| Local Name | Redmi K40 Gaming |
| Additional Information | Also known as Xiaomi Redmi K40 Gaming Edition |
| Technology | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G |
| 4G Bands | 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42 |
| 3G Bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | CDMA2000 1x |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | CDMA 800 |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A, 5G |
| Announced | 2021, April 27 |
| Status | Available. Released 2021, April 30 |
| Dimensions | 161.9 x 76.9 x 8.3 mm (6.37 x 3.03 x 0.33 in) |
| Weight | 205 g (7.23 oz) |
| Build | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5) |
| SIM | Dual SIM (Nano-SIM, dual stand-by) |
| Body | Physical pop-up gaming triggers IP53, dust and splash protection |
| Display Type | Li-Po 5065 mAh, non-removable |
| Screen Size | 6.67 inches, 107.4 cm2 (~86.3% screen-to-body ratio) |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) |
| Protection | Corning Gorilla Glass 5 |
| OS | Android 11, MIUI 12.5 |
| Chipset | MediaTek MT6893 Dimensity 1200 5G (6 nm) |
| CPU | Octa-core (1x3.0 GHz Cortex-A78 & 3x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55) |
| GPU | Mali-G77 MC9 |
| Card Slot | No |
| Internal Memory | 128GB 6GB RAM, 128GB 8GB RAM, 128GB 12GB RAM, 256GB 8GB RAM, 256GB 12GB RAM | UFS 3.1 |
| Camera Features | HDR |
| Video | 1080p@30fps, 720p@120fps, HDR |
| Loudspeaker | Yes, with stereo speakers |
| 3.5mm Jack | No |
| Sound | 24-bit/192kHz audio Tuned by JBL |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot |
| Bluetooth | 5.2, A2DP, LE |
| GPS | Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS, NavIC |
| NFC | Yes |
| Infrared Port | Yes |
| Radio | No |
| USB | USB Type-C 2.0, USB On-The-Go |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, compass, barometer, color spectrum |
| Colors | Black, Gray, Silver, Bruce Lee Yellow |
