-core processor is capable of handling complex tasks and running multiple applications simultaneously.
The Redmi K40s utilizes Adreno 650 GPU. A GPU (Graphics Processing Unit) is a specialized chip that is primarily designed to handle and accelerate the processing of graphics and visual data. It is responsible for rendering images, videos, and animations on a smartphone screen. Adreno GPUs are designed to work in conjunction with Qualcomm's Snapdragon processors. The latest Adreno GPUs support advanced graphics features such as high dynamic range (HDR) rendering, virtual reality, and augmented reality applications.
Display
Display type | AMOLED |
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Screen size | 6.67 inch |
Resolution | 1080 x 2400 px |
Multitouch support | yes |
The 6.67 inch phone comes with AMOLED display. The AMOLED is a display technology and stands for Active Matrix Organic Light Emitting Diodes, it is a type of OLED display and is used in smartphones. The 6.67 inch display should be large enough to provide a comfortable viewing experience for your needs, whether it's reading text, browsing the web, or watching videos. The size of the screen is measured diagonally, from corner to corner. A larger screen typically requires more power to illuminate, which can impact battery life. The display of Xiaomi Redmi K40s is multitouch capable. Multitouch technology enables the device's touchscreen to detect and interpret multiple touch points on the screen simultaneously.
Memory
RAM | 6 GB |
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Internal storage | 128 GB |
Memory card slot | microSD |
The Xiaomi Redmi K40s comes with 6 GB of RAM, which is considered to be sufficient for most users' needs. The amount of RAM needed for optimal performance depends on factors such as the operating system, the apps and services you use, and how you use your device. 128 GB of internal storage should be more than enough for their needs. The Redmi K40s has 128 GB of internal storage. The internal storage of the Redmi K40s (128 GB) can be expanded with a compatible microSD card. MicroSD cards are popular because they're small, lightweight, and easy to use.
Camera
Main camera | 48 + 8 + 2 MP, 8000 x 6000 px, autofocus, optical image stabilization |
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Flash | Dual LED |
Selfie camera | 20 MP |
The multi-camera setup of Redmi K40s allows you to adapt to different photography situations and achieve various perspectives and compositions. The main camera of the Redmi K40s 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 K40s 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.
Connectivity
GSM 2G bands | 850 / 900 / 1800 / 1900 |
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Network coverage | 2G / 3G / 4G / 5G |
Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac |
Bluetooth | v5.2, A2DP |
GPS | A-GPS, GLONASS, Beidou, GALILEO |
NFC | yes |
FM radio | no |
USB | USB Type-C |
Headphone | no |
The Xiaomi Redmi K40s supports the latest 5G network technology. It is the successor to 4G (Fourth Generation) and offers significant advancements in terms of speed, capacity, latency, and overall network performance. The Xiaomi Redmi K40s like all modern smartphones, is capable of connecting to Wi-Fi networks. Wi-Fi networks use radio waves to transmit data between devices and a wireless access point, which is typically connected to a wired network and serves as a hub for wireless devices to connect to the internet or other networks.
The Redmi K40s supports the latest Bluetooth standards, which offers faster data transfer speeds, better range, and improved reliability compared to previous versions of Bluetooth. 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 K40s has a built-in NFC chip, which allows it to support various NFC applications and services such as contactless payments, data transfer, and access control. The Redmi K40s phone doesn't have built-in FM radio receiver. The Redmi K40s has an USB Type-C port. Type-C is a small, reversible connector that can be plugged in to a device in either orientation, making it more convenient to use than older USB connectors that only worked when plugged in a certain way. The Redmi K40s smartphone does not have 3.5 mm headphone jack.
Battery
Type | Li-Po 4500 mAh, non-removable |
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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 K40s isn't removable without voiding the warranty.
Features
Sensors | accelerometer, color spectrum, compass, fingerprint, gyroscope, light, proximity |
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Specials | Dual SIM, Fast charging, Hi-Res Audio, MIUI, Corning Gorilla Glass 5 |
Smartphones today come with a wealth of sensors to facilitate a better user experience. The Xiaomi Redmi K40s smartphone has an accelerometer. The presence of an accelerometer in smartphones enables a range of interactive and intuitive functionalities that enhance the user experience and enable innovative applications. The Redmi K40s 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 come with proximity sensor. This proximity sensor detects how close the phone is to an outside object, such as your ear. The Redmi K40s phone comes with a compass sensor. A compass sensor is a device that provides accurate directions in relation to the earth's North and South magnetic poles. The ambient light sensor detects the level of ambient light in the surrounding environment. The main purpose of a light sensor in a smartphone is to automatically adjust the brightness of the device's display.
The Dual SIM capability of Xiaomi Redmi K40s 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. The Redmi K40s supports fast charging. With fast charging, you can get a significant amount of battery life in just a few minutes of charging, which is especially useful if you need to use your phone but don't have much time to wait for it to charge. Corning Gorilla Glass is a type of chemically strengthened super-glass.
More Xiaomi smartphones
Check out the following collection of additional Xiaomi phones we have gathered for you. We have carefully curated this list to empower you with a convenient resource for exploring and comparing features, specifications, and capabilities of different Xiaomi phones, helping you make an informed decision when choosing your next device.

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