Side by side comparison and review of Lenovo ThinkPad X1 Carbon (4th Gen) and Lenovo ThinkPad X1 Carbon Gen 8 (20U9). 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.
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
Advantages and disadvantages of Lenovo ThinkPad X1 Carbon Gen 8 (20U9) based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight and portable
robust build quality
excellent keyboard feel
impressive battery life
reliable performance
high price point
average display brightness
limited graphics power
no HDMI port
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Carbon (4th Gen) | Lenovo ThinkPad X1 Carbon Gen 8 (20U9) |
|---|
| Product Type | Ultrabook | Ultrabook |
|---|---|---|
| Dimensions (WxDxH) | 33.3 cm x 22.9 cm x 1.645 cm | 32.3 cm x 21.7 cm |
| Weight | 1.17 kg | 1.09 kg |
| Case Material | Magnesium alloy, carbon fibre reinforced plastic | Carbon fibre, magnesium alloy |
| DISPLAY | Lenovo ThinkPad X1 Carbon (4th Gen) | Lenovo ThinkPad X1 Carbon Gen 8 (20U9) |
|---|
| Screen Size (Type) | 14" - IPS | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 300 cd/m² | - |
| Features | Anti-glare | - |
| PROCESSOR | Lenovo ThinkPad X1 Carbon (4th Gen) | Lenovo ThinkPad X1 Carbon Gen 8 (20U9) |
|---|
| CPU | Intel Core i5 (6th Gen) 6200U / 2.3 GHz | No CPU |
|---|---|---|
| Max Turbo Speed | 2.8 GHz | - |
| Number of Cores | Dual-Core | - |
| Cache | 3 MB | - |
| 64-bit Computing | Yes | - |
| Features | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0, Intel Smart Cache | - |
| MEMORY | Lenovo ThinkPad X1 Carbon (4th Gen) | Lenovo ThinkPad X1 Carbon Gen 8 (20U9) |
|---|
| RAM | 8 GB (provided memory is soldered) | (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR3 SDRAM | LPDDR3 SDRAM |
| Speed | 1866 MHz | 2133 MHz |
| Rated Speed | 1866 MHz | 2133 MHz |
| STORAGE | Lenovo ThinkPad X1 Carbon (4th Gen) | Lenovo ThinkPad X1 Carbon Gen 8 (20U9) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD | - |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Carbon (4th Gen) | Lenovo ThinkPad X1 Carbon Gen 8 (20U9) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 520 | Intel UHD Graphics |
|---|---|---|
| Camera | Yes - 720p | - |
| Sound | Stereo speakers, dual array microphone | Four speakers, quad array microphone |
| Codec | CX11852 | USI 4551-513711-00 |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Atmos |
| COMMUNICATIONS | Lenovo ThinkPad X1 Carbon (4th Gen) | Lenovo ThinkPad X1 Carbon Gen 8 (20U9) |
|---|
| Wireless | - | Bluetooth 5.0, 802.11a/b/g/n/ac/ax |
|---|---|---|
| Wireless Controller | - | Intel Wi-Fi 6 AX 201 |
| Network Interface | Gigabit Ethernet | - |
| Features | - | Gigabit Ethernet via optional Ethernet (RJ-45) adapter |
| BATTERY | Lenovo ThinkPad X1 Carbon (4th Gen) | Lenovo ThinkPad X1 Carbon Gen 8 (20U9) |
|---|
| Technology | 4-cell lithium polymer | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 52 Wh | 51 Wh |
| Battery Life | Up to 11 hours | Up to 19.5 hours |
| AC ADAPTER | Lenovo ThinkPad X1 Carbon (4th Gen) | Lenovo ThinkPad X1 Carbon Gen 8 (20U9) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|
| INPUT | Lenovo ThinkPad X1 Carbon (4th Gen) | Lenovo ThinkPad X1 Carbon Gen 8 (20U9) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Carbon (4th Gen) | Lenovo ThinkPad X1 Carbon Gen 8 (20U9) |
|---|
| Interfaces | 2 x USB 3.0 Mini DisplayPort HDMI OneLink+ connector Headphone/microphone combo jack USB 3.0 (Always On) LAN (on supplied adapter) |
USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) 2 x USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) HDMI Headphone/microphone combo jack Lenovo Ethernet extension connector Dock |
|---|---|---|
| Memory Card Reader | Yes (microSDXC UHS-II) | - |
| SOFTWARE | Lenovo ThinkPad X1 Carbon (4th Gen) | Lenovo ThinkPad X1 Carbon Gen 8 (20U9) |
|---|
| Operating System (OS) | Windows 10 Pro (Microsoft Authorized Refurbisher (MAR)) | No operating system |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X1 Carbon (4th Gen) | Lenovo ThinkPad X1 Carbon Gen 8 (20U9) |
|---|
| Dockable | Yes | 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 security slot | 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, RapidCharge, reset switch, ThinkEngine, MIL-STD-810G tested | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested |
| Compliant Standards | ISO 9001, ISO 14001, RoHS, GREENGUARD, ISO 27001 | RoHS |
| SAR Value | - | 1.49 W/kg (body), 1.49 W/kg (limb) |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | - | EPEAT Gold |
| TCO Certified | - | TCO Certified Notebooks 8 |
| Manufacturer Warranty | Limited warranty - 2 years - pick-up and return | - |