| Local Name | Poco C51 |
| Technology | GSM / HSPA / LTE |
| 4G Bands | 1, 3, 5, 8, 40, 41 |
| 3G Bands | HSDPA 850 / 900 / 2100 |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| Speed | HSPA, LTE |
| Announced | 2023, April 07 |
| Status | Available. Released 2023, April 13 |
| Dimensions | 164.9 x 76.8 x 9.1 mm (6.49 x 3.02 x 0.36 in) |
| Weight | 192 g (6.77 oz) |
| SIM | Dual SIM (Nano-SIM, dual stand-by) |
| Display Type | Li-Po 5000 mAh, non-removable |
| Screen Size | 6.52 inches, 102.6 cm2 (~81.0% screen-to-body ratio) |
| Resolution | 720 x 1600 pixels, 20:9 ratio (~269 ppi density) |
| OS | Android 13 (Go edition), MIUI |
| Chipset | Mediatek Helio G36 (12 nm) |
| CPU | Octa-core (4x2.2 GHz Cortex-A53 & 4x1.7 GHz Cortex-A53) |
| GPU | PowerVR GE8320 |
| Card Slot | microSDXC (dedicated slot) |
| Internal Memory | 64GB 4GB RAM | eMMC 5.1 |
| Camera Features | Dual-LED flash, HDR |
| Video | 1080p@30fps |
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
| WLAN | Wi-Fi 802.11 b/g/n |
| Bluetooth | 5.0, A2DP, LE |
| NFC | No |
| Radio | FM radio, recording |
| USB | microUSB 2.0, OTG |
| Sensors | Fingerprint (rear-mounted), accelerometer |
| Colors | Power Black, Royal Blue |