| Hardware and OS | Realme 5i | |
| Operating system | Android 9.0 (Pie), planned upgrade to Android 10.0; ColorOS 6 | |
| Processor | Octa-core (4x2.0 GHz Kryo 260 Gold, 4x1.8 GHz Kryo 260 Silver) | |
| GPU | Adreno 610 | |
| RAM | 4 GB | |
| Internal Storage | 64 GB | |
| Memory Card Slot | microSD, up to 256 GB (dedicated slot) | |
| User Interface | Yes | |
| Display | Realme 5i | other phones |
| Type | IPS LCD | |
| Size | 6.52 inches | |
| Resolution | 720 x 1600 pixels | |
| Colors | 16 Millions Colors | |
| Pixel Density | ~269 PPI density | |
| Touchscreen | Capacitive touchscreen | |
| Connectivity | Realme 5i | other phones |
| 4G Network | LTE band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 40(2300), 41(2500) | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, 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-A (2CA) 450/50 Mbps | |
| SIM | Nano SIM | |
| Dual SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| Wireless Charging | No | |
| Camera | Realme 5i | other phones |
| Main camera | 12 MP (wide), 8 MP (ultra-wide), 2 MP (dedicated macro camera), 2 MP depth sensor | |
| Features | LED flash, HDR, panorama | |
| Image | 2160p | |
| Selfie camera | 8 MP | |
| Multimedia | Realme 5i | other phones |
| Loudspeaker | Yes | |
| Handsfree | Yes | |
| Radio | Yes | |
| Video Playback | Yes | |
| Video Out | Yes | |
| Ring Tones | Yes | |
| 3.5 mm Jack | yes | |
| Design | Realme 5i | other phones |
| Waterproof | No | |
| Battery | Realme 5i | other phones |
| Capacity | Li-Po 5000 mAh battery, Battery charging 10W | |
| Placement | Non-Removable | |
| Other | Realme 5i | other phones |
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, | |
