Side by side comparison and review of Lenovo ThinkPad X240 and Lenovo ThinkPad X1 Carbon (4th Gen). 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 X240 based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
good battery life
compact and portable
efficient power management
average display quality
limited graphics performance
older processor model
noisy under load
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 X240 | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Product Type | Ultrabook | Ultrabook |
|---|---|---|
| Dimensions (WxDxH) | 30.48 cm x 20.83 cm x 2.03 cm | 33.3 cm x 22.9 cm x 1.645 cm |
| Weight | 1.42 kg | 1.17 kg |
| Case Material | - | Magnesium alloy, carbon fibre reinforced plastic |
| DISPLAY | Lenovo ThinkPad X240 | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Screen Size (Type) | 12.5" | 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 |
| Features | - | Anti-glare |
| PROCESSOR | Lenovo ThinkPad X240 | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| CPU | Intel Core i5 (4th Gen) 4300U / 1.9 GHz | Intel Core i5 (6th Gen) 6200U / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 2.9 GHz | 2.8 GHz |
| Number of Cores | Dual-Core | Dual-Core |
| Cache | 3 MB | 3 MB |
| 64-bit Computing | Yes | Yes |
| Features | Intel Turbo Boost Technology 2.0 | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0, Intel Smart Cache |
| MEMORY | Lenovo ThinkPad X240 | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| RAM | 4 GB | 8 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR3 SDRAM | LPDDR3 SDRAM |
| Speed | - | 1866 MHz |
| Rated Speed | - | 1866 MHz |
| Form Factor | SO-DIMM 204-pin | - |
| STORAGE | Lenovo ThinkPad X240 | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Main Storage Size (HDD/SSD) | 120 GB SSD | 256 GB SSD |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X240 | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4400 | Intel HD Graphics 520 |
|---|---|---|
| Camera | Yes | Yes - 720p |
| Sound | - | Stereo speakers, dual array microphone |
| Codec | - | CX11852 |
| Compliant Standards | - | High Definition Audio |
| COMMUNICATIONS | Lenovo ThinkPad X240 | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Wireless | 802.11a/b/g/n | - |
|---|---|---|
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| BATTERY | Lenovo ThinkPad X240 | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Technology | - | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | - | 52 Wh |
| Battery Life | - | Up to 11 hours |
| AC ADAPTER | Lenovo ThinkPad X240 | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Input | - | AC 120/230 V (50/60 Hz) |
|---|
| INPUT | Lenovo ThinkPad X240 | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | - | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X240 | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Interfaces | Dock | 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 X240 | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Operating System (OS) | Windows 10 Pro | Windows 10 Pro (Microsoft Authorized Refurbisher (MAR)) |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X240 | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Security | - | Trusted Platform Module (TPM 1.2) Security Chip, fingerprint reader |
| Security Slot Type | - | Kensington security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | - | Administrator password, hard drive password, power-on password, RapidCharge, reset switch, ThinkEngine, MIL-STD-810G tested |
| Compliant Standards | ISO 9001, ISO 14001, ISO 27001 | ISO 9001, ISO 14001, RoHS, GREENGUARD, ISO 27001 |
| ENERGY STAR Certified | - | Yes |
| Manufacturer Warranty | Limited warranty - 2 years - pick-up and return | Limited warranty - 2 years - pick-up and return |
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