| Hardware and OS | Realme 1 128GB | |
| Operating System | Android v8.1 (Oreo) | |
| Custom UI | ColorOS | |
| Processor | Octa core (2 GHz, Quad core, Cortex A73 2 GHz, Quad core, Cortex A53) | |
| Chipset | MediaTek Helio P60 | |
| Architecture | 64 bit | |
| RAM | 6 GB | |
| Internal Memory | 128 GB | |
| Expandable Memory | yes Up to 256 GB | |
| Graphics | Mali-G72 MP3 | |
| SIM Slot(s) | Dual SIM, GSM GSM, Dual VoLTE | |
| Display | Realme 1 128GB | other phones |
| Screen Size | 6.0 inches (15.24 cm) | |
| Screen Resolution | 1080 x 2160 pixels | |
| Display Type | IPS LCD | |
| Pixel Density | 402 ppi | |
| Aspect Ratio | 18:9 | |
| Screen Protection | Corning Gorilla Glass v3 | |
| Touch Screen | yes Capacitive Touchscreen, Multi-touch | |
| Main Camera | Realme 1 128GB | other phones |
| Resolution | 13 MP f/2.2 Primary Camera
| |
| Image Resolution | 4128 x 3096 Pixels | |
| Flash | yes LED Flash | |
| Sensor | CMOS image sensor | |
| Camera Features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
| Autofocus | yes | |
| Physical Aperture | F2.2 | |
| Video Recording | 1920x1080 @ 30 fps | |
| Shooting Modes | Continuos Shooting, High Dynamic Range mode (HDR) | |
| Settings | Exposure compensation, ISO control | |
| Front Camera | Realme 1 128GB | other phones |
| Resolution | 8 MP f/2.2 Primary Camera
| |
| Physical Aperture | F2.2 | |
| Connectivity | Realme 1 128GB | other phones |
| Network | 4G: Available ,
3G: Available, 2G: Available | |
| SIM Size | SIM1: Nano, SIM2: Nano | |
| Bluetooth | yes v4.2 | |
| GPS | yes with A-GPS | |
| NFC | No | |
| VoLTE | yes | |
| Wi-Fi | yes Wi-Fi 802.11, a/ac/b/g/n/n 5GHz | |
| Wi-Fi Features | Mobile Hotspot | |
| USB Connectivity | Mass storage device, USB charging, microUSB 2.0 | |
| Multimedia | Realme 1 128GB | other phones |
| Audio Jack | 3.5 mm | |
| FM Radio | yes | |
| Loudspeaker | yes | |
| Design | Realme 1 128GB | other phones |
| Height | 156.5 mm | |
| Width | 75.2 mm | |
| Thickness | 7.8 mm | |
| Weight | 155 grams | |
| Build Material |
Back: Plastic | |
| Colours | Diamond Black, Solar Red | |
| Battery | Realme 1 128GB | other phones |
| Type | Li-ion | |
| Capacity | 3410 mAh | |
| User Replaceable | No | |
| Quick Charging | No | |
| Standby time | Up to 380 Hours(2G) | |
| TalkTime | Up to 30 Hours(2G) | |
| USB Type-C | No | |
| USB OTG Support | yes | |
| Features | Realme 1 128GB | other phones |
| Fingerprint Sensor | No | |
| Other Sensors | Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope | |
