| Physical features | Xiaomi Redmi K20 |
| Model | |
| Other model names | Xiaomi Redmi K20 M1903F10A, M1903F10C, MZB7754IN, MZB7755IN |
| Country or region available |  
China, India |
| Brand | Xiaomi |
| Release date | June, 2019 |
| Depth | 8.8 millimeters (0.35 inches) |
| Size (width x height) | 74.3 x 156.7 millimeters (2.93 x 6.17 in) |
| Weight | 191 grams (6.69 ounces) |
| Qwerty physical keyboard | Not supported |
| Antenna | Internal antenna |
| Build, materials | Aluminum frame, glass front/back |
| Protection against water and others | Not supported |
| System (OS) | Xiaomi Redmi K20 |
| Operating system | Android 9.0 Pie |
| Firmware update | Android 10 |
| Hardware | Xiaomi Redmi K20 |
| Chipset | 64bit - Qualcomm Snapdragon 730 SDM730 (8nm) |
| CPU processor | Octa-Core, 2 processors:
2.2Ghz Dual-Core Kryo 470 Gold
1.8Ghz Hexa-Core Kryo 470 Silver |
| GPU graphical controller | Qualcomm Adreno 618 700Mhz |
| RAM memory | 6GB LPDDR4X |
| Internal storage | 64GB (49GB user free)
UFS 2.1 |
| External storage | Not supported |
| Display | Xiaomi Redmi K20 |
| Display type | AMOLED |
| Screen size | 6.39" inches |
| Screen-to-body ratio | ~86.1% (screen-to-body ratio) |
| Touchscreen | Capacitive Multitouch |
| Display resolution | 1080x2340 pixels |
| Pixel density (dot pitch) | 403 PPI |
| Colors | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 |
| Mobile networks | Xiaomi Redmi K20 |
| Dual-SIM | Dual SIM Standby - Call active on one sim card
(dedicated slot) |
| SIM card | 2 slots Dual-SIM
nano-SIM (4FF) |
| Maximum download/upload | 800/150 Mbps |
| Network technology | 2G, 3G, 4G |
| Frequency, bands | Expand band detailsCollapse details |
| GSM Mhz band | Quad-Band 850/900/1800/1900 |
| Primary 2G network | CDMA 800 (China), GSM 850/900/1800/1900 |
| Primary 3G network | MZB7754IN, MZB7755IN, MZB7756IN version:
UMTS 850/900/1900/2100
M1903F10A, M1903F10C, M1903F10T version:
CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat15/13
VoLTE
MZB7754IN, MZB7755IN, MZB7756IN version:
LTE (Bands 1, 3, 5, 7, 8)
TD-LTE (Bands 38, 40, 41)
M1903F10A, M1903F10C, M1903F10T version:
LTE (Bands 1, 3, 5, 7, 8)
TD-LTE (Bands 34, 38, 39, 40, 41) |
| Primary 5G network | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported |
| Secondary 4G network | Not supported |
| Secondary data network | GPRS, EDGE |
| Calling | Xiaomi Redmi K20 |
| Messaging | SMS (T9), MMS, E-mail, Push mail |
| Speakerphone | Supported |
| Video calling | Supported |
| Call control | Voice dialing, Voice recorder, Voice commands |
| Camera | Xiaomi Redmi K20 |
| Back camera (main camera) | (triple camera)
48 megapixels
8MP telephoto (f/2.4 53mm 1/4" 1.12µm PDAF 2x-zoom)
13MP ultrawide (f/2.4 12mm 1/3" 1.12µm) |
| Main camera resolution | 8000x6000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps |
| Flash | Dual LED flash |
| Focal aperture | f/1.8 (aperture) |
| Focal length | 26mm lens |
| Sensor size | 1/2" inches |
| Pixel size | 0.8µm pixel |
| Autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported |
| Image stabilization | EIS: Digital stabilization |
| Zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection |
| BSI sensor | Not supported |
| HDR | HDR photo on both cameras |
| 2ª camera | Xiaomi Redmi K20 |
| Front camera (secondary) | 20 megapixels |
| Front camera resolution | 5184x3840 pixels |
| Video recording (secondary) | Full HD (1920x1080) |
| Front flash | Not supported |
| Focal aperture | f/2.2 (aperture) |
| Focal length | feature not registered |
| Sensor size | feature not registered |
| Pixel size | 0.8µm pixel |
| Multimedia | Xiaomi Redmi K20 |
| Radio | FM |
| TV | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC |
| Connectivity | Xiaomi Redmi K20 |
| USB | USB 2.0 Type-C, USB OTG On-The-Go |
| TV output | Not supported |
| Audio output | 3.5mm jack |
| Bluetooth | 5.0 version A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac + MIMO (2.4Ghz, 5Ghz) |
| DLNA | Not supported |
| NFC | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| Infrared port | Not supported |
| Other functions | Xiaomi Redmi K20 |
| Active noise cancellation | Supported |
| Vibrating alert | Supported |
| Ringtones | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 |
| Java / Flash player | Not supported |
| Sensors | Accelerometer
Proximity
Compass
Ambient Light
Gyroscope
Face unlock
Fingerprint (under display)
|
| Other features | - Colors: Carbon black, Flame red, Glacier blue
- MIUI 10
- HDR display
- 24-bit/192kHz audio
- Quick Charge 4+
- WiFi direct, hotspot |
| Power supply | Xiaomi Redmi K20 |
| Battery | LiPo - Li-Ion polymer (Non removable)
Fast battery charging |
| Battery capacity | 4000 mAh |
| Battery model / charger (watts) | 9V/2A=18W |
| Talk time autonomy | feature not registered |
| Standby | feature not registered |
| Radiation rate | Xiaomi Redmi K20 |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.07W/kg (head) | 0.72W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered |