In depth comparison and review of Lenovo ThinkPad X240 and Lenovo ThinkPad X1 Carbon (2nd 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.
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X240 | Lenovo ThinkPad X1 Carbon (2nd Gen) |
|---|
| Product Type | Ultrabook | Ultrabook |
|---|---|---|
| Dimensions (WxDxH) | 30.48 cm x 20.83 cm x 2.03 cm | 33.1 cm x 22.65 cm x 1.772 cm |
| Weight | 1.42 kg | 1.34 kg |
| Case Material | - | Glass-fibre reinforced plastic, carbon fibre reinforced plastic, magnesium-aluminum alloy |
| DISPLAY | Lenovo ThinkPad X240 | Lenovo ThinkPad X1 Carbon (2nd Gen) |
|---|
| Screen Size (Type) | 12.5" | 14" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1366 x 768 (HD) | 1600 x 900 (HD+) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Features | - | Anti-glare |
| PROCESSOR | Lenovo ThinkPad X240 | Lenovo ThinkPad X1 Carbon (2nd Gen) |
|---|
| CPU | Intel Core i5 (4th Gen) 4300U / 1.9 GHz | Intel Core i7 (4th Gen) 4600U / 2.1 GHz |
|---|---|---|
| Max Turbo Speed | 2.9 GHz | 3.3 GHz |
| Number of Cores | Dual-Core | Dual-Core |
| Cache | 3 MB | 4 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 (2nd Gen) |
|---|
| RAM | 4 GB | 8 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR3 SDRAM | DDR3L SDRAM |
| Speed | - | 1600 MHz / PC3L-12800 |
| Rated Speed | - | 1600 MHz |
| Form Factor | SO-DIMM 204-pin | - |
| STORAGE | Lenovo ThinkPad X240 | Lenovo ThinkPad X1 Carbon (2nd Gen) |
|---|
| Main Storage Size (HDD/SSD) | 120 GB SSD | 120 GB SSD |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X240 | Lenovo ThinkPad X1 Carbon (2nd Gen) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4400 | Intel HD Graphics 4400 |
|---|---|---|
| Camera | Yes | Yes - 720p |
| Camera Features | - | Face tracking, gesture input support |
| Sound | - | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3232 |
| Compliant Standards | - | High Definition Audio, Dolby Home Theater v4 |
| COMMUNICATIONS | Lenovo ThinkPad X240 | Lenovo ThinkPad X1 Carbon (2nd Gen) |
|---|
| Wireless | 802.11a/b/g/n | Bluetooth, Wi-Fi |
|---|---|---|
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| WWAN |
|---|
| Generation | - | WWAN upgradable |
|---|
| BATTERY | Lenovo ThinkPad X240 | Lenovo ThinkPad X1 Carbon (2nd Gen) |
|---|
| Technology | - | Lithium Ion |
|---|
| AC ADAPTER | Lenovo ThinkPad X240 | Lenovo ThinkPad X1 Carbon (2nd Gen) |
|---|
| Input | - | AC 120/230 V (50/60 Hz) |
|---|
| INPUT | Lenovo ThinkPad X240 | Lenovo ThinkPad X1 Carbon (2nd Gen) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | - | Spill-resistant, multi-touch touchpad, adaptive keyboard |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X240 | Lenovo ThinkPad X1 Carbon (2nd Gen) |
|---|
| Interfaces | Dock | USB 3.0 Mini DisplayPort HDMI Headphone/microphone combo jack Lenovo Ethernet extension connector OneLink connector USB 3.0 (Always On) |
|---|
| SOFTWARE | Lenovo ThinkPad X240 | Lenovo ThinkPad X1 Carbon (2nd Gen) |
|---|
| Operating System (OS) | Windows 10 Pro | Windows 10 Home (Microsoft Authorized Refurbisher (MAR)) |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X240 | Lenovo ThinkPad X1 Carbon (2nd Gen) |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Integrated Options | - | Ambient light sensor |
| Security | - | Trusted Platform Module (TPM 1.2) Security Chip |
| 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, 1 USB 3.0 (Always On), voice input support, MIL-STD-810G tested |
| Compliant Standards | ISO 9001, ISO 14001, ISO 27001 | ISO 9001, ISO 14001, RoHS, 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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