XiaomiPhone

Available · Released 4 Mar 2021

Xiaomi Redmi K40

GSM / CDMA / HSPA / CDMA2000 / LTE / 5G

Xiaomi Redmi K40

At a Glance — Key Specifications

Display6.67″OLED · 120 HzChipsetQualcomm SM8250-AC Snapdragon 870 5G (7 nm)Adreno 650Memory & Storage8 GB · 256 GBNoneBattery & Power4,520 mAh33W wiredMain Camera48 MPWide · Ultrawide · MacroBody & Weight196 g163.7 × 76.4 × 7.8 mm
Overview: Xiaomi Redmi K40 specifications and highlights: 6.67 inches, 107.4 cm 2 (~85.9% screen-to-body ratio), Super AMOLED, 120Hz, HDR10+, 1300 nits (peak) display, Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) chipset, 128GB – 256GB memory, 4520 mAh, 33W wired, PD3.0, QC3, 100% in 52 min battery.

Tech Mansion Scores

6.5/10 overall

  • Performance5.2
  • Camera6.5
  • Display7.4
  • Battery6.9
  • Software6.0
  • Audio6.8
  • Call Quality7.8

Scored from this device's verified specifications — categories with no real data are never scored.

Full Specifications

Every detail Tech Mansion has verified for this device, grouped the way people actually read them.

Launch

Launch status
Available
Release date
4 Mar 2021

Platform

OS
Android
OS version
Android 11, MIUI 12
Chipset
Snapdragon 870
Chipset (as published)
Qualcomm SM8250-AC Snapdragon 870 5G (7 nm)
CPU
Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
GPU
Adreno 650

Memory

Memory variants (RAM/storage)
6 GB RAM + 128 GB · 8 GB RAM + 128 GB · 8 GB RAM + 256 GB · 12 GB RAM + 256 GB
Card slot
None

Display

Display size
6.67″
Resolution
1,080 × 2,400 pixels
Panel type
OLED
Refresh rate
120 Hz
Brightness (peak)
1,300 nits
Display protection
Corning Gorilla Glass 5

Battery

Battery capacity
4,520 mAh
Wired charging
33W

Body & build

Dimensions
163.7 × 76.4 × 7.8 mm
Weight
196 g
Colours
Black, White, Aurora
SIM
Nano-SIM + Nano-SIM

Connectivity

Bluetooth
Bluetooth 5.1
NFC
Yes
USB
USB Type-C 2.0, OTG
Positioning
GPS, GLONASS, GALILEO, BDS, QZSS, NavIC

Audio

Loudspeaker
Stereo
3.5mm jack
No

Features

Sensors
Accelerometer, Gyroscope, Proximity, Compass
Fingerprint
Side-mounted

Network

Network technologies
2G, 3G, 4G, 5G

Camera

Rear cameras
48 MP wide (f/1.8) · 8 MP ultrawide (f/2.2) · 5 MP macro (f/2.4)
Front cameras
20 MP wide (f/2.5)
Video (max)
4K@30fps

Additional specifications

Network
Bands 2g
GSM 850 / 900 / 1800 / 1900
Bands 3g
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Bands 4g
1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42
Bands 5g
1, 3, 28, 41, 77, 78 SA/NSA/Sub6
Speed
HSPA, LTE, 5G
Display
Size
6.67 inches
Memory
Internal Gb Primary
128
Ram Gb
6
Main Camera
Features
Color spectrum sensor, LED flash, HDR, panorama
Video
4K@30fps, 1080p@30/60/120/240/960fps, gyro-EIS
Triple Mp
48
Selfie Camera
Single
20 MP, f/2.5, (wide), 1/3.4", 0.8µm
Features
HDR
Video
1080p@30fps, 720p@120fps
Comms
Infrared
Yes
Radio
No
Battery
Capacity Mah
4520
Misc
Models
M2012K11AC
Price
About 280 EUR

Summary

Get a plain-English overview of what this device offers, generated from its specifications.

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