| Property | Value |
| Brand | Xiaomi |
| Model | Redmi K40 |
| Connectivity |
| Network | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G |
| 2G connectivity | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G connectivity | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G connectivity | 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42 |
| 5G connectivity | No |
| Network speed | HSPA 42.2/5.76 Mbps, LTE-A, 5G |
| Date announced | 2021, February 25 |
| Status | Coming soon. Exp. release 2021, March 04 |
| Body |
| Dimensions | 163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in) |
| Weight gr. | 196 |
| Weight oz | 6.91 |
| SIM | Dual SIM (Nano-SIM, dual stand-by) |
| Colors | Black, White, Aurora |
| Screen |
| Type of screen | Super AMOLED, 120Hz, HDR10+, 1300 nits (peak) |
| Screen resolution | 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) |
| Screen size | 6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio) |
| Platform |
| OS |
Android 11, MIUI 12 |
| CPU | Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) |
| Chipset | Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) |
| GPU | Adreno 650 |
| Storage and memory |
| Memory card | No |
| Internal memory |
128 GB / 256 GB
|
RAM |
6 GB / 8 GB / 12 GB |
| Cameras |
| Main camera | 48 MP, f/1.8, 26mm (wide), 1/2", 0.8µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide) 5 MP, 50mm (macro), 1/5.0", 1.12µm |
| Video features | 4K@30fps, 1080p@30/60/120/240/960fps, gyro-EIS |
| Secondary camera | 20 MP, (wide), 1/3.4", 0.8µm |
| Communications |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot |
| Bluetooth | 5.1, A2DP, LE |
| GPS | Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS, NavIC |
| NFC | Yes |
| Radio | No |
| USB | USB Type-C 2.0, USB On-The-Go |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, color spectrum |
| Battery |
| Battery | Li-Po 4520 mAh, non-removable |
| Fast charging | No |
| Wireless charging | No |
| Approximate price |
280 € |
