Xiaomi Redmi K40

9.47

DeviceRanks

Buy Xiaomi Redmi K40, price and rating in 8 categories as: Camera quality, Battery capacity, Performance, Connectivity, Screen quality, Design, OS, Brand popularity. Comparison of the online stores and the sellers from Ali Express and eBay platforms, Redmi K40 Antutu rating and the phone compatibility with network operators in USA. You can also compare Redmi K40 also known as M2012K11AC with leading competitors in a current budget. If you want to receive additional technical information about the Xiaomi Redmi K40 or price, which is not presented on this page, contact our technical support by clicking on the "Have a question?" button.

Camera

7.82

Battery

7.05

Performance

8.41

Connectivity

7.28

Screen

9.37

Design

9.36

Brand

9.34

Memory . . . . . . . . .

6 Gb / 128 Gb

Processor . . . . . . . . .

Qualcomm - 8 Cores x 3200 MHz

Main Camera . . . . . . . . .

Sony 48 MP + 8 MP

Front Camera . . . . . . . . .

0 MP

Battery . . . . . . . . .

4520 mAh

Screen . . . . . . . . .

6.67" - 1080 x 2400

Weight . . . . . . . . .

196 g

OS . . . . . . . . . . . . .

MIUI 12.2 (Android 11)

Overall details

Brand . . . . . . . . . . . . . . . . . . . . . . . . . .

Xiaomi

Official website . . . . . . . . . . . . . . . . . . . . . . . . . .

https://www.mi.com/global/

Model . . . . . . . . . . . . . . . . . . . . . . . . . .

Redmi K40

Other Names . . . . . . . . . . . . . . . . . . . . . . . . . .

M2012K11AC

Os . . . . . . . . . . . . . . . . . . . . . . . . . .

MIUI 12.2 (Android 11)

Chipset

Model . . . . . . . . . . . . . . . . . . . . . . . . . .

Qualcomm Snapdragon 870

Summary

9.94

Processor

9.63

GPU

9.99

Cpu . . . . . . . . . . . . . . . . . . . . . . . . . .

1x 3.2 GHz Kryo 585
3x 2.4 GHz Kryo 585
4x 1.8 GHz Kryo 385, 8 Cores, 64 Bits, 3200 MHz

CPU Technology . . . . . . . . . . . . . . . . . . . . . . . . . .

7 nm

Gpu . . . . . . . . . . . . . . . . . . . . . . . . . .

Qualcomm Adreno 650,

AnTuTu . . . . . . . . . . . . . . . . . . . . . . . . . .

622000

3DMark . . . . . . . . . . . . . . . . . . . . . . . . . .

149020

Memory

Ram . . . . . . . . . . . . . . . . . . . . . . . . . .

6 gigabyte, 2750 MHz, LPDDR5, Double channel

Rom . . . . . . . . . . . . . . . . . . . . . . . . . .

128 gigabyte

Battery

Capacity . . . . . . . . . . . . . . . . . . . . . . . . . .

4520 mAh

Battery Type . . . . . . . . . . . . . . . . . . . . . . . . . .

Li-Polymer

Charging Voltage . . . . . . . . . . . . . . . . . . . . . . . . . .

5 Volt

Charging Amperage . . . . . . . . . . . . . . . . . . . . . . . . . .

6.6 Amper

Main Camera

Sensor Model . . . . . . . . . . . . . . . . . . . . . . . . . .

Sony IMX582 Exmor RS

Summary

8.31

Day light

8.99

Low light

5.81

Sensor Type . . . . . . . . . . . . . . . . . . . . . . . . . .

CMOS BSI (backside illumination)

Aperture . . . . . . . . . . . . . . . . . . . . . . . . . .

f/1.7

Flash . . . . . . . . . . . . . . . . . . . . . . . . . .

Dual LED

Image Resolution . . . . . . . . . . . . . . . . . . . . . . . . . .

48 Megapixels

Video Resolution . . . . . . . . . . . . . . . . . . . . . . . . . .

8.28 Megapixels

Video Frequency . . . . . . . . . . . . . . . . . . . . . . . . . .

30 fps

Secondary camera resolution . . . . . . . . . . . . . . . . . . . . . . . . . .

8 Megapixels

Front Camera

Video Resolution . . . . . . . . . . . . . . . . . . . . . . . . . .

2.06 Megapixels

Video Frequency . . . . . . . . . . . . . . . . . . . . . . . . . .

30 fps

Features

Autofocus

Continuous shooting

Digital zoom

Digital image stabilization

Optical image stabilization

Geotagging

Panorama

HDR

Touch focus

Face detection

White balance settings

ISO settings

Exposure compensation

Self-timer

Scene mode

Phase detection autofocus (PDAF)

Pixel size - 1.6 μm (4-in-1 pixel binning)

1080p @ 960 fps

Secondary rear camera - 8 MP (ultra-wide angle)

Aperture size - f/2.4 (#2)

Amgle of view - 119° (#2)

Third rear camera - 5 MP (macro)

Sensor size - 1/5 (#4)

Pixel size - 1.12 μm (#4)

Aperture size - f/2.4 (#4)

Focal length equivalent - 50 mm (#4)

4 cm shooting distance (#4)

Autofocus (#4)

Sensor Sony IMX582 Exmor RS sample photos

‹ › ×

Display

Display Type . . . . . . . . . . . . . . . . . . . . . . . . . .

E4 AMOLED

Display Size . . . . . . . . . . . . . . . . . . . . . . . . . .

