Carbon Black
Flame Red
Glacier Blue
Processor
Qualcomm® Snapdragon™ 730 processor
Qualcomm® Kryo™ 470 CPU
Adreno™ 618 GPU
2xGold 2.2GHz + 6xSilver 1.8GHz
6GB+128GB / 6GB+64GB
*Available storage and RAM are less than the total memory due to storage of the operating system and software pre-installed in the device.
Operating system
MIUI 10
Supports Game Turbo 2.0
Dynamic display
Display
Horizon AMOLED Display
Resolution: FHD+ (2340x1080)
PPI: 403
Technology: AMOLED
Contrast Ratio: 60000:1(typ)
NTSC ratio: 103.8%
Corning® Gorilla® Glass 5 front and back
Screen brightness as 600nit (highest) / 430nit (Typ)
Supports HDR display
Rear Camera
48MP AI Rear Triple Camera
48MP Sony IMX582 ½ inch sensor, 1.6μm large pixel (four in one), 6P, f / 1.75 aperture
8MP telephoto lens, 2x Optical Zoom, 1.12μm pixel size, f / 2.4 aperture
13MP 124.8 ° super wide-angle lens, 1.12μm pixel size, f / 2.4 aperture
Zoom: Triple camera zoom with 2x optical zoom and 10x digital zoom
Focusing mode: PDAF
Photo resolution: Up to 8000x6000 pixels*
Video resolution: Up to 3840x2160 pixels*
Monochrome Dual Flash
960fps slow-motion video
Video Stabilisation: EIS
Rear camera video features
| 1080P recording | 60fps / 30fps |
| 720P recording | 30fps |
| 1080P slow motion recording | 120fps |
| 720P slow motion recording | 120fps / 240fps / 960fps |
Front Camera
20MP Pop-up selfie camera
20MP camera
Pop-up camera
f2.2 aperture
0.8μm pixel size
With R/B LED
Sapphire glass cover
Drop Protection, Press Protection, 300K times pop-up test
Front camera video features
| 1080P recording | 30fps |
| 720P recording | 30fps |
Unlock
7th Generation In-screen fingerprint unlock
Pop-up camera AI Face unlock
Charging and battery
4000mAh(typ) / 3900mAh(min）
Inbox 9V/2A, 18W fast charging
Quick Charge 3.0 supported
Built-in rechargeable battery
Network & Connectivity
Supports use of dual SIM cards from different carriers;
both cards can access 4G connectivity simultaneously①
Dual Nano-SIM slots; either card can be set as the primary card
Supports 4G+/4G/3G/2G
Supports dual SIM VoLTE HD calling②
Note 1: Dual 4G SIM requires the support of local telecom operator services, and may not be available in all regions.
Note 2: Only certain regions and telecom operators support VoLTE.
Supported network bands
Frequency Bands:
GSM: B2, B3, B5, B8
WCDMA: B1, B2, B5, B8
LTE:
LTE TDD B38,B40, B41（120MHz）
LTE FDD B1, B3, B5, B7,B8
Wireless Network
WLAN Protocol: 802.11 a/b/g/n/ac
WLAN Frequency: 2.4G WiFi | 5G WiFi
Supports MU-MIMO, supports WiFi Direct, WiFi Display
Bluetooth: Bluetooth 5.0 wireless technology, Qualcomm TrueWireless TM Stereo Plus
Supports AAC/LDAC/ aptX/aptX-HD/aptX-adaptive
Dimensions
Dimensions
Height: 156.7mm
Width: 74.3mm
Thickness: 8.8mm *
Weight: 191g
*Data provided by Xiaomi Laboratories. Industry measurment methods may vary, actual results may differ.
Buttons
Navigation and positioning
GPS
A-GPS
GLONASS
BeiDou
Audio
Single speaker(bottom opening)
3.5mm headphone jack
2 microphones (for noise cancellation)
0.9cc large sound cavity design
HiFi sound quality
Hi-Res Audio certification
Multimedia
MP4 | M4V | MKV | XVID | WAV | AAC | MP3 | AMR | FLAC | APE
Video playback
Supports H.264, MPEG4, VC-1, VP8, VP9
Supports HDR display when playing HDR10 video content
Sensors
Vibration motor
Proximity sensor
Ambient light sensor
Electronic compass
Accelerometer
Gyroscope
Package contents
Net Quantity 1 U
1 U Contains:
Mobile Phone 1 U ,
Adapter 1 U ,
USB Type-C Cable 1 U ,
SIM Eject Tool 1 U ,
User Guide 1 U ,
Warranty Card 1 U ,
Hard Case 1 U
*Redmi K20 uses a curved display design featuring a rectangular display within rounded corners. Using standard rectangle measurements, the display length is 6.39 inches (actual display may be slightly smaller).
*4000mAh refers to the Redmi K20's battery capacity typical value.
*All comparisons made on this page to typical phones refer to typical Xiaomi phones; Unless otherwise indicated on the Redmi K20 product page, all data come from by Xiaomi Laboratories, product design specifications and supplier data. The testing data may vary slightly between different test versions and testing environments. All figures shown on the product page are for reference only and may not reflect the actual product.
*Images on this page are illustration and the design of the real product may differ."