| Hardware and OS | iQOO U3x 4G | |
| Operating system | Android v11 | |
| Processor | 2 GHz, Octa Core Processor | |
| Chipset | Mediatek Helio G80 | |
| GPU | Arm Mali-G52 | |
| Ram | 4 GB | |
| Storage | 128 GB | |
| Card Slot | Yes | |
| Display | iQOO U3x 4G | other phones |
| Size | 6.58 inches, 1080 x 2408 pixels | |
| Type | Color IPS LCD Screen (16M Colors) | |
| Aspect Ratio | 20:9 | |
| PPI | ~400 PPI | |
| Screen to Body Ratio | ~ 84.7% | |
| Touch | Yes, with Multitouch | |
| Main Camera | iQOO U3x 4G | other phones |
| Camera | 8 MP f/2 (Wide Angle) | |
| Flash | Yes, LED | |
| Features | HDR, Panorama | |
| Video | 1080p @ 30fps FHD | |
| Selfie camera | iQOO U3x 4G | other phones |
| Camera | 13 MP f/2.2 (Wide Angle)
2 MP f/2.4 (Depth Sensor) with autofocus | |
| Video | 4K @ 30fps UHD, 1080p @ 30fps FHD | |
| Connectivity | iQOO U3x 4G | other phones |
| 3G Network | Yes | |
| 4G Network | Yes | |
| 5G Network | No | |
| Bluetooth | Yes, v5.1, A2DP, LE | |
| EDGE | Yes | |
| GPRS | Yes | |
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | |
| USB | Yes, USB-C v2.0 | |
| USB Features | USB on-the-go, USB Charging | |
| VoLTE | Yes, Dual Stand-By | |
| Wifi | Yes, with wifi-hotspot | |
| Multimedia | iQOO U3x 4G | other phones |
| 3.5 mm Jack | Yes | |
| Battery | iQOO U3x 4G | other phones |
| Type | Non-Removable Battery | |
| Battery capacity | 5000 mAh, Li-Po Battery | |
| Fast Charging | Yes, 18W Fast Charging | |
| Design | iQOO U3x 4G | other phones |
| Dimensions | 76.32 x 164.41 x 8.41 mm | |
| Weight | 191.4 g | |
| Dual Sim | Yes | |
| Sim Type | Dual Sim, GSM GSM | |
| Sim Size | Nano Nano SIM | |
| Features | iQOO U3x 4G | other phones |
| Sensors | Accelerometer, Gyro, Proximity, Compass | |
| Fingerprint Sensor | Yes, Side | |
| Face Unlock | Yes | |
