| Hardware and OS Realme 3 |
| Operating system: | ColorOS 6.0 (Android 9.0 Pie) |
| Processor: | 4x 2.1 GHz ARM Cortex-A73, 4x 1.95 GHz ARM Cortex-A53, Cores: 8 |
| GPU: | ARM Mali-G72 MP3, 900 MHz, Cores: 3 |
| RAM: | 3 GB, 4 GB, 933 MHz |
| Internal Storage: | 32 GB, 64 GB |
| Memory Card Slot: | microSD, microSDHC, microSDXC |
| User Interface: | Yes |
| Display Realme 3 |
| Type: | IPS |
| Size: | 6.22 inches |
| Resolution: | 720 x 1520 pixels |
| Colors: | 16M |
| Pixel Density: | 270 ppi |
| Touchscreen: | Yes |
| Protection: | Corning Gorilla Glass 3 |
| Features: | Capacitive, Multi-touch, Scratch resistant |
| Connectivity Realme 3 |
| 4G Network: | Yes |
| Wi-Fi: | a, b, g, n, n 5GHz, ac, Dual band, Wi-Fi Hotspot, Wi-Fi Direct |
| GPS: | GPS, A-GPS, GLONASS |
| NFC: | No |
| USB: | 2.0, Micro USB |
| Speed: | LTE 850 MHz LTE 900 MHz LTE 1800 MHz LTE 2100 MHz LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) |
| SIM: | Nano SIM |
| Dual SIM: | Nano-SIM |
| Wireless Charging: | No |
| Camera Realme 3 |
| Main camera: | 12.98 MP (megapixels) |
| Features: | LED |
| Image: | 4160 x 3120 pixels |
| Selfie camera: | 12.98 MP (megapixels) |
| Multimedia Realme 3 |
| Loudspeaker: | Yes |
| Handsfree: | Yes |
| Radio: | Yes |
| Video Playback: | Yes |
| Video Out: | Yes |
| Ring Tones: | Yes |
| 3.5 mm Jack: | yes |
| Design Realme 3 |
| Dimensions: | 75.6 x 156.1 x 8.3 mm |
| Waterproof: | No |
| Weight: | 175 g |
| Battery Realme 3 |
| Capacity: | 4230 mAh, Li-Polymer |
| Other Realme 3 |
| Sensors: | Proximity, Light, Accelerometer, Compass, Fingerprint |
