Xiaomi Redmi K40: specs, price and NeoScore 12 GB / 256 GB / china
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Redmi K40 Redmi K40 Redmi K40 Redmi K40 Redmi K40 Redmi K40 Redmi K40 Redmi K40 Redmi K40 Redmi K40 Redmi K40 Redmi K40 1/12
  • Black
  • White
  • Blue
  • Aurora
  • Multicolor
  • 5 colours
Xiaomi

Redmi K40

6.3 NeoScore #4664 of 10628

12 GB / 256 GB / china · Launched March 2021

Overview

NeoScore

6.3

#4664 of 10628

Design & display
7.4
Performance & hardware
7.1
Camera
5.4
Connectivity
6.9
Battery & charging
4.9

Strengths

  • —

Weak points

  • Battery & charging4.9
  • Camera5.4
Display
6.67 inSuper AMOLED1,080 × 2,400 px120 Hz
Design
196 g76.4 mm163.7 mm7.8 mm
Performance
Qualcomm Snapdragon 870Octa-Core12 GB RAM128 GB / 256 GB
AnTuTu
802,870Better than 82% of phones
Battery
4,520 mAh33 W
Cameras
48 Mpx · f/1.88 Mpx · f/2.25 Mpx · f/2.4selfie 20 Mpx · f/2.5
Network
5G4G3G2G
Software
Android 11

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Technical specifications

Performance

Processor Model
Qualcomm Snapdragon 870
Processor Process Size
7 nm
Graphics GPU
Qualcomm Adreno 650
Storage Type
UFS 3.1
Maximum CPU Clock
3.2 GHz
Maximum Storage Capacity
256 GB
AnTuTu Score
802,870
Geekbench 6 Single-Core
1,187
Geekbench 6 Multi-Core
3,068
CPU Description
Octa-core processor with 1x3.2 GHz, 3x2.42 GHz, and 4x1.80 GHz cores
Processor Type
Octa-Core
64-Bit Processor
Yes
RAM Capacity
12 GB
RAM Type
LPDDR5
Expandable Storage
No
AnTuTu version
v10

Battery

Battery Capacity
4,520 mAh
Battery Type
Li-Polymer
Fast Charge Power
33 W
Battery Features
Non-Removable, Rechargeable, Fast Charging, Battery Level Indicator

Design

Body Colors
Black, White, Blue, Aurora, Multicolor
Body Thickness
7.8 mm
Body Width
76.4 mm
Body Height
163.7 mm
Weight
196 g
Usable Surface
85.9 %
Body Materials
Plastic, Glass, Splash Resistant
Resistance Features
IP53, Water Resistant
Foldable
No

Display

Display Aspect Ratio
20:9
Peak Display Brightness
1,300 nits
Display Technology
Super AMOLED
Display Diagonal
6.67 in
Display Horizontal Resolution
1,080 px
Display Vertical Resolution
2,400 px
Display Pixel Density
395 ppi
Display Refresh Rate
120 Hz
Touch Sampling Rate
360 Hz
Display Contrast Ratio
5,000,000 :1
Display Features
Gorilla Glass 5, HDR10+, Hole-Punch Notch, DCI-P3, Capacitive Touch, Multi-Touch, Frameless, Scratch Resistant, Always-On Display
Integrated Projector
No

Sensors

Fingerprint Sensor Placement
Side

Sensor

Sensor Features
Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Light Sensor, Cooling System, Virtual Proximity Sensing

Software

Operating System
Android 11
OS Family
Android
OS Version
11
Direct OS Updates
No
Google Services
No

