Side by side comparison and review of Lenovo ThinkPad X1 Carbon (1st Gen) and Lenovo ThinkPad T440s. 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 T440s based on its technical characteristics, features, user experience, expert reviews and price level.
durable build quality
excellent keyboard feel
efficient power management
solid security features
good connectivity options
average display quality
modest graphics performance
heavier than competitors
outdated design aesthetics
DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad T440s |
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Product Type | Ultrabook | Ultrabook |
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Dimensions (WxDxH) | 33.1 cm x 22.6 cm x 1.88 cm | 33.1 cm x 22.6 cm x 2.065 cm |
Weight | 1.36 kg | 1.59 kg |
Case Material | Carbon fibre, magnesium-aluminum alloy | Polycarbonate ABS |
DISPLAY | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad T440s |
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Screen Size (Type) | 14" | 14" - IPS |
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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 | Anti-glare |
PROCESSOR | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad T440s |
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CPU | Intel Core i5 (3rd Gen) 3427U / 1.8 GHz | Intel Core i5 (4th Gen) 4300U / 1.9 GHz |
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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 | Integrated memory controller |
MEMORY | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad T440s |
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RAM | 4 GB (provided memory is soldered) | 4 GB |
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Max RAM Supported | - | 12 GB |
RAM Type | DDR3L SDRAM | DDR3L SDRAM |
Speed | 1333 MHz / PC3L-10600 | 1600 MHz |
Rated Speed | 1333 MHz | - |
Form Factor | Integrated | SO-DIMM 204-pin |
STORAGE | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad T440s |
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Main Storage Size (HDD/SSD) | 128 GB SSD SATA 6Gb/s | 120 GB SSD |
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AUDIO & VIDEO | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad T440s |
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Graphics Processor (GPU) | Intel HD Graphics 4000 | Intel HD Graphics 4400 |
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Camera | Yes | Yes - 720p |
Camera Features | Face tracking | 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 | High Definition Audio, Dolby Home Theater v4 |
COMMUNICATIONS | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad T440s |
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Wireless | 802.11a/b/g/n, Bluetooth 4.0 | - |
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Wireless Controller | Intel Centrino Advanced-N 6205S - PCI Express Mini Card | - |
Network Interface | - | Gigabit Ethernet |
WWAN |
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Generation | 3G | - |
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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 T440s |
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Technology | 4-cell lithium polymer | 3-cell Lithium Ion |
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Installed Qty | - | 2 |
Max Supported Qty | - | 2 |
Battery Capacity (Size) | 45.8 Wh | - |
Battery Life | Up to 8.2 hours | - |
AC ADAPTER | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad T440s |
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Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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Output | 90 Watt | 45 Watt |
INPUT | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad T440s |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
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Features | Volume control, spill-resistant, multi-touch touchpad, buttonless touchpad | Spill-resistant, multi-touch touchpad |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad T440s |
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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 USB 3.0 (Always On) |
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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 T440s |
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Operating System (OS) | Windows 8 64-bit Edition | Windows 10 Pro 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) |
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MISCELLANEOUS | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad T440s |
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Dockable | - | Yes |
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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 | Administrator password, hard drive password, power-on password, MIL-STD-810G tested |
Navigation Receiver | GPS | - |
Compliant Standards | RoHS | ISO 9001, ISO 14001, WEEE, ISO 27001 |
ENERGY STAR Certified | Yes | Yes |
EPEAT Compliant | EPEAT Gold | - |
Manufacturer Warranty | Limited warranty - 3 years - pick-up and return | Limited warranty - 2 years - pick-up and return |