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Xiaomi Redmi K40 Pro Plus
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Battery: Li-Po 4520 mAh
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RAM: 12GB
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Storage: 256GB
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Display: Super AMOLED, 6.67 inches
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Camera: Rear 108 MP+8 MP+5 MP, and Front 20 MP
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OS: Android 11, MIUI 12
Full Specifications
General
| Model | Xiaomi Redmi K40 Pro Plus |
| Announced | 2021, February 25 |
| Released | 2021, March 04 |
| Status | Available |
Price
| Official | Not Available |
| Unofficial | 51999 BDT 12GB/256GB Exp. |
| Used | 22000 – 30000 BDT |
Design
| Dimensions The Dimensions section shows the phone’s physical size in Height × Length × Width (H × L × W) format, along with its volume, when available. For flip phones, the dimensions are measured with the flip closed. This information helps users understand the phone’s overall size, thickness, portability, and how comfortably it may fit in the hand or pocket. | 163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in) |
| Weight The Weight section shows the total weight of the phone, usually measured in grams (g). It helps users understand how light or heavy the device feels during everyday use and carrying. For phones with different designs or configurations, the listed weight may vary depending on the materials, battery, and other hardware components. | 196 g (6.91 oz) |
| SIM The SIM section provides details about the phone’s supported SIM configuration, including SIM type, number of SIM slots, and eSIM support, where available. It may specify options such as Nano-SIM, Single SIM, Dual SIM, or Hybrid Dual SIM. This information helps users understand how the phone handles multiple mobile numbers and which SIM format is required. For Dual SIM devices, the section may also indicate whether both SIMs can remain active simultaneously and support mobile network connectivity. |
Dual SIM (Nano-SIM, dual stand-by) IP53, dust and splash resistant |
| Colors |
Black, White, Aurora |
Display Specification
| Display Type The Display Type section identifies the technology used for the phone’s screen, such as IPS LCD, AMOLED, OLED, or LTPO AMOLED. It helps users understand the display’s overall visual quality, including color reproduction, contrast, brightness, viewing experience, and power efficiency. The display type is an important specification when comparing smartphone screens. | Super AMOLED |
| Size The Display Size section shows the diagonal size of the phone’s screen, usually measured in inches. It helps users understand the available viewing area and overall screen experience. A larger display is generally better for watching videos, gaming, and browsing, while a smaller display can offer easier handling and portability. | 6.67 inches, 107.4 cm2 |
| Resolution | 1080 x 2400 pixels, 20:9 ratio |
| Refresh Rate | 120Hz |
| 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 |
| Display Protection Display Protection => 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) 85.9% screen-to-body ratio |
Storage
| Card Slot The Storage Card Slot section indicates whether the phone supports an external memory card, such as a microSD card, for expanding storage. It shows users whether they can add extra space for apps, photos, videos, and other files beyond the phone’s built-in storage. If the phone does not support a memory card, it will be listed as Not Supported. | No |
| Internal Storage The Internal Storage section shows the built-in storage capacity available on the phone, usually measured in GB. It determines how much space is available for apps, photos, videos, documents, and other files. Phones may come with different storage options, such as 128GB, 256GB, or 512GB, depending on the model and variant. |
256GB 12GB RAM UFS 3.1 |
Main Camera
| Camera Setup | Triple |
| Resolution |
108 MP, f/1.8, 26mm (wide), 1/1.52", 0.7µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide) 5 MP, f/2.4, 50mm (macro), 1/5.0", 1.12µm |
| Features |
LED flash, HDR, panorama |
| Video | 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+ |
Selfie Camera
| Camera Setup | Single |
| Resolution |
20 MP, f/2.5, (wide), 1/3.4", 0.8µm |
