| Brand | : | Xiaomi |
| Model | : | Poco C40 |
| Color | : | Power Black, Coral Green, Poco Yellow |
| Technology | : | GSM / HSPA / LTE 2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 4G bands 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 Speed HSPA 42.2/5.76 Mbps, LTE-A |
| Dimensions | : | 169.6 x 76.6 x 9.2 mm (6.68 x 3.02 x 0.36 in) |
| Weight | : | 204 g (7.20 oz) |
| SIM | : | Dual SIM (Nano-SIM, dual stand-by) |
| Type | : | IPS LCD, 400 nits |
| Size | : | 6.71 inches, 106.5 cm2 (~82.0% screen-to-body ratio) |
| Resolution | : | 720 x 1650 pixels (~268 ppi density) |
| Protection | : | Corning Gorilla Glass |
| OS | : | Android 11, MIUI 13 for POCO |
| Chipset | : | JLQ JR510 (11 nm) |
| CPU | : | Octa-core (4x2.0 GHz Cortex-A55 & 4x1.5 GHz Cortex-A55) |
| GPU | : | Mali-G57 MC1 |
| Card slot | : | microSDXC |
| Internal | : | 32GB 3GB RAM, 64GB 4GB RAM |
| Dual | : |
13 MP, f/2.2, (wide), PDAF 2 MP, f/2.4, (depth) |
| Features | : | LED flash, HDR, panorama |
| Video | : | 1080p@30fps |
| Single | : | 5 MP, f/2.2 |
| Features | : | HDR |
| Video | : | 1080p@30fps |
| Loudspeaker | : | Yes |
| 3.5mm jack | : | Yes |
| WLAN | : | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| Bluetooth | : | 5.0, A2DP, LE |
| GPS | : | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| NFC | : | Yes (market/region dependent) |
| Infrared port | : | Yes |
| Radio | : | FM radio |
| USB | : | USB Type-C 2.0, USB On-The-Go |
| Sensors | : | Fingerprint (rear-mounted), accelerometer, proximity |
| Type | : | Li-Po 6000 mAh, non-removable |
| Charging | : | Fast charging 18W |