';
Design
Features

Redmi K40
Technical specifications

Key features
  • Display features icon 6.67" AMOLED  1080 x 2400 px
    Aspect ratio: 20:9
  • Phone’s dimensions and size icon 163.70 x 76.40 x 7.80 mm  196.00 g
  • Basic cameras data icon 48 Mpx  Front: 20 Mpx
  • Battery data icon Li-Po 4520 mAh 
  • RAM memory icon 6 GB, 8 GB, 12 GB 
  • Internal memory icon 128 GB, 256 GB 
  • Processor model icon Qualcomm Snapdragon 870 SM8250 
  • Announcement date – calendar icon 1Q 2021 
Brand Redmi
RedmiSmartphones
Model name K40
Other names M2012K11AC, Xiaomi Redmi K40
Announced 1Q 2021
Type Touch
Dimensions 163.70 x 76.40 x 7.80 mm
Weight 196.00 g Buy caseicon_info
Colour No data
Display Color / AMOLED
16,7M colors, 120 Hz
1080 x 2400 px (6.67") 395 ppi
∼85.9% screen-to-body ratio
Display protection Corning Gorilla Glass 5 Buy screen protectoricon_info
Talk time (max.) No data
Stand-by (max.) No data
Standard battery Li-Po 4520 mAh Buy powerbankicon_info
Quick battery charging Quick Charge 3.0
Charger included in the package No data icon_info
Wireless battery charging No
Internal memory 128 GB, 256 GB
RAM memory 6 GB, 8 GB, 12 GB
Memory cards No
Operating system Android 11
Interface MIUI 12
Processor
Qualcomm Snapdragon 870 SM8250
Processor clock: 3.20 GHz
Number of cores: 8
GPU: Adreno 650
Standards GSM, UMTS, LTE, 5G
read more
Touchscreen Yes
DualSIM Yes
SIM card(s) nanoSIM, nanoSIM
DualSIM mode dual standby
Hybrid DualSIM No
ADDITIONAL INFORMATION

ADDITIONAL INFORMATION

  • LPDDR5; UFS 3.1. 33W charger.

PICTURES FROM THIS PHONE

PICTURES FROM THIS PHONE

  • No photos added yet. Click here to add a photo.
CAMERAS - BACK

CAMERAS - BACK

First camera
  • Camera type
    Standard
  • Photo sensor model
    Sony IMX582
  • Photo matrix
    48 Mpx
  • Sensor size
    1/2
  • Pixel size
    0,8 µm
  • Resolution
    8000x6000 px
  • Digital zoom
    Yes
  • Flash
    Yes LED
  • Video resolution
    2840x2160
  • Video formats
    H.264, H.265, MPEG4 - 30 fps
  • Additional
    AF, EIS, f/1.79
Second camera
  • Camera type
    Wide-angle
  • Photo sensor model
    Sony IMX355
  • Photo matrix
    8 Mpx
  • Digital zoom
    Yes
  • Field of view
    119 °
  • Flash
    Yes LED
  • Additional
    FF
Third camera
  • Camera type
    Macro
  • Photo sensor model
    Samsung S5K5E9
  • Photo matrix
    5 Mpx
  • Sensor size
    1/5
  • Pixel size
    1,12 µm
  • Resolution
    2592x1944 px
  • Digital zoom
    Yes
  • Focal length
    50 mm
  • Flash
    Yes LED
  • Additional
    EIS
CAMERAS - FRONT

CAMERAS - FRONT

First camera
  • Camera type
    Portrait
  • Photo sensor model
    Samsung S5K3T2
  • Photo matrix
    20 Mpx
  • Sensor size
    1/3,4
  • Pixel size
    0,8 µm
  • Resolution
    5184x3880 px
  • Digital zoom
    Yes
  • Flash
    No
  • Video resolution
    1920x1080
  • Video formats
    H.264, H.265, MPEG4 - 30 fps
  • Additional
    FF
SENSORS

SENSORS

  • Accelerometer
    Yes
  • Proximity
    Yes
  • Light
    Yes
  • Magnetometer
    Yes
  • Gyroscope
    Yes
  • Barometer
    No data
  • Altimeter
    No
  • Gravity
    Yes
  • Hall-effect
    Yes
  • Iris scanner
    No
  • Fingerprint scanner
    Yes
  • Thermometer
    No
  • Hygrometer
    No
DATA TRANSFER

DATA TRANSFER

  • HSDPA
    42.20 Mbit/s
  • HSUPA
    5.76 Mbit/s
  • HSPA
    Yes
  • HSPA+
    Yes
  • LTE DL
    1174.00 Mbit/s
  • LTE UP
    210.00 Mbit/s
  • GPRS
    Yes
  • EDGE
    Yes class 8
  • Bluetooth
    Yes v5.1
  • A2DP Profile
    Yes
  • WiFi
    Yes v802.11 a/b/g/n/ac/ax
    read more
  • Miracast
    Yes
  • DLNA
    No
  • Infrared
    Yes
  • USB
    Yes v3.0 OTG
           Type-C
    Buy adaptericon_info
  • GPS module
    Yes
  • A-GPS
    Yes
  • GLONASS support
    Yes
  • Beidou
    Yes
  • Galileo
    Yes
  • QZSS support
    Yes
  • NFC
    Yes
COMMUNICATION AND MESSAGING

COMMUNICATION AND MESSAGING

  • Call waiting
    Yes
  • Conferency
    Yes
  • Call forwarding
    Yes
  • Push To Talk
    No
  • Instant Messenger
    Yes
  • SMS
    Yes
  • SMS Memory
    No data
  • MMS
    Yes
  • Dictionary
    Yes T9
  • e-mail client
    Yes
  • e-mail protocols
    POP3, IMAP4, SMTP
  • RSS Reader
    Yes
MULTIMEDIA

MULTIMEDIA

  • Radio
    No
  • MP3
    Yes
  • Stereo speakers
    2 speakers
  • Audio Jack
  • HD Voice
    Yes
  • Sound formats
    AAC, AAC+, AMR, APE, AWB, DSF, FLAC, M4A, MID, OGG, WAV, WMA, eAAC+
  • Java
    Yes ART
  • Videophone
    No
PIM AND ADDITIONAL FUNCTIONS

PIM AND ADDITIONAL FUNCTIONS

  • Watch
    Yes
  • Stopwatch
    Yes
  • Alarm
    Yes
  • Calculator
    Yes
  • Organizer
    Yes
  • Calendar
    Yes
  • Flight mode
    Yes
  • Data and fax
    Yes
  • Voice dial
    Yes
  • Speakerphone
    Yes
  • Recorder
    Yes
  • Vibrations
    Yes

Your rating

6,20
icon_info
General
6,20
Design
6,38
Features
6,02
Ratings: 22 |  Visits: 60029 |  Popularity: 0,01%
Ratings: 22 |  Visits: 60029 |  Popularity: 0,01%
A D V E R T I S E M E N T
Popularity chart of Redmi K40
Popularity chart of
Redmi K40
We do our best to present the proper and current information on this page. However, in case of finding any error in the data above please

FAQ - FREQUENTLY ASKED QUESTIONS

Redmi K40 doesn’t have the option for inductive charging. It is only possible to charge using a traditional charger. Phones with inductive charging can be found using our advanced search.
Unfortunately, Redmi K40 has been designed without a jack socket. To use wired headphones, you need to get an appropriate adapter. Alternatively, you can use Bluetooth headphones. Phones with a jack socket can be found in our advanced search.

 Sorry, there are no opinions yet.

 Add your opinion!


Recently viewed