| Video | 1080p@30fps, 720p@120fps |
| Features | HDR |
Platform
| Operating System The Operating System (OS) section shows the software platform that powers the phone and manages its hardware, apps, and system features. It typically includes the OS name and version, such as Android or iOS, and may also mention the manufacturer’s custom user interface. This information helps users understand the phone’s software experience, features, compatibility, and available updates. | Android 11, MIUI 12 |
| 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 SM8350 Snapdragon 888 5G (5 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 (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) |
| 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 660 |
Battery
| Battery Type The Battery Type section identifies the technology and design of the phone’s built-in battery, such as Li-Ion (Lithium-Ion) or Li-Po (Lithium-Polymer). It helps users understand the type of battery used to power the device and provides a basic overview of its battery technology. | Li-Poly (Lithium Polymer) |
| Capacity The Battery Capacity section shows the amount of electrical charge the phone’s battery can store, usually measured in mAh (milliampere-hours). A higher capacity generally provides more energy for everyday use, although actual battery life also depends on the display, processor, software, network usage, and other hardware components. | 4520 mAh |
| Removable | No |
| Charging |
33W wired, PD3.0, QC3, 100% in 52 min (advertised) |
| Wireless 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. | No |
Multimedia
| Loudspeaker The Loudspeaker section indicates the type and configuration of the phone’s built-in speakers, such as single or stereo speakers. It helps users understand the device’s audio output for calls, music, videos, gaming, and other multimedia activities. Some phones may also include additional audio features for a better listening experience. | Yes, with stereo speakers |
| Audio Jack The Audio Jack section indicates whether the phone includes a dedicated 3.5mm headphone jack for connecting wired headphones, earphones, or external audio devices. If the phone does not have a traditional audio jack, users may need USB Type-C headphones or an adapter for wired audio. The specification helps users quickly check the phone’s compatibility with their preferred audio accessories. | No |
| Audio Features |
24-bit/192kHz Hi-Res audio |
Sensors
| Fingerprint | Yes (side-mounted) |
| Other Sensors | accelerometer, gyro, proximity, compass, color spectrum, barometer |
Network & Connectivity
| Technology | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G |
| Speed | HSPA, LTE, 5G |
| Wi-fi The Wi-Fi section shows the wireless networking technologies and standards supported by the phone for connecting to the internet and other compatible devices. It may include standards such as Wi-Fi 4, Wi-Fi 5, Wi-Fi 6, Wi-Fi 6E, or Wi-Fi 7, along with features like dual-band, tri-band, Wi-Fi Direct, and hotspot support, where available. This information helps users understand the phone’s wireless connectivity, network compatibility, speed capabilities, and connection features. | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct |
| Bluetooth The Bluetooth section shows the wireless communication technology and version supported by the phone, such as Bluetooth 5.0, 5.1, 5.2, 5.3, or 5.4. It enables the phone to connect wirelessly with headphones, speakers, smartwatches, keyboards, cars, and other compatible devices. Where available, this section may also mention features such as A2DP, LE, aptX, or other Bluetooth audio and connectivity technologies. | 5.2, A2DP, LE |
| NFC The NFC (Near Field Communication) section indicates whether the phone supports short-range wireless communication between compatible devices. NFC can be used for contactless payments, quick device pairing, data sharing, access cards, and other NFC-enabled services, depending on the phone and region. This specification helps users check whether the device supports convenient tap-to-connect and contactless features. | Yes |
| Positioning |
GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) |
| FM Radio | No |
| Infrared port | Yes |
| USB | USB Type-C 2.0, OTG |
