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Xiaomi

Xiaomi Redmi K40 Pro Plus (2021)

Android OS v11.0
Qualcomm Snapdragon 888
Adreno 660
12 GB / 256 GB
6.67 inch (1080 x 2400 px)
64 + 8 + 5 MP, 9280 x 6920 px, autofocus, optical image stabilization

The manufacturer offers this phone with a 6.67 inch AMOLED display, a Qualcomm Snapdragon 888 SoC, and 12 GB of RAM.

But wait, here's a surprising fact about this phone!

Table of Contents

This article shares our personal experiences and thoughts about using the Xiaomi Redmi K40 Pro Plus smartphone. We hope to offer helpful insights to others interested in this device.

Xiaomi Redmi K40 Pro Plus / 1

Xiaomi Redmi K40 Pro Plus specifications

BrandXiaomi
NameRedmi K40 Pro Plus
ModelK40PROPLUS
Release date2021

Weight, dimensions, colors

Weight6.91 oz
Dimensions6.44 x 3.01 x 0.31 inch
Colorsblack, dream, white
SIM typeNano SIM

The weight of Xiaomi Redmi K40 Pro Plus is about 6.91 oz with battery. This is average for smartphones of the same size. Smartphones use a Nano SIM as a small chipcard for a subscriber identity module (SIM).

Xiaomi Redmi K40 Pro Plus / 1

System, chipset, performance

OS versionAndroid OS v11.0
SoCQualcomm Snapdragon 888
CPUOcta-core, Single-core 2.84 GHz Kryo 680, Triple-core 2.4 GHz Kryo 680, Quad-core 1.8 GHz Kryo 680
GPUAdreno 660

The Xiaomi Redmi K40 Pro Plus comes with Android OS v11.0 out of the box. Android is a mobile operating system. Google built it using a modified version of the Linux kernel. They also used other open-source software. It's a powerful Qualcomm Snapdragon 888 octa-core processor. It can handle complex tasks and run many applications. Qualcomm's Snapdragon processors work with Adreno GPUs. The processors are designed for the GPUs.

Xiaomi Redmi K40 Pro Plus / 2

Display type, size, resolution

Display typeAMOLED
Screen size6.67 inch
Resolution1080 x 2400 px
Multitouch supportyes

The 6.67 inch phone comes with AMOLED display. Smartphones use the AMOLED, which is a type of OLED display. The 6.67 inch display should be big enough for our needs. It will make viewing comfortable. This is true whether we're reading, browsing, or watching. The size of the screen is measured diagonally, from corner to corner.

Xiaomi Redmi K40 Pro Plus / 3

Memory, storage

RAM12 GB
Internal storage256 GB
Memory card slotmicroSD

The 12 GB of RAM on the Xiaomi Redmi K40 Pro Plus should be more than enough to handle their daily needs without any major issues. More RAM lets us keep more apps and processes open in the background. This keeps the device from slowing down. The Redmi K40 Pro Plus has 256 GB of internal storage, which is more than enough for their needs. We can expand the internal storage (256 GB) with a compatible microSD card.

Cameras, flash

Main camera64 + 8 + 5 MP, 9280 x 6920 px, autofocus, optical image stabilization
FlashDual LED
Selfie camera20 MP

Using multiple cameras has advantages. They provide more versatility and creative possibilities. They let us capture a wider range of subjects. The main camera of Redmi K40 Pro Plus has optical image stabilization (OIS). It counters camera shake.

Connectivity, network, wireless

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

The designers of the 5G network aim to increase speed. They also want to reduce delay and improve flexibility of wireless services. This phone like all modern smartphones, is capable of connecting to Wi-Fi networks. The Redmi K40 Pro Plus smartphone is capable of connecting to Bluetooth devices. This phone has a built-in GPS. The Redmi K40 Pro Plus comes with NFC (Near Field Communication) functionality. The Redmi K40 Pro Plus smartphone does not have 3.5 mm headphone jack.

Battery type, capacity, charger

TypeLi-Po 4520 mAh, non-removable

The Li-Po 4520 mAh, non-removable battery gives the smartphone a good battery backup. The lithium polymer (Li-Po) battery is a light-weight, rechargeable battery. The battery of Redmi K40 Pro Plus isn't removable without voiding the warranty.

Features, sensors, specials

Sensorsaccelerometer, color temperature sensor, compass, fingerprint, geomagnetic, gravity, gyroscope, light, pedometer, ultrasonic distance sensor, x-axis linear motor
SpecialsCorning Gorilla Glass 5, Dual SIM, Fast charging, Hi-Res Audio, MIUI

Today, smartphones come with many sensors. They help make the user experience better. The accelerometer is a sensor. It measures the tilting motion and orientation of the phone. The Redmi K40 Pro Plus phone has a fingerprint scanner. The light sensor detects the level of light in the environment. Dual SIM is great for businesses. They want to give staff a device with separate numbers and bills for personal and business use.

The fast charging technology comes in handy when we need quick juice on our device. Corning Gorilla Glass is tougher. It resists scratches, impacts, and drops.

Verdict, pros and cons

Every phone has its strengths and weaknesses, and this Xiaomi phone is no exception. As with any device, there are aspects that shine and others that fall short. By examining both sides, we can paint a complete picture of what this phone has to offer. Let's explore its standout features and areas for improvement. Remember, this is just my opinion, and yours might be different.

Pros

  • AMOLED display
  • appropriate screen size
  • generous memory
  • generous internal storage
  • microSD slot
  • multicamera setup
  • optical image stabilization (OIS)
  • 5G support
  • Dual SIM support
  • Corning Gorilla Glass shield

Cons

  • no headphone jack
Add Xiaomi Redmi K40 Pro Plus to your comparison

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Updated: May 11, 2024

Lucas Bradley I'm Lucas Bradley, the founder of the Phone42.com site. I love technology, especially smartphones, and I've been working with tech stuff for more than 20 years. This means I've seen a lot of changes and have learned a bunch about what makes a good phone. On Phone42.com, I look at all kinds of phones. They can be from big, well-known companies or new ones trying to make their mark. I want to help people understand what's new and cool in the world of smartphones, in a way that's easy to get.
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