| Local Name | Poco C40 |
| Technology | GSM / HSPA / LTE |
| 4G Bands | 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 |
| 3G Bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| Speed | HSPA, LTE-A |
| Announced | 2022, June 06 |
| Status | Available. Released 2022, June 17 |
| 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) |
| Body | Dust & splash resistant |
| Display Type | Li-Po 6000 mAh, non-removable |
| Screen 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 Memory | 32GB 3GB RAM, 64GB 4GB RAM |
| Camera 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 |
| Bluetooth | 5.0, A2DP, LE |
| NFC | Yes (market/region dependent) |
| Infrared Port | Yes |
| Radio | FM radio |
| USB | USB Type-C 2.0, OTG |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity |
| Colors | Power Black, Coral Green, Poco Yellow |