| 2G Network The 2G Network section shows whether the phone supports second-generation mobile networks, including GSM, GPRS, and EDGE technologies. It provides basic connectivity for voice calls, SMS, and limited mobile data services where 2G networks are available. |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 |
| 3G Network The 3G Network section indicates the phone’s compatibility with third-generation mobile networks, such as UMTS, HSPA, and HSPA+. 3G provides faster mobile data than 2G and supports services such as web browsing, video calling, and multimedia streaming. |
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1x |
| 4G Network The 4G Network section shows whether the phone supports fourth-generation mobile networks, primarily LTE technology. 4G offers faster mobile internet speeds, lower latency, and improved performance for browsing, streaming, online gaming, and other data-intensive activities. |
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42 |
| 5G Network The 5G Network section indicates the phone’s compatibility with fifth-generation mobile networks. 5G can provide higher data speeds, lower latency, and improved network capacity, supporting faster downloads, high-quality streaming, cloud services, and other demanding mobile applications. |
1, 3, 28, 41, 77, 78 SA/NSA/Sub6 |
PROS
- 120Hz AMOLED Display
- Snapdragon 888 Performance
- 108MP Main Camera
- 4520mAh Battery
- 33W Fast Charging
- 5G Connectivity
CONS
- No microSD Slot
- No Wireless Charging
- No 3.5mm Jack
- Plastic Frame
About the Xiaomi Redmi K40 Pro+:
The Xiaomi Redmi K40 Pro+, released on March 4, 2021, weighs 196g and has a thickness of 7.8mm. It runs on Android 11 with MIUI 12, offering 256GB of internal storage with no card slot for expansion. The 6.67-inch Super AMOLED display supports a 120Hz refresh rate, HDR10+, and a peak brightness of 1300 nits with a resolution of 1080×2400 pixels. Powered by the Snapdragon 888 5G chipset and 12GB RAM, the Redmi K40 Pro+ provides flagship-level performance. The triple-camera setup includes a 108 MP main sensor, 8 MP ultrawide, and 5 MP macro lens. The device supports 8K video recording and the 20 MP front camera is ideal for high-quality selfies. The 4520mAh battery supports 33W fast charging, reaching 100% in 52 minutes. Available in Black, White, and Aurora, the Redmi K40 Pro+ is priced at around 470 EUR.
Buying Reasons:
- Super AMOLED display with 120Hz refresh rate and HDR10+ support.
- Snapdragon 888 5G chipset for high-end performance.
- 108 MP main camera with 8K video recording.
- 4520mAh battery with 33W fast charging.
- Sleek design with Gorilla Glass 5 protection.
Opinions:
The Xiaomi Redmi K40 Pro+ is a premium flagship offering powerful performance with its Snapdragon 888 chipset and 120Hz AMOLED display. Its 108 MP camera with 8K video recording is a standout feature, making it ideal for photography and videography enthusiasts. The 4520mAh battery and 33W fast charging ensure long usage times. However, the lack of a 3.5mm headphone jack and expandable storage might be limiting for some users.
Check other Models of Xiaomi:
FAQs about Xiaomi Redmi K40 Pro Plus
Q: What is the display size and resolution of the Redmi K40 Pro Plus?
Answer: The Redmi K40 Pro Plus features a 6.67-inch Super AMOLED display with a Full HD Plus resolution of 1080 x 2400 pixels, a 20:9 aspect ratio, and a 395 ppi pixel density. It supports a 120Hz refresh rate, HDR10 Plus, and can reach a peak brightness of 1300 nits.
Q: What processor and RAM options are available?
Answer: The Redmi K40 Pro Plus is powered by the flagship Qualcomm Snapdragon 888 5G chipset, which is an octa-core processor with 5nm fabrication. It comes with a massive 12GB of LPDDR5 RAM.
Q: What are the camera specifications?
Answer: The Redmi K40 Pro Plus features a triple rear camera setup with a 108MP primary sensor, an 8MP ultra-wide-angle lens, and a 5MP macro lens. On the front, it has a 20MP selfie camera housed in a punch-hole cutout.
Q: What is the battery capacity and charging speed?
Answer: The device is equipped with a 4,520mAh battery that supports 33W wired fast charging with Qualcomm Quick Charge 3.0 and Power Delivery 3.0. Xiaomi claims it can charge the battery from 0 to 100% in just 52 minutes.
Q: What are the available color options?
Answer: The Redmi K40 Pro Plus is offered in Black, White, and Aurora (gradient) color variants.
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