Redmi K40

Redmi K40 is a new smartphone that features a 6.67 inches FHD+ AMOLED display, Snapdragon 870 processor, 6GB RAM, and 128GB storage. It also includes a 48MP primary camera and a 20MP front camera. Redmi K40 also includes a 4520mAh battery pack, 33W charging, and runs Android 11 with Redmi MIUI. Redmi K40 has launched in China but has not released in India.

Market status:Not Released in India

Launched on: 25 Feb 2021

China

Launched Price in China¥1999

Processor

Snapdragon 870

Display

6.67 inches FHD+ AMOLED (120Hz)

Rear Camera

48MP8MP5MP

Wide-angleUltra-wideMacro

Front Camera

20MP

Wide

RAM/Storage

6GB

128GB

Battery

4520mAh (33W)

Android 11 (Redmi MIUI)

Processor

Snapdragon 870

Display

6.67 inches FHD+ AMOLED (120Hz)

Rear Camera

48MP8MP5MP

Wide-angleUltra-wideMacro

Front Camera

20MP

Wide

RAM/Storage

6GB

128GB

Battery

4520mAh (33W)

Android 11 (Redmi MIUI)

This product has not been released in India and all information is based on the China launch.

This phone's software support window has officially closed. It's still usable, but don't expect fresh updates or features

Redmi K40 Benchmarks

System Performance

AnTuTu 0

Geekbench 6

CPU Single-Core1,141
CPU Multi-Core3,317

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Redmi K40 Timeline

Mar 04, 2021

Redmi K40 now available globally, featuring three colour options, Glossy Black, Icy White and Dreamland, offering stylish design, reliable performance, and enhanced user experience.

Redmi K40 Full Specifications

Expanded View

General

Box ContentsPhone, 33W Charger, Type-C Cable, Case, SIM Ejector Tool
AvailabilityMarch 04, 2021
Launch Price¥1999

Display

Type
- Display TypeAMOLED
- Display EngineE4
- Refresh Rate120Hz
- Playback QualityHDR10+
- LTPO SupportNo
- LTPS SupportNo
- Touch Sampling Rate360Hz
- Anti Reflection CoatingNo
Size
- Display Size6.67 inches
- Area107.4 cm²
- Screen to Body Ratio85.9%
- Display Form FactorFlat Display
Resolution
- Display ResolutionFHD+
- Resolution Width1080pixels
- Resolution Height2400pixels
- Aspect Ratio20:9
- Pixel Density395ppi
- Contrast Ratio5,000,000:1
- Colour GamutDCI-P3
- Color Gamut Range100%
- Display Bit Rate8-bit
- High Brightness1300nits
- Peak Brightness1300nits

Body

Dimensions163.7 x 76.4 x 7.8 mm
Weight196 grams
FrontGorilla Glass 5
BackPlastic
SidePlastic Frame
Build QualityCorning Gorilla Glass 5
PortsUSB Type-C, OTG
Speaker24-bit/192kHz Hi-Res Audio, Hi-Res Audio (wired and wireless), Stereo Speakers, Dolby Atmos

Processor

Chipset
- Chipset ManufacturerQualcomm
- ChipsetSnapdragon 870
- Fabrication Size7 nm
CPU
- Number of CoresOcta-core
- Clock Speed1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585
GPUAdreno 650

Operating System

Operating SystemAndroid 11, Redmi MIUI
Software Updates2 year(s) of Software updates and 3 year(s) of Security updates
AI FeaturesAI Beauty, AI Camera

Main Camera

Main Camera
- Main Camera Megapixel48MP
- Main Camera Camera SensorSony IMX582
- Main Camera Lens TypeWide-angle
- Main Camera Aperturef/1.79
- Main Camera Focal Length26 mm
- Main Camera Sensor Size1/2"
- Main Camera Pixel Size0.8 µm
- Main Camera Camera FeaturesPDAF
Main Camera #2
- Main Camera #2 Megapixel8MP
- Main Camera #2 Lens TypeUltra-wide
- Main Camera #2 Aperturef/2.2
- Main Camera #2 Field of View119°
- Main Camera #2 Pixel Size1.12 µm
Main Camera #3
- Main Camera #3 Megapixel5MP
- Main Camera #3 Lens TypeMacro
- Main Camera #3 Aperturef/2.4
- Main Camera #3 Focal Length50 mm
Features
- Camera StabilizationEIS
- Auto Focus TypePDAF
- Dynamic Video Recording SupportSDR recording
- Slow Motion Recording960 fps slomo
- FeaturesCinematic Mode, Dual View, HDR, Professional Mode, Slow Motion, Time Lapse
Video
- Video Recording1080p@120fps, 1080p@240fps, 1080p@30fps, 1080p@60fps, 1080p@960fps, 4K@30fps, 720p@120fps, 720p@240fps, 720p@30fps, 720p@960fps
- Log Video Recording SupportNo
- Video Featuresgyro-EIS

Selfie Camera

Front Camera
- Front Camera #1 Megapixel20MP
- Front Camera #1 Lens TypeWide
- Front Camera #1 Aperturef/2.5
- Front Camera #1 Sensor Size1/3.4"
- Front Camera #1 Pixel Size0.8 µm
Features
- Auto Focus TypeFixed Focus
- FeaturesFilters, Gesture Selfie, HdR, Night mode, panorama, Portrait Mode
Video
- Video Recording1080@30fps, 720p@30fps
- HDR Recording SupportSDR recording
- Video Features1080p@30fps, 720p@120fps, 720p@30fps

Battery

Capacity
- Battery Capacity4520mAh
- Battery TypeLithium Polymer
Charging
- Charging Speed Wired33W
- Wireless Charging SupportNo
- Reverse Wireless Charging SupportNo
- Reverse Wired Charging SupportNo
- Charging Standards SupportedPD3.0, QC3.0
- Bypass Charging SupportNo

Memory

Storage
- Storage Size128GB
- Storage TypeUFS 3.1
RAM
- RAM Size6GB
- RAM TypeLPDDR5

Network

SIMDual SIM (nano-SIM, dual stand-by)
Technology5G, CDMA, EVDO, GSM, LTE FDD, LTE TD, WCDMA
2G Bands1800, 1900, 800, 850, 900 (5 bands)
3G Bands1, 2, 4, 5, 6, 8, 19 (7 bands)
4G Bands1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42 (17 bands)
5G Bands1, 3, 28, 41, 77, 78 SA/NSA/Sub6 (6 bands)
Speed5G, CDMA, GSM, LTE, WCDMA

Connectivity

WLAN
- Wi-Fi VersionWiFi 6
- Wi-Fi StandardsWi-Fi 6 802.11 a/b/g/n/ac/ax
- Wi-Fi FeaturesHotspot, Wi-Fi Direct
Bluetooth
- Bluetooth Version5.1
- Bluetooth CodecsAAC, LDAC, LHDC
PositioningA-GPS, AGNSS, BeiDou(B1/B2a), GLONASS (G1), GPS (L1+L5)
NFCSupported

Features

Fingerprint ScannerSide Mounted
Sensors
- Sensors on BoardAccelerometer, Ambient Light Sensor, Color Temperature Sensor, Electronic Compass, Gyroscope, Infrared Sensor, Linear Motor, Proximity Sensor, Ultrasonic Distance Sensor
Additional FeaturesX-axis Linear Motor