Side by side comparison and review of Lenovo ThinkPad X1 Carbon (1st Gen) and Lenovo ThinkPad T440. 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 T440 |
|---|
| Product Type | Ultrabook | Ultrabook |
|---|---|---|
| Dimensions (WxDxH) | 33.1 cm x 22.6 cm x 1.88 cm | 33.9 cm x 23.25 cm x 2.1 cm |
| Weight | 1.36 kg | 1.81 kg |
| Case Material | Carbon fibre, magnesium-aluminum alloy | - |
| DISPLAY | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad T440 |
|---|
| Screen Size (Type) | 14" | 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 | Premium | - |
| PROCESSOR | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad T440 |
|---|
| CPU | Intel Core i5 (3rd Gen) 3427U / 1.8 GHz | Intel Core i5 (4th Gen) 4300U / 1.9 GHz |
|---|---|---|
| Max Turbo Speed | 2.8 GHz | 2.9 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 |
| MEMORY | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad T440 |
|---|
| RAM | 4 GB (provided memory is soldered) | 4 GB (1 x 4 GB) |
|---|---|---|
| Max RAM Supported | - | 8 GB |
| RAM Type | DDR3L SDRAM | DDR3L SDRAM |
| Speed | 1333 MHz / PC3L-10600 | - |
| Rated Speed | 1333 MHz | - |
| Form Factor | Integrated | SO-DIMM 204-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 0 |
| STORAGE | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad T440 |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD SATA 6Gb/s | 240 GB SSD |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad T440 |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4000 | Intel HD Graphics 4400 |
|---|---|---|
| Camera | Yes | Yes |
| Camera Features | Face tracking | - |
| Video Resolutions | 1280 x 720 | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3202 | Realtek ALC3232 |
| Compliant Standards | High Definition Audio, Dolby Home Theater v4 | - |
| COMMUNICATIONS | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad T440 |
|---|
| Wireless | 802.11a/b/g/n, Bluetooth 4.0 | - |
|---|---|---|
| Wireless Controller | Intel Centrino Advanced-N 6205S - PCI Express Mini Card | - |
| Network Interface | - | Gigabit Ethernet |
| WWAN |
|---|
| Generation | 3G | - |
|---|---|---|
| Technology | GPRS, WCDMA, HSPA, HSPA+ | - |
| Controller | Ericsson H5321gw - PCI Express Mini Card | - |
| Max Transfer Rate | 21 Mbps | - |
| BATTERY | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad T440 |
|---|
| Technology | 4-cell lithium polymer | - |
|---|---|---|
| Battery Capacity (Size) | 45.8 Wh | - |
| Battery Life | Up to 8.2 hours | - |
| AC ADAPTER | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad T440 |
|---|
| Input | AC 120/230 V (50/60 Hz) | - |
|---|---|---|
| Output | 90 Watt | - |
| INPUT | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad T440 |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Features | Volume control, spill-resistant, multi-touch touchpad, buttonless touchpad | Multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad T440 |
|---|
| Interfaces | USB 3.0 PoweredUSB 2.0 Mini DisplayPort Headphone/microphone combo jack |
2 x USB 3.0 VGA Mini DisplayPort LAN Dock Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad T440 |
|---|
| Operating System (OS) | Windows 8 64-bit Edition | Windows 10 Pro (Microsoft Authorized Refurbisher (MAR)) |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad T440 |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Security | Trusted Platform Module (TPM 1.2) Security Chip, fingerprint reader | Trusted Platform Module (TPM 1.2) Security Chip |
| Security Slot Type | - | 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, ThinkPad Roll Cage, Intel Active Management Technology (iAMT), RapidCharge | - |
| Navigation Receiver | GPS | - |
| Compliant Standards | RoHS | ISO 9001, ISO 14001, ISO 27001 |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Gold | - |
| Manufacturer Warranty | Limited warranty - 3 years - pick-up and return | Limited warranty - 2 years - pick-up and return |
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