| Attribute |
Lenovo ThinkPad X1 Carbon (20KH006QAU) × | 
Microsoft Surface Laptop Surface Laptop 4 (5D1-00011) × |
| General | | |
| Model | Lenovo ThinkPad X1 Carbon | Microsoft Surface Laptop Surface Laptop 4 |
| Product code | 20KH006QAU | 5D1-00011 |
| Design | | |
| Product colour | Black | Black |
| Form factor | Clamshell | Clamshell |
| Brand | Lenovo | Microsoft |
| Family | ThinkPad | Surface Laptop |
| Series | X | 4 |
| Model name | X1 Carbon | Surface Laptop 4 |
| Part number | 20KH006QAU | 5D1-00011 |
| Market positioning | Business | Business |
| Release year (year) | 2018 | 2021 |
| Processor | | |
| Processor manufacturer | - | Intel |
| Processor family | 8th gen Intel Core i5 | 11th gen Intel Core i7 |
| Processor frequency (GHz) | 1.6 | 3 |
| Processor boost frequency (GHz) | 3.4 | 4.8 |
| Processor model | i5-8250U | i7-1185G7 |
| Processor cores | 4 | 4 |
| Processor threads | 8 | - |
| Processor cache (MB) | 6 | 12 |
| Memory | | |
| Internal memory type | LPDDR3-SDRAM | LPDDR4x-SDRAM |
| Maximum internal memory (GB) | 8 | - |
| Internal memory (GB) | 8 | 16 |
| Display | | |
| Display diagonal (inch) | 14 | 13.5 |
| Panel type | IPS | - |
| HD type | Full HD | - |
| LED backlight | + | - |
| Touchscreen | + | + |
| Display resolution | 1920 x 1080 pixels | 2256 x 1504 pixels |
| Graphics | | |
| On-board graphics adapter | + | + |
| Discrete graphics adapter | - | - |
| On-board graphics adapter model | Intel UHD Graphics 620 | Intel Iris Xe Graphics |
| Storage | | |
| Total storage capacity (GB) | 256 | 256 |
| Number of SSDs installed | 1 | 1 |
| SSD capacity (GB) | 256 | 256 |
| Card reader integrated | + | - |
| Storage media | SSD | SSD |
| Optical drive | - | - |
| Networking | | |
| Wi-Fi standards | - ieee 802.11a
- ieee 802.11ac
- ieee 802.11b
- ieee 802.11g
- ieee 802.11n
| |
| Bluetooth | + | + |
| Ethernet LAN | - | - |
| Wi-Fi | + | - |
| 4g | + | - |
| 3g | + | - |
| Bluetooth version | 4.1 | 5.0 |
| Ports and interfaces | | |
| USB 3.x Type-A ports | 2 | 1 |
| USB 3.x Type-C ports | 2 | 1 |
| Combo headphone/mic port | + | - |
| USB Sleep-and-Charge | + | - |
| HDMI ports quantity | 1 | - |
| Audio | | |
| Speaker power (W) | 1 | - |
| Built-in microphone | + | + |
| Camera | | |
| Front camera | + | + |
| Front camera HD type | HD | HD |
| Front camera resolution (pixels) | - | 1280 x 720 |
| Keyboard | | |
| Numeric keypad | - | - |
| Keyboard backlit | + | + |
| Pointing device | ThinkPad UltraNav | Trackpad |
| Software | | |
| Operating system installed | Windows 10 Pro | Windows 10 Pro |
| Operating system architecture (bit) | 64 | 64 |
| Battery | | |
| Battery capacity (watt-hours) (Wh) | 57 | 47 |
| Battery life (max) (h) | 19.3 | 17 |
| Weight and dimensions | | |
| Weight (kg) | 1.13 | 1.29 |
| Height (mm) | 15.9 | 14.5 |
| Depth (mm) | 217.1 | 223 |
| Width (mm) | 323.5 | 308 |
| Security | | |
| Cable lock slot | + | - |
| Fingerprint reader | + | - |
| Trusted platform module (TPM) | - | + |