| Local Name | Redmi K20 |
| Technology | GSM / HSPA / LTE |
| 4G Bands | 1, 3, 5, 7, 8, 34, 38, 39, 40, 41 |
| 3G Bands | HSDPA 850 / 900 / 1900 / 2100 |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A |
| Announced | 2019, May |
| Status | Available. Released 2019, June |
| Dimensions | 156.7 x 74.3 x 8.8 mm (6.17 x 2.93 x 0.35 in) |
| Weight | 191 g (6.74 oz) |
| Build | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame |
| SIM | Dual SIM (Nano-SIM, dual stand-by) |
| Display Type | Super AMOLED capacitive touchscreen, 16M colors |
| Screen Size | 6.39 inches, 100.2 cm2 (~86.1% screen-to-body ratio) |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) |
| Protection | Corning Gorilla Glass 5 | HDR |
| OS | Android 9.0 (Pie), upgradable to Android 10.0; MIUI 11 |
| Chipset | Qualcomm SDM730 Snapdragon 730 (8 nm) |
| CPU | Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver) |
| GPU | Adreno 618 |
| Card Slot | No |
| Internal Memory | 64GB 6GB RAM, 128GB 6GB RAM, 256GB 8GB RAM | UFS 2.1 |
| Camera Features | HDR |
| Video | 1080p@30fps |
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
| Sound | 24-bit/192kHz audio |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| Bluetooth | 5.0, A2DP, LE, aptX HD |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| NFC | Yes (China only) |
| Radio | FM radio |
| USB | 2.0, Type-C 1.0 reversible connector, USB On-The-Go |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
| Battery | Non-removable Li-Po 4000 mAh battery |
| Colors | Carbon black, Red flame, Glacier blue, Pearl White |
