| Attribute |
Lenovo ThinkPad X1 Carbon (20BTS0W70E) × | 
Toshiba Portégé X20W-D1252LA (PRT13U-069015) × |
| General | | |
| Model | Lenovo ThinkPad X1 Carbon | Toshiba Portégé X20W-D1252LA |
| Product code | 20BTS0W70E | PRT13U-069015 |
| Design | | |
| Product colour | Black | Black |
| Form factor | Clamshell | Convertible (Folder) |
| Brand | Lenovo | Toshiba |
| Family | ThinkPad | Portégé |
| Series | X | - |
| Model name | X1 Carbon | X20W-D1252LA |
| Part number | 20BTS0W70E | PRT13U-069015 |
| Release year (year) | 2018 | 2018 |
| Processor | | |
| Processor manufacturer | - | Intel |
| Processor family | 5th gen Intel Core i5 | 7th gen Intel Core i5 |
| Processor frequency (GHz) | 2.3 | 2.6 |
| Processor boost frequency (GHz) | 2.9 | 3.5 |
| Processor model | i5-5300U | i5-7300U |
| Processor cores | 2 | 2 |
| Processor threads | 4 | 4 |
| Processor lithography (Nm) | 14 | 14 |
| Processor socket | BGA 1168 | BGA 1356 |
| Processor cache (MB) | 3 | 3 |
| Memory | | |
| Internal memory type | DDR3L-SDRAM | LPDDR3-SDRAM |
| Maximum internal memory (GB) | 8 | 8 |
| Memory clock speed (MHz) | 1,600 | 1,600 |
| Internal memory (GB) | 8 | 8 |
| Display | | |
| Display diagonal (inch) | 14 | 12.5 |
| Panel type | IPS | - |
| HD type | Wide Quad HD | Full HD |
| LED backlight | + | + |
| Touchscreen | + | + |
| Display resolution | 2560 x 1440 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) | 16 | 32 |
| On-board graphics adapter model | Intel HD Graphics 5500 | Intel HD Graphics 620 |
| Storage | | |
| Total storage capacity (GB) | 240 | 256 |
| Number of SSDs installed | 1 | 1 |
| SSD capacity (GB) | 240 | 256 |
| Card reader integrated | - | - |
| Storage media | SSD | SSD |
| Optical drive | - | - |
| Networking | | |
| Wi-Fi standards | - | - 802.11a
- 802.11g
- wi-fi 4 (802.11n)
- wi-fi 5 (802.11ac)
|
| Bluetooth | + | + |
| Ethernet LAN | - | - |
| Wi-Fi | + | + |
| Bluetooth version | 4.0 | - |
| Ports and interfaces | | |
| USB 3.x Type-A ports | 2 | 1 |
| USB 3.x Type-C ports | - | 1 |
| Combo headphone/mic port | + | + |
| Docking connector | + | - |
| USB Sleep-and-Charge | + | + |
| DVI port | - | - |
| HDMI ports quantity | 1 | - |
| Audio | | |
| Speaker power (W) | 1 | - |
| Built-in microphone | + | + |
| Camera | | |
| Front camera | + | + |
| Front camera resolution (numeric) (MPixel) | - | 0.9 |
| Front camera HD type | - | HD |
| Front camera resolution (pixels) | - | 1280 x 720 |
| Keyboard | | |
| Numeric keypad | - | - |
| Keyboard backlit | + | + |
| Pointing device | ThinkPad UltraNav | Touchpad |
| Software | | |
| Operating system installed | Windows 8.1 Pro | Windows 10 Pro |
| Operating system architecture (bit) | 64 | 64 |
| Battery | | |
| Battery capacity (watt-hours) (Wh) | 50 | 44 |
| Battery life (max) (h) | - | 15 |
| Weight and dimensions | | |
| Weight (kg) | 1.44 | 1.1 |
| Height (mm) | 18.5 | 15.4 |
| Depth (mm) | 227.1 | 219 |
| Width (mm) | 331 | 299 |
| Security | | |
| Cable lock slot | + | + |
| Fingerprint reader | + | + |
| Trusted platform module (TPM) | - | + |