In depth comparison and review of Lenovo ThinkPad T440 and Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB). 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.
Advantages and disadvantages of Lenovo ThinkPad T440 based on its technical characteristics, features, user experience, expert reviews and price level.
durable build quality
excellent keyboard comfort
good battery life
solid performance base
efficient thermal management
average display quality
heavier than competitors
limited graphics capability
outdated design style
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T440 | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) |
|---|
| Product Type | Ultrabook | Tablet - with detachable keyboard |
|---|---|---|
| Dimensions (WxDxH) | 33.9 cm x 23.25 cm x 2.1 cm | - |
| Dimensions (WxDxH) - tablet | - | 29.15 cm x 20.95 cm x 0.845 cm |
| Dimensions (WxDxH) / Weight Details | - | 29.15 cm x 20.95 cm x 0.845 cm / 770 g - tablet 29.15 cm x 20.95 cm x 1.415 cm / 1.07 kg - tablet with keyboard |
| Weight | 1.81 kg | 770 g |
| Case Material | - | Glass-fibre reinforced plastic, magnesium alloy |
| Colour | - | Black |
| DISPLAY | Lenovo ThinkPad T440 | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) |
|---|
| Screen Size (Type) | 14" | 12" - IPS |
|---|---|---|
| Touchscreen | - | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1600 x 900 (HD+) | 2160 x 1440 (Full HD Plus) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 3:2 |
| Image Brightness | - | 360 cd/m² |
| Features | - | Glossy, Corning Gorilla glass, WideView, anti-fingerprint |
| PROCESSOR | Lenovo ThinkPad T440 | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) |
|---|
| CPU | Intel Core i5 (4th Gen) 4300U / 1.9 GHz | Intel Core i5 (7th Gen) 7Y57 / 1.2 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 | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0 | Integrated memory controller |
| MEMORY | Lenovo ThinkPad T440 | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) |
|---|
| RAM | 4 GB (1 x 4 GB) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 8 GB | - |
| RAM Type | DDR3L SDRAM | LPDDR3 SDRAM |
| Speed | - | 1866 MHz |
| Rated Speed | - | 1866 MHz |
| Form Factor | SO-DIMM 204-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | Lenovo ThinkPad T440 | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) |
|---|
| Main Storage Size (HDD/SSD) | 240 GB SSD | 256 GB SSD M.2 PCIe - TCG Opal Encryption, NVM Express (NVMe) - Intel |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T440 | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4400 | Intel HD Graphics 615 |
|---|---|---|
| Camera | Yes | Yes |
| Resolution | - | 8 Megapixel (rear), 2 Megapixel (front) |
| Camera Features | - | Rear camera with auto focus, rear camera with flash |
| Video Resolutions | - | 1080p |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, three microphones |
| Codec | Realtek ALC3232 | Realtek ALC3268 |
| COMMUNICATIONS | Lenovo ThinkPad T440 | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) |
|---|
| Wireless | - | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | - | M.2 Card |
| Network Interface | Gigabit Ethernet | - |
| WWAN |
|---|
| Generation | - | 4G |
|---|---|---|
| Technology | - | LTE Advanced |
| Controller | - | Sierra Wireless EM7455 |
| BATTERY | Lenovo ThinkPad T440 | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) |
|---|
| Technology | - | 2-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | - | 37 Wh |
| Battery Life | - | Up to 10 hours |
| AC ADAPTER | Lenovo ThinkPad T440 | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) |
|---|
| Input | - | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | - | 45 Watt, 5 / 9 / 15 / 20 V |
| INPUT | Lenovo ThinkPad T440 | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, digitizer, TrackPoint, digital pen, UltraNav |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Multi-touch touchpad | Volume control, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T440 | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) |
|---|
| Slots | - | 1 x Nano-SIM card (1 free) |
|---|---|---|
| Interfaces | 2 x USB 3.0 VGA Mini DisplayPort LAN Dock Headphone/microphone combo jack |
USB-C 3.1 Gen 1 (Power Delivery 2.0) USB 3.1 Gen 1/USB 3.0 Mini DisplayPort Dock Headphone/microphone combo jack VGA (on supplied adapter) |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (microSD, microSDHC, microSDXC) |
| SOFTWARE | Lenovo ThinkPad T440 | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) |
|---|
| Operating System (OS) | Windows 10 Pro (Microsoft Authorized Refurbisher (MAR)) | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | Lenovo ThinkPad T440 | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | Power adapter | Keyboard, ThinkPad Pen Pro, USB-C power adapter, pen holder |
| Cables Included | - | Mini DisplayPort-VGA adapter |
| Integrated Options | - | Ambient light sensor, 3-axis gyro sensor, digital compass, 3-axis accelerometer |
| Security | Trusted Platform Module (TPM 1.2) Security Chip | Trusted Platform Module (TPM 2.0) 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 | - | Reset switch, MIL-STD-810G tested |
| Compliant Standards | ISO 9001, ISO 14001, ISO 27001 | RoHS, GREENGUARD, low halogen |
| Manufacturer Warranty | Limited warranty - 2 years - pick-up and return | - |
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