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Xiaomi Redmi K40S

Xiaomi Redmi K40S

৳26,000.00
Brand: Xiaomi
Category: Smartphones
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Released: 2022, March 17
OS: Android 12, MIUI 13
Display: 6.67" 1080x2400 pixels
Camera: 48MP 2160p
RAM: 6-12GB RAM Snapdragon 870 5G
Battery: 4500mAh Li-Po

Full Specifications and Price in Bangladesh

General Info

Announced	2022, March 17
Status	Available
Brand	Xiaomi
Model	Xiaomi Redmi K40S
Color	Black, Gray, Blue, Green
Made by	China
Price	BDT. 26,000

Network

Technology	GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
2G Bands	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800
3G Bands	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1x
4G Bands	1, 2, 3, 4, 5, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
5G Bands	1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
Speed	HSPA, LTE, 5G
GPRS GPRS (General Packet Radio Service) is a packet oriented mobile data service on the 2G and 3G cellular communication system's global system for mobile communications (GSM), Generally, GPRS is used for the purpose of wireless data transfer, such as sharing pictures and videos or browsing the Internet via a mobile phone connection.
EDGE EDGE (Enhanced Data GSM Environment) is a wireless network technology generally considered the next step in the 2G network offers data transfer rates up to four times faster than ordinary GSM networks, Generally, EDGE is used for the purpose of wireless data transfer, such as sharing pictures and videos or browsing the Internet via a mobile phone connection.

Body

Dimensions	163.2 x 76 x 7.7 mm (6.43 x 2.99 x 0.30 in)
Weight	195 g (6.88 oz)
Build	Glass front (Gorilla Glass 5), plastic back
SIM SIM (Subscriber Identity Module) is a small card that contains mobile network subscriber's account information. This allows the phone using the card to attach to a mobile network. The SIM card is most commonly associated with GSM and UMTS mobile networks. Moving a SIM card from one phone to another allows a subscriber to switch mobile phones without having to contact their mobile network carrier. SIM cards can also be used by a phone to store limited amounts of data, such as phone numbers and text messages.	Dual SIM (Nano-SIM, dual stand-by)

Display

Type Design Type called form factor refers to a mobile phone's size, shape, and style as well as the layout and position of major components of phone. There are three major form factors seen in mobile phones => bar phones, folding phones and sliding phones.	AMOLED, 120Hz, HDR10+, 1300 nits (peak)
Size	6.67 inches, 107.4 cm2 (~86.6% screen-to-body ratio)
Resolution	1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Refresh Rate	120Hz
Protection	Corning Gorilla Glass 5
Pixel Density Pixel Density (PPI) is refers to the concentration of pixels on a particular display, measured in pixels per inch (ppi). Pixel density is calculated by dividing the diagonal pixel resolution of a display by its diagonal size, higher pixel density better display quality.	395 ppi density
Multitouch
Features	- SMS(threaded view), MMS, Email, Push Email, IM - XviD/MP4/H.265 player - MP3/WAV/eAAC+/Flac player - Photo/video editor - Document viewer

Platform

Operating System OS => Every computer system run on a base software called Operating System (OS). Operating System controls all basic operations of the computer (such as smartphone, PDAs, tablet computers and other handheld devices). The Operating System allows the user to install and run third party applications (apps), apps are used to add new functionality to the device.	Android 12, MIUI 13
Chipset Chipset is a group of integrated circuits designed to perform one or a more dedicated functions, often with real time computing constraints, Popular smartphones are equipped with more advanced embedded chipsets that can do many different tasks depending on their programming.	Qualcomm SM8250-AC Snapdragon 870 5G (7 nm)
CPU CPU (Central Processing Unit) mostly known as processors, CPU processes instructions in order to carry out certain functions that make your device operate properly. Processors are often described as the brain of computers, smartphones and tablets, Smartphones and tablets rely on processors to carry out their every task, Processors are an incredibly important factor in selecting any type of computing device, including your smartphone.	Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
GPU GPU (Graphics Processing Unit) is a single-chip processor designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display, This includes things such as lighting effects, object transformations, and 3D motion.	Adreno 650

