Price and specifications
Xiaomi Redmi K40 6GB · 128GB smartphone

Screen size 6.67 "
RAM 6 GB
Storage space 128 GB
Primary camera resolution 48 Mpx
Selfie camera resolution 20 Mpx
Battery capacity 4 520 mAh
Antutu score 722 864

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Smartphones Xiaomi Redmi K40

Release DateFebruary 2021
Availability On sale
Brand Xiaomi
Model Redmi K40

Design & Screen

Color Black, White, Blue
Body materials Plastic
Glass
Splash resistant design
Size 76.4 x 163.7 x 7.8 mm (millimeters)
3.01 x 6.44 x 0.31 " (inches)
Weight 196 g (grams)
6.91 oz (ounces)

Screen

Screen size 6.67 " (inches)
169.4 mm (millimeters)
Display area 85 %
Resolution 1080x2400 px
Pixel density 2x eXtra High density
386 ppi (pixels per inch)
151 ppcm (pixels per centimetre)
Features Refresh rate 120 Hz
Hole-punch Notch
Peak brightness - 1300 cd/m²
Touch sampling rate 360 Hz
5000000:1 contrast ratio
Max brightness HBM - 900 cd/m²
DCI-P3
HDR10+
MEMC
True Tone display
2.5D curved glass screen
Scratch resistant
Capacitive
Corning Gorilla Glass 5
Frameless
Multi-touch

Camera

Main camera

Primary camera resolution 48 Mpx (4 648 x 10 327)
Flash type Dual LED
More smartphones with Dual LED flash type
Sensor Sony IMX582 Exmor RS
More smartphones with Sony IMX582 Exmor RS camera sensor
Sensor type CMOS
Aperture f/1.79
Slow motion video 960 fps (frames per second)
Features Digital zoom
4K Video
Digital image stabilization
Triple camera
Manual focus
Touch focus
HDR
Autofocus
White balance settings
Continuous shooting
Exposure compensation
ISO settings
Self-timer
Scene mode
Geotagging
Panorama
Face Detection

Front camera

Selfie camera resolution 20 Mpx (3 000 x 6 667)
Aperture f/0

Others features

Triple main camera Yes

Device Hardware

Processing unit

Processor family Qualcomm
SoC (Model) Qualcomm Snapdragon 870
More smartphones with Qualcomm Snapdragon 870 processor
64 Bits Yes
CPU 1x Cortex•A77 3.20GHz combined with 3x Cortex•A77 2.4GHz combined with 4xCortex•A55 1.8GHz
CPU type UFS Storage 3.1
Frequency 3.2 GHz (gigahertz)
3200 MHz (megahertz)
Antutu score 722864
Antutu version 9

Graphics & Memory

GPU Qualcomm Adreno 650
RAM 6 GB (gigabytes)
More smartphones with 6 GB RAM

Storage

Storage space 128 GB (gigabytes)
ca. equivalent to
23273 Songs
51200 Photos
427 Movies

More smartphones with 128 GB internal storage
SD card slot No

Sensors

Fingerprint Yes
Fingerprint place On the side
Barometer No
Compass Yes
Gyroscope Yes
Hall No
Light Yes
Proximity sensing Yes

Software

Operating system Android 12

Battery

Battery capacity 4520 mAh
Type Li-Ion
Removable battery No

Connectivity

Mobile networks

4G 1900, 2100, 1700/2100 AWS 1, 1800, 2600, 850, 800, 900, 700, 2500, 2300, 3500
3G 1900, 2100, 850, 1700/2100 AWS A-F, 900, 800
2G 1900, 800, 850, 1800, 900

SIM card

SIM card form Nano SIM + Nano SIM

Wi-Fi

IEEE Standards 802.11a
802.11n
802.11g
802.11b
802.11ac
Wi-Fi features Dual band
WiFi Hotspot
WiFi Direct
WiFi Display
WiFi MiMO

Bluetooth

Bluetooth version 5.1 LE
Bluetooth features

Navigation

Navigation supports GPS

USB

USB Battery Charging Yes
USB OTG Yes
USB Type C Yes

Others features

3.5 mm jack No
NFC No
Infrared No

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