| Attribute |
Toshiba Portégé Z20t-C-144 (PT16BE-00W06GDU) × | 
Dynabook Portégé X20W-D-12J (PRT12E-08H00MIT) × |
| General | | |
| Model | Toshiba Portégé Z20t-C-144 | Dynabook Portégé X20W-D-12J |
| Product code | PT16BE-00W06GDU | PRT12E-08H00MIT |
| Design | | |
| Product colour | Black, Graphite | Blue |
| Form factor | Convertible (Detachable) | Convertible (Folder) |
| Brand | Toshiba | Dynabook |
| Family | Portégé | Portégé |
| Model name | Z20t-C-144 | X20W-D-12J |
| Part number | PT16BE-00W06GDU | PRT12E-08H00MIT |
| Market positioning | Business | - |
| Release year (year) | 2018 | 2017 |
| Processor | | |
| Processor manufacturer | Intel | Intel |
| Processor family | Intel Core M | 7th gen Intel Core i7 |
| Processor frequency (GHz) | 1.2 | 2.7 |
| Processor boost frequency (GHz) | 3.1 | 3.5 |
| Processor model | m7-6Y75 | i7-7500U |
| Processor cores | 2 | 2 |
| Processor threads | 4 | 4 |
| Processor lithography (Nm) | 14 | 14 |
| Processor socket | BGA 1515 | BGA 1356 |
| Processor cache (MB) | 4 | 4 |
| Memory | | |
| Internal memory type | LPDDR3-SDRAM | LPDDR3-SDRAM |
| Maximum internal memory (GB) | 16 | 16 |
| Memory clock speed (MHz) | 1,600 | 1,600 |
| Internal memory (GB) | 16 | 16 |
| Display | | |
| Display diagonal (inch) | 12.5 | 12.5 |
| Panel type | IPS | - |
| HD type | Full HD | Full HD |
| LED backlight | + | + |
| Touchscreen | + | + |
| Display resolution | 1920 x 1080 pixels | 1920 x 1080 pixels |
| Graphics | | |
| On-board graphics adapter | + | + |
| Discrete graphics adapter | - | - |
| On-board graphics adapter base frequency (MHz) | 300 | 300 |
| Maximum on-board graphics adapter memory (GB) | 74 | 32 |
| On-board graphics adapter model | Intel HD Graphics 515 | Intel HD Graphics 620 |
| Storage | | |
| Total storage capacity (GB) | 512 | 512 |
| Storage media | SSD | SSD |
| Optical drive | - | - |
| Networking | | |
| Wi-Fi standards | - 802.11a
- 802.11b
- 802.11g
- wi-fi 4 (802.11n)
- wi-fi 5 (802.11ac)
| - 802.11a
- 802.11g
- wi-fi 4 (802.11n)
- wi-fi 5 (802.11ac)
|
| Bluetooth | + | + |
| Ethernet LAN | + | - |
| Ethernet LAN data rates (Mbit/s) | | - |
| Wi-Fi | + | + |
| 4g | - | - |
| 3g | - | - |
| Bluetooth version | 4.0 | 4.2 |
| Ports and interfaces | | |
| USB 3.x Type-A ports | 2 | 1 |
| USB 3.x Type-C ports | 1 | 1 |
| Combo headphone/mic port | + | + |
| USB Sleep-and-Charge | - | + |
| DVI port | - | - |
| HDMI ports quantity | 1 | - |
| Ethernet LAN (RJ-45) ports | 1 | - |
| Audio | | |
| Built-in microphone | + | + |
| Camera | | |
| Front camera | + | + |
| Keyboard | | |
| Numeric keypad | - | - |
| Keyboard backlit | - | + |
| Full-size keyboard | - | + |
| Pointing device | Clickpad | - |
| Software | | |
| Operating system installed | Windows 10 Pro | Windows 10 Pro |
| Operating system architecture (bit) | 64 | 64 |
| Battery | | |
| Battery life (max) (h) | 19 | 14.5 |
| Weight and dimensions | | |
| Weight (kg) | 1.51 | 1.1 |
| Height (mm) | - | 15.4 |
| Depth (mm) | 215.2 | 219 |
| Width (mm) | 309 | 299 |
| Security | | |
| Cable lock slot | + | + |
| Fingerprint reader | - | + |