Side by side comparison and review of Lenovo ThinkPad X1 Carbon (1st Gen) and Lenovo ThinkPad X1 Carbon (6th Gen) (20KG). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad X1 Carbon (6th Gen) (20KG) |
|---|
| Product Type | Ultrabook | Ultrabook |
|---|---|---|
| Dimensions (WxDxH) | 33.1 cm x 22.6 cm x 1.88 cm | 32.35 cm x 21.71 cm x 1.595 cm |
| Weight | 1.36 kg | 1.13 kg |
| Case Material | Carbon fibre, magnesium-aluminum alloy | Glass-fibre reinforced plastic, magnesium alloy, carbon fibre reinforced plastic, polyphenylene sulfide |
| Colour | - | Black |
| DISPLAY | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad X1 Carbon (6th Gen) (20KG) |
|---|
| Screen Size (Type) | 14" | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1366 x 768 (HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | - | 300 cd/m² |
| Colour Gamut | - | 72% |
| Features | Premium | Anti-glare |
| PROCESSOR | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad X1 Carbon (6th Gen) (20KG) |
|---|
| CPU | Intel Core i5 (3rd Gen) 3427U / 1.8 GHz | Intel Core i5 (7th Gen) 7300U / 2.6 GHz |
|---|---|---|
| Max Turbo Speed | 2.8 GHz | 3.5 GHz |
| Number of Cores | Dual-Core | Dual-Core |
| Cache | 3 MB | 3 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | Mobile Intel QS77 Express | - |
| Platform Technology | Intel vPro Platform | - |
| Features | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0, Intel Smart Cache | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0, Intel Smart Cache |
| MEMORY | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad X1 Carbon (6th Gen) (20KG) |
|---|
| RAM | 4 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR3L SDRAM | LPDDR3 SDRAM |
| Speed | 1333 MHz / PC3L-10600 | 1866 MHz |
| Rated Speed | 1333 MHz | 2133 MHz |
| Form Factor | Integrated | - |
| STORAGE | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad X1 Carbon (6th Gen) (20KG) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD SATA 6Gb/s | 256 GB SSD M.2 PCIe - TCG Opal Encryption, NVM Express (NVMe) - Samsung |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad X1 Carbon (6th Gen) (20KG) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4000 | Intel HD Graphics 620 |
|---|---|---|
| Camera | Yes | Yes - 720p |
| Camera Features | Face tracking | ThinkShutter camera privacy |
| Video Resolutions | 1280 x 720 | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3202 | Realtek ALC3286 |
| Compliant Standards | High Definition Audio, Dolby Home Theater v4 | High Definition Audio, Dolby Audio Premium |
| COMMUNICATIONS | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad X1 Carbon (6th Gen) (20KG) |
|---|
| Wireless | 802.11a/b/g/n, Bluetooth 4.0 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | Intel Centrino Advanced-N 6205S - PCI Express Mini Card | Intel Dual Band Wireless-AC 8265 - M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Features | - | Gigabit Ethernet via optional Ethernet (RJ-45) adapter |
| WWAN |
|---|
| Generation | 3G | 4G |
|---|---|---|
| Technology | GPRS, WCDMA, HSPA, HSPA+ | LTE Advanced |
| Controller | Ericsson H5321gw - PCI Express Mini Card | FIBOCOM L850-GL - M.2 Card |
| Max Transfer Rate | 21 Mbps | - |
| BATTERY | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad X1 Carbon (6th Gen) (20KG) |
|---|
| Technology | 4-cell lithium polymer | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 45.8 Wh | 57 Wh |
| Battery Life | Up to 8.2 hours | Up to 19.3 hours |
| AC ADAPTER | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad X1 Carbon (6th Gen) (20KG) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 90 Watt | 45 Watt, 5 / 9 / 15 / 20 V |
| INPUT | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad X1 Carbon (6th Gen) (20KG) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Volume control, spill-resistant, multi-touch touchpad, buttonless touchpad | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad X1 Carbon (6th Gen) (20KG) |
|---|
| Slots | - | 1 x Nano-SIM card (1 free) |
|---|---|---|
| Interfaces | USB 3.0 PoweredUSB 2.0 Mini DisplayPort Headphone/microphone combo jack |
USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) 2 x USB-C 3.1 Gen 2 (supports Thunderbolt 3) HDMI Headphone/microphone combo jack Lenovo Ethernet extension connector Dock |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (microSDXC UHS-II) |
| SOFTWARE | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad X1 Carbon (6th Gen) (20KG) |
|---|
| Operating System (OS) | Windows 8 64-bit Edition | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad X1 Carbon (6th Gen) (20KG) |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | Power adapter | USB-C power adapter |
| Security | Trusted Platform Module (TPM 1.2) Security Chip, fingerprint reader | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | - | Kensington mini security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | Administrator password, hard drive password, power-on password, ThinkPad Roll Cage, Intel Active Management Technology (iAMT), RapidCharge | Administrator password, hard drive password, power-on password, MIL-STD-810G tested |
| Navigation Receiver | GPS | - |
| Compliant Standards | RoHS | RoHS |
| SAR Value | - | 1.514 W/kg (body), 1.514 W/kg (limb) |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | EPEAT Gold | - |
| Manufacturer Warranty | Limited warranty - 3 years - pick-up and return | - |
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