Memory

Card Slot Memory Card Slot is a special slot for inserting a memory card. Memory cards allow you to expand the phone's built-in memory, A memory card (sometimes called a flash memory card or a storage card) is a small storage medium used to store data such as text, pictures, audio, and video, for use on small, portable or remote computing devices such as mobile phones, mp3 players, digital cameras.	No
RAM RAM (Random Access Memory) is a type of computer memory that can be accessed randomly, any byte of memory can be accessed without touching the preceding bytes that allows information to be stored and accessed quickly from random locations. RAM is the most common type of memory found in computer systems, smartphones, tablets and other electronic devices.	6/8/12 GB
Internal Internal Storage is a data storage space (flash memory) mostly used in smartphones, tablets and other electronic devices where operating system, apps, music, photos, videos, files and other user data Is stored.	128/256 GB UFS 3.1

Main Camera

Camera Resolution	48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF, OIS 8 MP, 119˚ (ultrawide) 2 MP, f/2.4, (macro)
Camera Features	Dual-LED dual-tone flash, HDR, panorama
Video Resolution	4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS

Selfie Camera

Camera Resolution	20 MP, (wide)
Camera Features	HDR
Video Resolution	1080p@30/120fps

Sound

Alert Types	Vibration, MP3, WAV ringtones
Loudspeaker	Yes, with stereo speakers
Audio Jack

Connectivity

WLAN	Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot
Bluetooth Bluetooth is a wireless communications technology for exchanging data between mobile phones, headsets, computers and other network devices over short distances without wires, Bluetooth technology was primarily designed to support simple wireless networking of personal consumer devices.	5.2, A2DP, LE
GPS GPS The Global Positioning System is a satellite-based radio navigation system, GPS permits users to determine their position, velocity and the time 24 hours a day, in all weather, anywhere in the world, In order to locate your position, your device or GPS receiver must have a clear view of the sky.	Yes, with A-GPS. Up to tri-band: GLONASS (1), BDS (3), GALILEO (2), QZSS (2), NavIC
NFC NFC (Near field communication) is a set of standards for smartphones and similar devices to establish peer-to-peer radio communications with each other by touching them together or bringing them into proximity, usually no more than a few inches.
Infrared port
FM Radio
USB	USB Type-C 2.0, USB On-The-Go

Features

Sensors Sensors are electronic components that detects and responds to some type of input from the physical environment. The specific input could be light, heat, motion, moisture, pressure and location, The output is generally a signal that is converted to use in computing systems, a location sensor, such as a GPS receiver is able to detect current location of your electronic device.	Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, color spectrum
Messaging	SMS(threaded view), MMS, Email, Push Email, IM
Browser Web Browser => a web browser is a software application used to locate, retrieve and display content on the World Wide Web, including Web pages, images, video and other files, The primary function of a web browser is to render HTML, the code used to design or markup webpages.	HTML5
Java

Battery

Battery Type Battery Type => Cell phones run on various kinds of batteries depending on the manufacturer, phone size or shape and features. There are basically four types of cell phone batteries => Lithium Polymer, Lithium Ion, Nickel Metal Hydride and Nickel Cadmium.	Non-removable Li-Po
Battery Capacity Battery Capacity is a measure (typically in Amp-hr) of the charge stored by the battery, and is determined by the mass of active material contained in the battery. The battery capacity represents the maximum amount of energy that can be extracted from the battery under certain conditions.	4500 mAh
Charging Wireless Charging (Inductive Charging) uses an electromagnetic field to transfer energy between two objects. This is usually done with a charging station. Energy is sent through an inductive coupling to an electrical device, which can then use that energy to charge batteries or run the device.	Fast charging 67W, 100% in 38 min (advertised) Power Delivery 3.0 Quick Charge 3+
Fast Charging
Wireless Charging

