| Brand: | Realme |
| Model: | C51s |
| Type: | Smartphone |
| Release Date: | 2024, March 15 |
| Size: | 6.74 inches, 109.7 cm2 (~85.5% screen-to-body ratio) |
| Resolution: | 720 x 1600 pixels, 20:9 ratio (~260 ppi density) |
| Technology: | IPS LCD, 90Hz, 560 nits (peak) |
| Main Specs: | 50 MP, f/1.8, 27mm (wide), 1/2.76", 0.64µm, PDAF |
| Main Features: | LED flash, HDR, panorama |
| Main Video: | 1080p@30fps |
| Selfie Specs: | 5 MP, f/2.2, 28mm (wide), 1/5.0", 1.12µm |
| Selfie Features: | HDR |
| Selfie Video: | 720p@30fps |
| Capacity: | 5000 mAh, non-removable |
| Chipset: | Unisoc Tiger T612 (12 nm) |
| Ram: | 6GB |
| Storage: | 128GB |
| Expandable: | microSDXC (dedicated slot) |
| Dimensions: | 167.2 x 76.7 x 7.5 mm (6.58 x 3.02 x 0.30 in) |
| Weight: | 182 g (6.42 oz) |
| Wifi: | Wi-Fi 802.11 a/b/g/n/ac, dual-band |
| Bluetooth: | 5.0, A2DP, LE |
| Nfc: | Yes |
| Usb: | USB Type-C |
| Headphone Jack: | Yes |
| Network: | GSM / HSPA / LTE |
| Sensors: | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| Colors: | Shiny Green, Mighty Black |