6.67 Inch

Display Resolution . . . . . . . . . . . . . . . . . . . . . . . . . .

1080 x 2400 Pixels

Display Density . . . . . . . . . . . . . . . . . . . . . . . . . .

395 PPI

Display Features . . . . . . . . . . . . . . . . . . . . . . . . . .

Capacitive, Multi-touch, Scratch resistant, 3D curved glass screen, Corning Gorilla Glass 5, 120 Hz refresh rate, 360 Hz touch sampling rate, HDR10+, 1300 cd/m² peak brightness, 5000000:1, MEMC, Sunscreen 3.0, Night Light Screen, Display manufacturer - Samsung

Design

Size . . . . . . . . . . . . . . . . . . . . . . . . . .

76.4 mm x 163.69 mm x 7.8 mm

Weight . . . . . . . . . . . . . . . . . . . . . . . . . .

196 gram

Colors . . . . . . . . . . . . . . . . . . . . . . . . . .

Icy White, Glossy Black, Dreamland

Materials . . . . . . . . . . . . . . . . . . . . . . . . . .

Glass, Metal

Display Area . . . . . . . . . . . . . . . . . . . . . . . . . .

86.16%

Speaker

Speaker . . . . . . . . . . . . . . . . . . . . . . . . . .

Loudspeaker
Earpiece
Stereo speakers
Dolby Atnation
Hi-Res Audio
Hi-Res Audio Wireless

Sensors

Functionality . . . . . . . . . . . . . . . . . . . . . . . . . .

Light, Accelerometer, Compass, Gyroscope, Pedometer, Geomagnetic, Fingerprint, Gravity, Color temperature sensor, Ultrasonic distance sensor, Side-mounted fingerprint sensor, X-axis linear motor

Navigation . . . . . . . . . . . . . . . . . . . . . . . . . .

GPS, A-GPS, BeiDou, Glonass, Galileo, NavIC

Communication

Sim Card Number . . . . . . . . . . . . . . . . . . . . . . . . . .

2 Sim cards

Sim Card Type . . . . . . . . . . . . . . . . . . . . . . . . . .

Nano-SIM (4FF - fourth form factor
since 2012
12.30 x 8.80 x 0.67 mm)
Nano-SIM / microSD

2G . . . . . . . . . . . . . . . . . . . . . . . . . .

GSM 850 MHz (B5), GSM 900 MHz (B8), GSM 1800 MHz (B3), GSM 1900 MHz (B2)

Sim Card Features . . . . . . . . . . . . . . . . . . . . . . . . . .

Dual SIM stand-by (Both cards are active. When one is busy, the other is not active)

3G . . . . . . . . . . . . . . . . . . . . . . . . . .

W-CDMA 850 MHz (B5), W-CDMA 850 MHz (B6), W-CDMA 900 MHz (B8), W-CDMA 900 MHz (B19), W-CDMA 1700 MHz (B4), W-CDMA 1900 MHz (B2), W-CDMA 2100 MHz (B1)

4G . . . . . . . . . . . . . . . . . . . . . . . . . .

LTE-FDD 700 MHz (B28), LTE-FDD 850 MHz (B5), LTE-FDD 850 MHz (B18), LTE-FDD 850 MHz (B19), LTE-FDD 850 MHz (B26), LTE-FDD 900 MHz (B8), LTE-FDD 1700 MHz (B4), LTE-FDD 1800 MHz (B3), LTE-FDD 1900 MHz (B2), LTE-FDD 2100 MHz (B1), LTE-FDD 2600 MHz (B7), LTE-TDD 1900 MHz (B39), LTE-TDD 2000 MHz (B34), LTE-TDD 2300 MHz (B40), LTE-TDD 2500 MHz (B41), LTE-TDD 2600 MHz (B38)

Data Transfer . . . . . . . . . . . . . . . . . . . . . . . . . .

Computer sync, Infrared, Tethering, NFC, VoLTE

Mobile operators - United States

2G3G4G

8 | 9

2G3G4G

2 | 2

2G3G4G

8 | 9

2G3G4G

2 | 2

2G3G4G

6 | 8

2G3G4G

8 | 9

2G3G4G

5 | 9

2G3G4G

2 | 2

2G3G4G

5 | 9

2G3G4G

4 | 6

2G3G4G

3 | 4

2G3G4G

3 | 4

2G3G4G

5 | 9

2G3G4G

5 | 9

2G3G4G

9 | 11

2G3G4G

4 | 7

2G3G4G

3 | 4

2G3G4G

3 | 4

2G3G4G

3 | 4

Connection

USB Type . . . . . . . . . . . . . . . . . . . . . . . . . .

USB Type-C, Version: 2.0

USB Futures . . . . . . . . . . . . . . . . . . . . . . . . . .

Charging, Host, Mass storage, On-The-Go

Bluetooth Version . . . . . . . . . . . . . . . . . . . . . . . . . .

5.1

Bluetooth Features . . . . . . . . . . . . . . . . . . . . . . . . . .

A2DP (Advanced Audio Distribution Profile), LE (Low Energy)

Wi Fi . . . . . . . . . . . . . . . . . . . . . . . . . .

802.11a (IEEE 802.11a-1999), 802.11b (IEEE 802.11b-1999), 802.11g (IEEE 802.11g-2003), 802.11n (IEEE 802.11n-2009), 802.11n 5GHz, 802.11ac (IEEE 802.11ac), Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, 802.11ax