| Hardware and OS | Sony Xperia XA3 Ultra | |
| Operating System | Android v9.0 (Oreo) | |
| Processor | Octa core (2.2 GHz, Quad core, Kryo 260 1.8 GHz, Quad core, Kryo 260) | |
| Chipset | Qualcomm Snapdragon 660 MSM8956 | |
| Architecture | 64 bit | |
| Internal Memory | 64 GB | |
| External memory | Yes, Up to 256 GB | |
| RAM | 6 GB | |
| GPU | Adreno 512 | |
| Display | Sony Xperia XA3 Ultra | other phones |
| Type | IPS LCD | |
| Size | 6.5 inches (16.51 cm) | |
| Screen format | 18:9 | |
| PPI /points per inch/ | 372 ppi | |
| Touchscreen | Yes, Capacitive Touchscreen, Multi-touch | |
| Connectivity | Sony Xperia XA3 Ultra | other phones |
| 4G Bands | TD-LTE 2300(band 40), FD-LTE 1800(band 3) | |
| Network Support | 4G, 3G, 2G | |
| SIM card | SIM1: Nano, SIM2: Nano | |
| SIM Slot(s) | Dual SIM, GSM GSM | |
| Bluetooth | Yes, v5.0 | |
| GPS | Yes with A-GPS, Glonass | |
| USB Connectivity | Mass storage device, USB charging | |
| VoLTE | Yes | |
| Wi-Fi | Yes, Wi-Fi 802.11, b/g/n | |
| Camera | Sony Xperia XA3 Ultra | other phones |
| Main camera | 23 MP, Primary Camera, 8 MP, | |
| Camera Setup | Dual | |
| Autofocus | Yes, Phase Detection autofocus | |
| Camera Features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
| Flash | Yes, LED Flash | |
| Image Resolution | 5288 x 3968 Pixels | |
| Selfie camera | 13 MP, Primary Camera, | |
| Multimedia | Sony Xperia XA3 Ultra | other phones |
| Headphone jack | 3.5 mm | |
| Loudspeaker | Yes | |
| Design | Sony Xperia XA3 Ultra | other phones |
| Width | 73.3 mm | |
| Height | 167.4 mm | |
| Thickness | 8.3 mm | |
| Battery | Sony Xperia XA3 Ultra | other phones |
| Capacity | 3700 mAh | |
| Type | Li-ion | |
| Removable | No | |
| USB Type-C | Yes | |
| Other features | Sony Xperia XA3 Ultra | other phones |
| Fingerprint Sensor | Yes | |
| Fingerprint Sensor Position | Side | |
| Other Sensors | Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope | |
