| Hardware and OS Realme C20A |
| Operating system: | Android 10, Realme UI |
| Processor: | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) |
| Chipset: | MediaTek MT6765G Helio G35 (12 nm) |
| Internal memory: | 32GB 2GB RAM |
| External memory: | microSDXC (dedicated slot) |
| GPU: | PowerVR GE8320 |
| Display Realme C20A |
| Size: | 6.5 inches, 102.0 cm2 |
| Resolution: | 720 x 1600 pixels, 20:9 ratio |
| Type: | IPS LCD, 400 nits (typ) |
| Main Camera Realme C20A |
| Camera: | 8 MP, f/2.0, (wide), 1/4.0", 1.12µm, AF |
| Features: | LED flash, HDR, panorama |
| Video: | 1080p@30fps |
| Selfie camera Realme C20A |
| Camera: | 5 MP, f/2.2, (wide), 1/5.0", 1.12µm |
| Features: | HDR |
| Video: | 1080p@30fps |
| Connectivity Realme C20A |
| 2G Network: | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network: | HSDPA 850 / 900 / 2100 |
| 4G Network: | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 |
| Bluetooth: | 5.0, A2DP |
| GPS: | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| NFC: | No |
| Speed: | HSPA 42.2/5.76 Mbps, LTE |
| Technology: | GSM / HSPA / LTE |
| USB: | microUSB 2.0, USB On-The-Go |
| WLAN: | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| Multimedia Realme C20A |
| 3.5 mm Jack: | Yes |
| Loudspeaker: | Yes |
| Radio: | FM radio |
| Battery Realme C20A |
| Type: | Li-Po 5000 mAh, non-removable |
| Charging: | Reverse charging |
| Design Realme C20A |
| Body build: | Glass front, plastic frame, plastic back |
| Body: | Splash-resistant design |
| Colors: | Iron Grey, Lake Blue |
| Dimensions: | 165.2 x 76.4 x 8.9 mm (6.50 x 3.01 x 0.35 in) |
| Weight: | 190 g (6.70 oz) |
| SIM: | Dual SIM (Nano-SIM, dual stand-by) |
| Features Realme C20A |
| Sensors: | Accelerometer, proximity, compass |
