In depth comparison and review of Lenovo ThinkPad X1 Carbon (2nd Gen) and Lenovo ThinkPad X1 Carbon (4th Gen). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.
Advantages and disadvantages of Lenovo ThinkPad X1 Carbon (2nd Gen) based on its technical characteristics, features, user experience, expert reviews and price level.
robust carbon-fiber construction
excellent keyboard feel
lightweight and portable
high-resolution display
good battery life
higher price point
no touch screen option
limited storage capacity
average graphics performance
Advantages and disadvantages of Lenovo ThinkPad X1 Carbon (4th Gen) based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight design
robust build quality
excellent keyboard
fast ssd storage
good battery life
expensive price point
average display brightness
limited graphics performance
no touchscreen option
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Carbon (2nd Gen) | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Product Type | Ultrabook | Ultrabook |
|---|---|---|
| Dimensions (WxDxH) | 33.1 cm x 22.65 cm x 1.772 cm | 33.3 cm x 22.9 cm x 1.645 cm |
| Weight | 1.34 kg | 1.17 kg |
| Case Material | Glass-fibre reinforced plastic, carbon fibre reinforced plastic, magnesium-aluminum alloy | Magnesium alloy, carbon fibre reinforced plastic |
| DISPLAY | Lenovo ThinkPad X1 Carbon (2nd Gen) | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Screen Size (Type) | 14" | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1600 x 900 (HD+) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | - | 300 cd/m² |
| Features | Anti-glare | Anti-glare |
| PROCESSOR | Lenovo ThinkPad X1 Carbon (2nd Gen) | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| CPU | Intel Core i7 (4th Gen) 4600U / 2.1 GHz | Intel Core i5 (6th Gen) 6200U / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 3.3 GHz | 2.8 GHz |
| Number of Cores | Dual-Core | Dual-Core |
| Cache | 4 MB | 3 MB |
| 64-bit Computing | Yes | Yes |
| 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 (2nd Gen) | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| RAM | 8 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR3L SDRAM | LPDDR3 SDRAM |
| Speed | 1600 MHz / PC3L-12800 | 1866 MHz |
| Rated Speed | 1600 MHz | 1866 MHz |
| STORAGE | Lenovo ThinkPad X1 Carbon (2nd Gen) | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Main Storage Size (HDD/SSD) | 120 GB SSD | 256 GB SSD |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Carbon (2nd Gen) | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4400 | Intel HD Graphics 520 |
|---|---|---|
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | Face tracking, gesture input support | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3232 | CX11852 |
| Compliant Standards | High Definition Audio, Dolby Home Theater v4 | High Definition Audio |
| COMMUNICATIONS | Lenovo ThinkPad X1 Carbon (2nd Gen) | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Wireless | Bluetooth, Wi-Fi | - |
|---|---|---|
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| WWAN |
|---|
| Generation | WWAN upgradable | - |
|---|
| BATTERY | Lenovo ThinkPad X1 Carbon (2nd Gen) | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Technology | Lithium Ion | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | - | 52 Wh |
| Battery Life | - | Up to 11 hours |
| AC ADAPTER | Lenovo ThinkPad X1 Carbon (2nd Gen) | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|
| INPUT | Lenovo ThinkPad X1 Carbon (2nd Gen) | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, adaptive keyboard | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Carbon (2nd Gen) | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Interfaces | USB 3.0 Mini DisplayPort HDMI Headphone/microphone combo jack Lenovo Ethernet extension connector OneLink connector USB 3.0 (Always On) |
2 x USB 3.0 Mini DisplayPort HDMI OneLink+ connector Headphone/microphone combo jack USB 3.0 (Always On) LAN (on supplied adapter) |
|---|---|---|
| Memory Card Reader | - | Yes (microSDXC UHS-II) |
| SOFTWARE | Lenovo ThinkPad X1 Carbon (2nd Gen) | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Operating System (OS) | Windows 10 Home (Microsoft Authorized Refurbisher (MAR)) | Windows 10 Pro (Microsoft Authorized Refurbisher (MAR)) |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X1 Carbon (2nd Gen) | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Integrated Options | Ambient light sensor | - |
| Security | Trusted Platform Module (TPM 1.2) Security Chip | Trusted Platform Module (TPM 1.2) Security Chip, fingerprint reader |
| Security Slot Type | Kensington security slot | Kensington 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, RapidCharge, reset switch, 1 USB 3.0 (Always On), voice input support, MIL-STD-810G tested | Administrator password, hard drive password, power-on password, RapidCharge, reset switch, ThinkEngine, MIL-STD-810G tested |
| Compliant Standards | ISO 9001, ISO 14001, RoHS, ISO 27001 | ISO 9001, ISO 14001, RoHS, GREENGUARD, ISO 27001 |
| ENERGY STAR Certified | Yes | Yes |
| Manufacturer Warranty | Limited warranty - 2 years - pick-up and return | Limited warranty - 2 years - pick-up and return |
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