| Hardware and OS | Sony Xperia Z4 Ultra | |
| Operating system | Android 5.0 (Lollipop) | |
| Processor | Octa-core (4x1.5 GHz Cortex-A53 & 4x2.0 GHz Cortex-A57) | |
| Chipset | Qualcomm MSM8994 Snapdragon 810 (20 nm) | |
| Internal memory | 16GB 3GB RAM, 32GB 3GB RAM | |
| External memory | microSDXC (dedicated slot) | |
| GPU | Adreno 430 | |
| Display | Sony Xperia Z4 Ultra | other phones |
| Size | 6.44 inches, 114.3 cm2 | |
| Resolution | 1080 x 1920 pixels, 16:9 ratio | |
| Type | IPS LCD capacitive touchscreen, 16M colors | |
| Protection | Shatter proof glass | |
| Main Camera | Sony Xperia Z4 Ultra | other phones |
| Camera | 16 MP, AF | |
| Features | LED flash, HDR, panorama | |
| Video | Yes | |
| Selfie camera | Sony Xperia Z4 Ultra | other phones |
| Camera | Yes | |
| Connectivity | Sony Xperia Z4 Ultra | other phones |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | |
| 3G Network | HSDPA 850 / 900 / 1700 / 1900 / 2100 | |
| 4G Network | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 13(700), 17(700), 20(800) | |
| Bluetooth | 4.0, A2DP, aptX | |
| CDMA | HSDPA 850 / 900 / 1900 / 2100 | |
| GPS | Yes, with A-GPS, GLONASS, BDS | |
| NFC | Yes | |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | |
| Technology | GSM / HSPA / LTE | |
| USB | microUSB 2.0 (MHL TV-out), USB On-The-Go | |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot | |
| Multimedia | Sony Xperia Z4 Ultra | other phones |
| 3.5 mm Jack | Yes | |
| Loudspeaker | Yes, with stereo speakers | |
| Radio | FM radio, RDS | |
| Battery | Sony Xperia Z4 Ultra | other phones |
| Capacity | Non-removable Li-Ion 4000 mAh battery | |
| Design | Sony Xperia Z4 Ultra | other phones |
| Body | IP68 dust/water resistant (up to 1.5m for 30 mins) | |
| Colors | Black, White | |
| Dimensions | - | |
| Weight | - | |
| SIM | Nano-SIM | |
| Features | Sony Xperia Z4 Ultra | other phones |
| Sensors | Accelerometer, gyro, proximity, compass, barometer | |