Our Rating

The overall rating is based on review by our experts

6.4

Design 9 / 10
Display 6 / 10
Camera 4 / 10
Connectivity 5 / 10
Features 7 / 10
Performance 4 / 10
Battery 9 / 10
Usability 7 / 10

Xiaomi Redmi K40S: Overview

The Xiaomi Redmi K40S is a powerful mid-range smartphone that delivers solid performance and features at an affordable price. Powered by the Qualcomm Snapdragon 870 chipset, the device ensures smooth multitasking, gaming, and overall performance. The 6.67-inch AMOLED display with a 120Hz refresh rate provides vibrant colors and smooth scrolling, perfect for media consumption and gaming.

The 48MP triple-camera setup captures sharp and detailed images, while the 20MP front camera is ideal for selfies. With a 4500mAh battery and 67W fast charging, the Redmi K40S ensures quick recharges and long-lasting usage. It also supports 5G connectivity, making it a future-proof option for users seeking high-speed internet.

Price in Bangladesh

The Xiaomi Redmi K40S is priced at approximately BDT 26,000, offering great value for users who want premium features at a mid-range price.

Pro and Cons

Pros:

Powerful Performance: The Snapdragon 870 chipset ensures smooth gaming, multitasking, and overall performance.
120Hz AMOLED Display: The 6.67-inch display offers vibrant colors and fluid visuals, ideal for media consumption and gaming.
Fast Charging: With 67W fast charging, the 4500mAh battery charges quickly, reducing downtime.
Solid Camera Setup: The 48MP triple-camera system provides good photo quality, especially in well-lit environments.
5G Connectivity: Ensures faster internet speeds and future-proofing for better network performance.

Cons:

No Wireless Charging: Despite its fast wired charging capabilities, the phone lacks wireless charging support.
Plastic Build: The plastic frame may not feel as premium as metal or glass designs.
Average Low-Light Photography: The camera may struggle in low-light conditions compared to flagship models.

FAQs

1. Does the Xiaomi Redmi K40S support fast charging?

Yes, the Redmi K40S supports 67W fast charging, allowing the 4500mAh battery to be charged quickly.

2. What is the battery capacity of the Xiaomi Redmi K40S?

The phone has a 4500mAh battery, providing decent battery life for all-day usage.

3. Does the Xiaomi Redmi K40S support 5G connectivity?

Yes, the phone supports 5G, ensuring faster internet speeds and better overall connectivity.

4. How is the camera performance of the Xiaomi Redmi K40S?

The 48MP triple-camera setup performs well in well-lit conditions but may struggle in low-light environments.

5. Is the Xiaomi Redmi K40S good for gaming?

Yes, the phone offers smooth gaming performance with the Snapdragon 870 chipset and the 120Hz AMOLED display.

6. Does the Xiaomi Redmi K40S have wireless charging?

No, the Redmi K40S does not support wireless charging.

Reason to Buy

Powerful Performance for Gaming and Multitasking: The Snapdragon 870 chipset ensures top-tier performance, perfect for gamers and power users.
Smooth Display Experience: The 120Hz AMOLED display offers smooth scrolling and vibrant visuals, making it ideal for media consumption and gaming.
Fast Charging: With 67W fast charging, the phone charges quickly, reducing downtime and keeping you connected throughout the day.
Good Camera for Daylight Shots: The 48MP camera delivers clear and detailed photos in good lighting conditions, making it suitable for everyday photography.
5G Connectivity: The phone is future-proofed with 5G support, ensuring faster download speeds and improved network performance.

The Xiaomi Redmi K40S is an excellent option for a performance-driven smartphone at a mid-range price. Its powerful hardware, fast charging, and smooth display make it a compelling choice for gamers, media lovers, and users who need solid day-to-day performance.