| Attribute |
Dynabook Portégé X20W-D-12J (PRT12E-08H00MIT) × | 
Toshiba Portégé Portégé Z20t-C-144 (PT16BE-00W08DEN) × |
| General | | |
| Model | Dynabook Portégé X20W-D-12J | Toshiba Portégé Portégé Z20t-C-144 |
| Product code | PRT12E-08H00MIT | PT16BE-00W08DEN |
| Design | | |
| Product colour | Blue | Black, Graphite |
| Form factor | Convertible (Folder) | Convertible (Detachable) |
| Brand | Dynabook | Toshiba |
| Family | Portégé | Portégé |
| Model name | X20W-D-12J | Portégé Z20t-C-144 |
| Part number | PRT12E-08H00MIT | PT16BE-00W08DEN |
| Release year (year) | 2017 | 2017 |
| Processor | | |
| Processor manufacturer | Intel | Intel |
| Processor family | 7th gen Intel Core i7 | Intel Core M |
| Processor frequency (GHz) | 2.7 | 1.2 |
| Processor boost frequency (GHz) | 3.5 | 3.1 |
| Processor model | i7-7500U | m7-6Y75 |
| Processor cores | 2 | 2 |
| Processor threads | 4 | 4 |
| Processor lithography (Nm) | 14 | 14 |
| Processor socket | BGA 1356 | BGA 1515 |
| 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 |
| 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) | 32 | 74 |
| On-board graphics adapter model | Intel HD Graphics 620 | Intel HD Graphics 515 |
| Storage | | |
| Total storage capacity (GB) | 512 | 512 |
| Storage media | SSD | SSD |
| Networking | | |
| Wi-Fi standards | - 802.11a
- 802.11g
- wi-fi 4 (802.11n)
- wi-fi 5 (802.11ac)
| - 802.11a
- 802.11b
- 802.11g
- wi-fi 4 (802.11n)
- wi-fi 5 (802.11ac)
|
| Bluetooth | + | + |
| Ethernet LAN | - | + |
| Wi-Fi | + | + |
| 4g | - | + |
| 3g | - | + |
| Bluetooth version | 4.2 | - |
| Ports and interfaces | | |
| USB 3.x Type-A ports | 1 | 2 |
| 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 | + | - |
| Software | | |
| Operating system installed | Windows 10 Pro | Windows 10 Pro |
| Operating system architecture (bit) | 64 | - |
| Battery | | |
| Battery life (max) (h) | 14.5 | - |
| Weight and dimensions | | |
| Weight (kg) | 1.1 | 1.51 |
| Height (mm) | 15.4 | - |
| Depth (mm) | 219 | 215.2 |
| Width (mm) | 299 | 309 |
| Security | | |
| Cable lock slot | + | + |
| Fingerprint reader | + | - |