On this page we compare specs Lenovo ThinkPad X X1 Carbon 20KGS78L0B with other notebooks, we compare screens and performance, the amount of RAM and hard drive memory, external dimensions, battery capacity and the availability of external ports.
| Processor | Lenovo ThinkPad X X1 Carbon 20KGS78L0B | |
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| Processor manufacturer | Intel | |
| Processor model | i5-8250U | |
| Processor socket | BGA 1356 | |
| Processor threads | 8 | |
| Processor cores | 4 | |
| Processor codename | Kaby Lake R | |
| Processor family | Intel Core i5 | |
| Processor frequency | 1.6 GHz | |
| Processor boost frequency | 3.4 GHz | |
| Processor cache | 6 MB | |
| Thermal Design Power (TDP) | 15 W | |
| Software | Lenovo ThinkPad X X1 Carbon 20KGS78L0B | other notebooks |
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| Operating system installed | Windows 10 Pro | |
| Operating system architecture | 64-bit | |
| Display & Graphics | Lenovo ThinkPad X X1 Carbon 20KGS78L0B | other notebooks |
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| Panel type | WVA | |
| Display diagonal | 14 inch | |
| LED backlight | Yes | |
| Memory | Lenovo ThinkPad X X1 Carbon 20KGS78L0B | other notebooks |
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| Internal memory | 8 GB | |
| Maximum internal memory | 8 GB | |
| Memory clock speed | 2133 MHz | |
| Memory form factor | On-board | |
| Internal memory type | LPDDR3-SDRAM | |
| Storage | Lenovo ThinkPad X X1 Carbon 20KGS78L0B | other notebooks |
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| SSD capacity | 256 GB | |
| Storage media | SSD | |
| Number of SSDs installed | 1 | |
| Total SSDs capacity | 256 GB | |
| Total storage capacity | 256 GB | |
| Optical drive type | No | |
| Card reader integrated | Yes | |
| Compatible memory cards | MicroSD (TransFlash) | |
| Network & Communication | Lenovo ThinkPad X X1 Carbon 20KGS78L0B | other notebooks |
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| Antenna type | 2x2 | |
| Bluetooth | Yes | |
| Wi-Fi | Wi-Fi 5 (802.11ac) | |
| Wi-Fi standards | Wi-Fi 5 (802.11ac) | |
| Interfaces/Ports | Lenovo ThinkPad X X1 Carbon 20KGS78L0B | other notebooks |
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| HDMI version | 1.4b | |
| HDMI ports quantity | 1 | |
| Combo headphone/mic port | Yes | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A | 2 | |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C | 2 | |
| Input Devices | Lenovo ThinkPad X X1 Carbon 20KGS78L0B | other notebooks |
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| Keyboard backlit | Yes | |
| Numeric keypad | No | |
| Pointing device | ThinkPad UltraNav | |
| Spill resistant keyboard | Yes | |
| Audio | Lenovo ThinkPad X X1 Carbon 20KGS78L0B | other notebooks |
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| Audio chip | Realtek ALC3286 | |
| Built-in microphone | Yes | |
| Number of speakers | 2 | |
| Number of microphones | 2 | |
| Speaker power | 1 W | |
| Built-in Devices | Lenovo ThinkPad X X1 Carbon 20KGS78L0B | other notebooks |
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| Front camera | Yes | |
| Security | Lenovo ThinkPad X X1 Carbon 20KGS78L0B | other notebooks |
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| Cable lock slot | Yes | |
| Fingerprint reader | Yes | |
| Password protection | Yes | |
| Trusted Platform Module (TPM) | Yes | |
| Design | Lenovo ThinkPad X X1 Carbon 20KGS78L0B | other notebooks |
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| Product type | Notebook | |
| Form factor | Clamshell | |
| Product colour | Black | |
| Market positioning | Business | |
| Depth | 217.1 mm | |
| Width | 323.5 mm | |
| Height | 15.9 mm | |
| Weight | 1.13 kg | |
| Battery Information | Lenovo ThinkPad X X1 Carbon 20KGS78L0B | other notebooks |
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| Battery capacity | 57 Wh | |
| Battery type | Lithium-Ion (Li-Ion) | |
| Battery life | 19.3 h | |