Connectivity

SIM Configurations
Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM
Cellular Bands
2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 2G CDMA BC0, 2G CDMA B2, 2G CDMA B3, 2G CDMA B5, 2G CDMA B8, 3G UMTS B1, 3G UMTS B2, 3G UMTS B3, 3G UMTS B4, 3G UMTS B5, 3G UMTS B6, 3G UMTS B8, 3G UMTS B19, 3G UMTS 1700 AWS, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B18, 4G LTE B19, 4G LTE B26, LTE B28, 4G LTE B28A, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B42, 5G NR n1, 5G NR n3, 5G NR n28a, 5G NR n41, 5G NR n77, 5G NR n78, 5G NR n79
Cellular Technologies
GSM, CDMA, HSPA, UMTS, CDMA2000, LTE, 5G
Wi-Fi Standards
Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
Wi-Fi Features
Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, MIMO
Bluetooth Version
Bluetooth 5.1
Bluetooth Profiles
A2DP, LE
Navigation Systems
GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC
Connectivity Features
Infrared, NFC, USB Type-C, USB OTG, Computer Sync, OTA Sync, Tethering, VoLTE, USB Charging, USB Mass Storage
USB Version
USB 2.0

Audio

Microphone Count
2
Audio Features
Stereo Speakers, Hi-Res Audio, A2DP, LE, Dolby Atmos

Technical

Launch price
280 €

Automated technical index

NeoScore

NeoScore is an automated technical index based on verified specifications. It does not represent hands-on testing unless NeoTeo publishes a separate review.

6.25 /10

Selected variant

12 GB / 256 GB / china

Design & display

7.4

Display Technology Super AMOLED
8.7
Display Refresh Rate 120 Hz
9.0
Display Pixel Density 395 ppi
8.3
Peak Display Brightness 1,300 nits
8.8
Display Features Gorilla Glass 5, HDR10+, Hole-Punch Notch, DCI-P3, Capacitive Touch, Multi-Touch, Frameless, Scratch Resistant, Always-On Display
5.5
Weight 196 g
6.4
Resistance Features IP53, Water Resistant
2.0
Usable Surface 85.9 %
8.3
Body Thickness 7.8 mm
8.4

Performance & hardware

7.1

AnTuTu Score 802,870
4.0
RAM Capacity 12 GB
9.0
Storage Type UFS 3.1
7.5
Processor Process Size 7 nm
6.0
Maximum Storage Capacity 256 GB
7.5
Maximum CPU Clock 3.2 GHz
8.6
RAM Type LPDDR5
8.0
Processor Type Octa-Core
9.0

Camera

5.4

Resolution 48 Mpx
8.0
Aperture f/1.8
8.0
Pixel Size 0.6 µm
2.0
Optical Image Stabilization No
2.0
Camera Features Color Spectrum Sensor, LED Flash, HDR, Panorama, 4K Video, Digital Zoom, Triple Camera, Digital Image Stabilization, Autofocus, Touch Focus, Manual Focus, Continuous Shooting, Geotagging, Face Detection, White Balance Settings, ISO Settings, Exposure Compensation, Scene Mode, Self-Timer, Burst Mode, Continuous Autofocus, Laser Autofocus, Manual Exposure, Manual ISO, Manual White Balance, Time-Lapse, Phase-Detection Autofocus, Macro Camera
0.0

Connectivity

6.9

Connectivity Features Infrared, NFC, USB Type-C, USB OTG, Computer Sync, OTA Sync, Tethering, VoLTE, USB Charging, USB Mass Storage
3.0
Cellular Bands 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 2G CDMA BC0, 2G CDMA B2, 2G CDMA B3, 2G CDMA B5, 2G CDMA B8, 3G UMTS B1, 3G UMTS B2, 3G UMTS B3, 3G UMTS B4, 3G UMTS B5, 3G UMTS B6, 3G UMTS B8, 3G UMTS B19, 3G UMTS 1700 AWS, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B18, 4G LTE B19, 4G LTE B26, LTE B28, 4G LTE B28A, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B42, 5G NR n1, 5G NR n3, 5G NR n28a, 5G NR n41, 5G NR n77, 5G NR n78, 5G NR n79
10.0
Wi-Fi Standards Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
7.5
Bluetooth Version Bluetooth 5.1
6.0
Navigation Systems GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC
10.0
SIM Configurations Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM
7.0

Battery & charging

4.9

Battery Capacity 4,520 mAh
7.0
Fast Charge Power 33 W
5.8
Battery Features Non-Removable, Rechargeable, Fast Charging, Battery Level Indicator
0.0

Tap a point on the chart to see what makes it up.

