| Hardware and OS | Realme C11 (2021) | |
| Operating system | Android 11, Realme Go UI | |
| Processor | Octa-core 1.6 GHz | |
| RAM | 2 GB | |
| Internal Storage | 32 GB | |
| Memory Card Slot | microSDXC (dedicated slot) | |
| User Interface | Yes | |
| Display | Realme C11 (2021) | other phones |
| Type | IPS LCD | |
| Size | 6.52 inches | |
| Resolution | 720 x 1600 pixels | |
| Colors | 16M | |
| Pixel Density | ~269 ppi density | |
| Touchscreen | Capacitive touchscreen | |
| Connectivity | Realme C11 (2021) | other phones |
| 4G Network | 1, 3, 5, 8, 38, 40, 41 | |
| 5G Network | No | |
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | |
| NFC | No | |
| USB | microUSB 2.0, USB On-The-Go | |
| Speed | HSPA 42.2/5.76 Mbps, LTE | |
| SIM | Nano SIM | |
| Dual SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| Wireless Charging | No | |
| Camera | Realme C11 (2021) | other phones |
| Main camera | 8 MP (wide) | |
| Features | LED flash, HDR, panorama | |
| Image | 1080p | |
| Selfie camera | 5 MP (wide) | |
| Multimedia | Realme C11 (2021) | other phones |
| Loudspeaker | Yes | |
| Handsfree | Yes | |
| Radio | Unspecified | |
| Video Playback | Yes | |
| Video Out | Yes | |
| Ring Tones | Yes | |
| 3.5 mm Jack | Yes | |
| Design | Realme C11 (2021) | other phones |
| Dimensions | 165.2 x 76.4 x 8.9 mm | |
| Waterproof | Splash resistant design | |
| Weight | 190 Grams | |
| Battery | Realme C11 (2021) | other phones |
| Capacity | Li-Po 5000 mAh, Charging 10W, Reverse charging | |
| Placement | Non-Removable | |
| Other | Realme C11 (2021) | other phones |
| Sensors | Accelerometer, gyro, proximity, compass, | |
