Detailed comparison and review of Lenovo ThinkPad T440s and Lenovo ThinkPad X1 Carbon (4th Gen). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
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outdated design aesthetics
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 T440s | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Product Type | Ultrabook | Ultrabook |
|---|---|---|
| Dimensions (WxDxH) | 33.1 cm x 22.6 cm x 2.065 cm | 33.3 cm x 22.9 cm x 1.645 cm |
| Weight | 1.59 kg | 1.17 kg |
| Case Material | Polycarbonate ABS | Magnesium alloy, carbon fibre reinforced plastic |
| DISPLAY | Lenovo ThinkPad T440s | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Screen Size (Type) | 14" - IPS | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1600 x 900 (HD+) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | - | 300 cd/m² |
| Features | Anti-glare | Anti-glare |
| PROCESSOR | Lenovo ThinkPad T440s | 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 | Integrated memory controller | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0, Intel Smart Cache |
| MEMORY | Lenovo ThinkPad T440s | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| RAM | 4 GB | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 12 GB | - |
| RAM Type | DDR3L SDRAM | LPDDR3 SDRAM |
| Speed | 1600 MHz | 1866 MHz |
| Rated Speed | - | 1866 MHz |
| Form Factor | SO-DIMM 204-pin | - |
| STORAGE | Lenovo ThinkPad T440s | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Main Storage Size (HDD/SSD) | 120 GB SSD | 256 GB SSD |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T440s | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4400 | Intel HD Graphics 520 |
|---|---|---|
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | Face tracking | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3232 | CX11852 |
| Compliant Standards | High Definition Audio, Dolby Home Theater v4 | High Definition Audio |
| COMMUNICATIONS | Lenovo ThinkPad T440s | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
|---|
| BATTERY | Lenovo ThinkPad T440s | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Technology | 3-cell Lithium Ion | 4-cell lithium polymer |
|---|---|---|
| Installed Qty | 2 | - |
| Max Supported Qty | 2 | - |
| Battery Capacity (Size) | - | 52 Wh |
| Battery Life | - | Up to 11 hours |
| AC ADAPTER | Lenovo ThinkPad T440s | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt | - |
| INPUT | Lenovo ThinkPad T440s | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Spill-resistant, multi-touch touchpad | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T440s | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Interfaces | 2 x USB 3.0 VGA Mini DisplayPort LAN Dock Headphone/microphone combo jack USB 3.0 (Always On) |
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 | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (microSDXC UHS-II) |
| SOFTWARE | Lenovo ThinkPad T440s | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) | Windows 10 Pro (Microsoft Authorized Refurbisher (MAR)) |
|---|
| MISCELLANEOUS | Lenovo ThinkPad T440s | Lenovo ThinkPad X1 Carbon (4th Gen) |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Security | Trusted Platform Module (TPM 1.2) Security Chip | Trusted Platform Module (TPM 1.2) Security Chip, fingerprint reader |
| Security Slot Type | Kensington security slot | 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, MIL-STD-810G tested | Administrator password, hard drive password, power-on password, RapidCharge, reset switch, ThinkEngine, MIL-STD-810G tested |
| Compliant Standards | ISO 9001, ISO 14001, WEEE, ISO 27001 | ISO 9001, ISO 14001, RoHS, GREENGUARD, ISO 27001 |
| ENERGY STAR Certified | Yes | Yes |
| Manufacturer Warranty | Limited warranty - 2 years - pick-up and return | Limited warranty - 2 years - pick-up and return |
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