Design & display
7.43
Performance & hardware
7.08
Camera
5.4
Connectivity
6.85
Battery & charging
4.89
NeoScore rank
#4664 / 10628

Redmi K40

Camera system

Every physical camera module is shown separately, with its sensor, lens and capture capabilities.

1

Redmi K40 rear main camera

Sensor Model
Sony IMX582 Exmor RS
Resolution
48 Mpx
Sensor Type
CMOS
Sensor Size
0.338 ″ type
Pixel Size
0.6 µm
Pixel Binning
4 :1
Sensor
Sensor Model
Sony IMX582 Exmor RS
Resolution
48 Mpx
Sensor Type
CMOS
Sensor Size
0.338 ″ type
Pixel Size
0.6 µm
Pixel Binning
4 :1
Video
Video Recording
4K at 30 fps, 1080p at 30 fps, 1080p at 60 fps, 1080p at 120 fps, 1080p at 240 fps, 1080p at 960 fps, Gyro-EIS
Slow Motion Video
Yes
Slow Motion Frame Rate
960 fps
Lens
Aperture
f/1.8
Optical Image Stabilization
No
Flash
Flash Type
Dual LED
Flash LED Count
2 LEDs
Features
Camera Features
Color Spectrum Sensor, LED Flash, HDR, Panorama, 4K Video, Digital Zoom, Triple Camera, Digital Image Stabilization, Autofocus, Touch Focus, Manual Focus, Continuous Shooting, Geotagging, Face Detection, White Balance Settings, ISO Settings, Exposure Compensation, Scene Mode, Self-Timer, Burst Mode, Continuous Autofocus, Laser Autofocus, Manual Exposure, Manual ISO, Manual White Balance, Time-Lapse, Phase-Detection Autofocus, Macro Camera
2

Redmi K40 rear ultrawide camera

Sensor Model
Sony IMX355
Resolution
8 Mpx
Sensor Type
CMOS BSI
Sensor Size
0.357 ″ type
Pixel Size
1.14 µm
Aperture
f/2.2
Sensor
Sensor Model
Sony IMX355
Resolution
8 Mpx
Sensor Type
CMOS BSI
Sensor Size
0.357 ″ type
Pixel Size
1.14 µm
Lens
Aperture
f/2.2
3

Redmi K40 rear macro camera

Sensor Model
Samsung S5K5E9
Resolution
5 Mpx
Sensor Type
ISOCELL
Sensor Size
0.2 ″ type
Pixel Size
1.12 µm
Aperture
f/2.4
Sensor
Sensor Model
Samsung S5K5E9
Resolution
5 Mpx
Sensor Type
ISOCELL
Sensor Size
0.2 ″ type
Pixel Size
1.12 µm
Lens
Aperture
f/2.4
4

Redmi K40 front camera

Sensor Model
Samsung S5K3T2
Resolution
20 Mpx
Sensor Type
CMOS
Sensor Size
0.294 ″ type
Pixel Size
0.8 µm
Pixel Binning
4 :1
Sensor
Sensor Model
Samsung S5K3T2
Resolution
20 Mpx
Sensor Type
CMOS
Sensor Size
0.294 ″ type
Pixel Size
0.8 µm
Pixel Binning
4 :1
Video
Video Recording
1080p at 30 fps, 720p at 120 fps
Lens
Aperture
f/2.5
Features
Camera Features
HDR, Front-Facing LED Flash

Product gallery

12
Redmi K40
Redmi K40
Redmi K40
Redmi K40
Redmi K40
Redmi K40
Redmi K40
Redmi K40
Redmi K40
Redmi K40
Redmi K40
Redmi K40

Variant details

Memory
12 GB
Markets
china
Storage
256 GB
Market codes
china

Product family

Redmi K40
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