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Xiaomi Redmi K40
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Battery: Li-Po 4520 mAh
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RAM: 6GB, 8GB, 8GB, 12GB
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Storage: 128GB, 128GB, 256GB, 256GB
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Display: Super AMOLED, 6.67 inches
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Camera: Rear 48 MP+8 MP+5 MP, and Front 20 MP
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OS: Android 11, MIUI 12
Full Specifications
Price
| Official | 35990 BDT 6GB/128GB Approx. |
General
| Model | Xiaomi Redmi K40 |
| Announced | 2021, February 25 |
| Released | 2021, March 04 |
| Status | Available |
Design
| Dimensions | 163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in) |
| Weight | 196 g (6.91 oz) |
| SIM <strong>SIM</strong> (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) |
| Colors |
Black, White, Aurora |
Display Specification
| Display Type <strong>Display Technology => </strong> A number of display technologies and types used in mobile phones => TFT (Thin Film Transistor), IPS (In-Place Switching), OLED (Organic Light Emitting Diode), AMOLED (Active-Matrix Organic Light-Emitting Diode), Super AMOLED (an even advanced version of AMOLED), Resistive Touchscreen (Resistive touchscreens contain two layer of conductive material with a very small gap between them which acts as a resistance), Capacitive Touchsceen (Capacitive touchscreen technology consists of a layer of glass coated with a transparent conductor) | Super AMOLED |
| Size | 6.67 inches, 107.4 cm2 |
| Resolution | 1080 x 2400 pixels, 20:9 ratio |
| Refresh Rate | 120Hz |
| Pixel Density <strong>Pixel Density (PPI)</strong> 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 |
| Display Protection <strong>Display Protection => </strong> Gorilla Glass is a special alkali-aluminosilicate glass shield with exceptional damage resistance that helps protect mobile displays from scratches, drops, and bumps of everyday use, It is always better to go for a smartphone with Gorilla Glass for that added protection and peace of mind. | Corning Gorilla Glass 5 |
| Features | HDR10+, 1300 nits (peak) |
Platform
| Operating System <strong>OS => </strong> 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 11, MIUI 12 |
| Chipset <strong>Chipset</strong> 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 <strong>CPU</strong> (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 <strong>GPU</strong> (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 |
Main Camera
| Camera Setup | Triple |
| Resolution |
48 MP, f/1.8, 26mm (wide), 1/2.0&quot;, 0.8µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide) 5 MP, f/2.4, 50mm (macro), 1/5.0&quot;, 1.12µm |
| Features |
LED flash, HDR, panorama |
| Video | 4K@30fps, 1080p@30/60/120/240/960fps, gyro-EIS |
Selfie Camera
| Camera Setup | Single |
| Resolution |
20 MP, f/2.5, (wide), 1/3.4&quot;, 0.8µm |
| Video | 1080p@30fps, 720p@120fps |
| Features | HDR |
Network & Connectivity
| Technology | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G |
| Speed | HSPA, LTE, 5G |
| Wi-fi <strong>Wi-Fi</strong> is a popular wireless networking technology using radio waves to provide high-speed network connections that allows devices to communicate without cords or cables, Wi-Fi is increasingly becoming the preferred mode of internet connectivity all over the world. | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct |
| Bluetooth <strong>Bluetooth</strong> 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. | 5.1, A2DP, LE |
| NFC <strong>NFC</strong> (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. | Yes |
| Positioning |
GPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC |
| FM Radio | No |
| Infrared port | Yes |
| USB | USB Type-C 2.0, OTG |
| 2G Network |
GSM 850 / 900 / 1800 / 1900 - SIM 1 &amp; SIM 2 CDMA 800 |
| 3G Network |
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1x |
| 4G Network |
1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42 |
| 5G Network |
1, 3, 28, 41, 77, 78 SA/NSA/Sub6 |
Battery
| Battery Type <strong>Battery Type => </strong> 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. | Li-Poly (Lithium Polymer) |
| Capacity <strong>Battery Capacity</strong> 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. | 4520 mAh |
| Removable | No |
| Charging |
33W wired, PD3.0, QC3, 100% in 52 min (advertised) |
| Wireless Charging <strong>Wireless Charging</strong> (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. | No |
Multimedia
| Loudspeaker | Yes, with stereo speakers |
| Audio Jack |
No |
| Audio Features | 24-bit/192kHz Hi-Res audio |
Storage
| Card Slot <strong>Memory Card Slot</strong> 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 |
| Internal Storage <strong>Internal Storage</strong> 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. |
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM UFS 3.1 |
Sensors
| Fingerprint | Yes (side-mounted) |
| Other Sensors | accelerometer, gyro, proximity, compass, color spectrum |
FAQs about Xiaomi Redmi K40
Q: What is the display size and type of the Redmi K40?
Answer: The Redmi K40 features a 6.67-inch Super AMOLED display with a resolution of 1080 x 2400 pixels, a 20:9 aspect ratio, and a 120Hz refresh rate. It also supports HDR10+ and has a peak brightness of 1300 nits.
Q: What processor powers the Redmi K40?
Answer: The Redmi K40 is powered by the Qualcomm Snapdragon 870 5G chipset, which is an octa-core processor based on a 7nm manufacturing process, featuring one Kryo 585 core clocked at 3.2GHz, three Kryo 585 cores clocked at 2.42GHz, and four Kryo 585 cores clocked at 1.8GHz.
Q: What are the camera specifications of the Redmi K40?
Answer: The Redmi K40 has a triple rear camera setup, consisting of a 48MP primary camera with f/1.8 aperture, an 8MP ultra-wide camera with a 119-degree field of view, and a 5MP macro camera. On the front, it has a 20MP selfie camera with f/2.5 aperture.
Q: How much RAM and storage does the Redmi K40 offer?
Answer: The Redmi K40 is available in four configurations: 6GB RAM + 128GB storage, 8GB RAM + 128GB storage, 8GB RAM + 256GB storage, and 12GB RAM + 256GB storage. It does not have a microSD card slot for expandable storage.
Q: What is the battery capacity and charging speed of the Redmi K40?
Answer: The Redmi K40 is equipped with a 4,520mAh battery that supports 33W wired fast charging, which can charge the device from 0 to 100% in approximately 52 minutes, according to Xiaomi.
Q: Does the Redmi K40 have a headphone jack?
Answer: No, the Redmi K40 does not have a 3.5mm headphone jack for wired audio connectivity.
Q: What Android and MIUI version does the Redmi K40 run?
Answer: The Redmi K40 ships with Android 11 out of the box, with Xiaomi’s custom MIUI 12 skin on top.
Q: Does the Redmi K40 support 5G connectivity?
Answer: Yes, the Redmi K40 is a 5G-enabled smartphone, supporting both SA and NSA 5G modes as well as Sub-6GHz 5G bands.
