| Hardware and OS | LG G9 ThinQ 5G | |
| Operating system | Android v10 (Q) | |
| Processor | Qualcomm SDM855 Snapdragon 855 (7 nm) | |
| RAM | 8 GB | |
| Internal Storage | 128 GB | |
| Expandable memory | Yes, Upto 1 TB | |
| Display | LG G9 ThinQ 5G | other phones |
| Type | P-OLED | |
| Size | 6.2 inches | |
| Resolution | 1440 x 3120 Pixels | |
| Pixel Density | 564 ppi | |
| Touchscreen | Yes, Capacitive Touchscreen, Multi-touch | |
| Connectivity | LG G9 ThinQ 5G | other phones |
| Network support | 4G , 3G, 2G | |
| WI-FI | Yes, Wi-Fi 802.11, a/ac/b/g/n | |
| Gps | Yes, with A-GPS, Glonass | |
| Bluetooth | Yes, v5.0 | |
| NFC | Yes | |
| Dual SIM | Dual SIM, GSM GSM | |
| SIM size | SIM1: Nano, SIM2: Nano (Hybrid) | |
| USB connectivity | Mass storage device, USB charging | |
| Camera | LG G9 ThinQ 5G | other phones |
| Front camera resolution | 8 MP, f/1.7, 26mm (wide) | |
| Camera features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
| Flash | Yes, LED Flash | |
| Autofocus | Yes | |
| Video recording | Yes | |
| Multimedia | LG G9 ThinQ 5G | other phones |
| Audio jack | 3.5 MM | |
| Loudspeaker | Yes | |
| Design | LG G9 ThinQ 5G | other phones |
| Colours | Platinum Gray, Aurora Black, New Moroccan Blue, Carmine Red | |
| Battery | LG G9 ThinQ 5G | other phones |
| Capacity | 4000 mAh | |
| Type | Lithium Polymer | |
| Other | LG G9 ThinQ 5G | other phones |
| Fingerprint sensor | Yes | |
| Fingerprint sensor position | Rear | |
| Other sensors | Accelerometer, Gyro, Proximity, Compass, Barometer | |
