| Hardware and OS | iQOO U1 128GB 6GB RAM | |
| Operating system | Android v10 (Q) | |
| Custom UI | IQOO UI | |
| Processor | Octa core (2.3 GHz, Dual core, Kryo 465 1.8 GHz, Hexa Core, Kryo 465) | |
| Chipset | Qualcomm Snapdragon 720G | |
| Internal Storage | 128 GB | |
| Expandable memory | No | |
| GPU | Adreno 618 | |
| RAM | 6 GB | |
| Camera | iQOO U1 128GB 6GB RAM | other phones |
| Main camera | 48 MP 2 MP 2 MP | |
| Aperture | F2.0 | |
| Autofocus | Yes | |
| Camera features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
| Image | 8000 x 6000 Pixels | |
| Flash | Yes, LED Flash | |
| Front camera | 8 MP | |
| Front camera resolution | 8 MP f/2.0 Primary Camera | |
| Video recording | 1920x1080 @ 30 fps | |
| Connectivity | iQOO U1 128GB 6GB RAM | other phones |
| Bluetooth | Yes, v5.1 | |
| SIM size | SIM1: Nano, SIM2: Nano | |
| Dual SIM | Dual SIM, GSM GSM | |
| GPS | Yes, with A-GPS, Glonass | |
| Network support | 4G , 3G, 2G | |
| NFC | No | |
| USB connectivity | Mass storage device, USB charging, microUSB 2.0 | |
| USB TYPE-C | No | |
| WI-FI | Yes, Wi-Fi 802.11, b/g/n/n 5GHz | |
| Multimedia | iQOO U1 128GB 6GB RAM | other phones |
| Audio jack | 3.5 MM | |
| Loudspeaker | Yes | |
| Battery | iQOO U1 128GB 6GB RAM | other phones |
| Capacity | 4500 mAh | |
| Type | Li-ion | |
| User replaceable | No | |
| Quick charging | Yes, Fast, 18W | |
| Design | iQOO U1 128GB 6GB RAM | other phones |
| Colors | Star Blue, Secret Black, Sunny Frost White | |
| Height | 162 mm | |
| Width | 76.6 mm | |
| Thickness | 8.4 mm | |
| Weight | 190 grams | |
| Features | iQOO U1 128GB 6GB RAM | other phones |
| Fingerprint sensor position | Side | |
| Fingerprint sensor | Yes | |
| Other sensors | Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope | |
