Side by side comparison and review of Lenovo ThinkPad T440s and Lenovo Tablet 10 (20L4). 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outdated design aesthetics
Advantages and disadvantages of Lenovo Tablet 10 (20L4) based on its technical characteristics, features, user experience, expert reviews and price level.
compact and portable
touchscreen functionality
decent battery life
includes stylus pen
robust build quality
limited storage capacity
mediocre processing power
no high-resolution display
fewer connectivity options
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T440s | Lenovo Tablet 10 (20L4) |
|---|
| Product Type | Ultrabook | Tablet - with keyboard dock |
|---|---|---|
| Dimensions (WxDxH) | 33.1 cm x 22.6 cm x 2.065 cm | 26.1 cm x 17.8 cm x 1.06 cm |
| Weight | 1.59 kg | 672 g |
| Case Material | Polycarbonate ABS | Polycarbonate, glass-fibre reinforced plastic |
| Colour | - | Black |
| DISPLAY | Lenovo ThinkPad T440s | Lenovo Tablet 10 (20L4) |
|---|
| Screen Size (Type) | 14" - IPS | 10.1" - IPS |
|---|---|---|
| Touchscreen | - | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1600 x 900 (HD+) | 1280 x 800 (HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | - | 300 cd/m² |
| Features | Anti-glare | One Glass Solution |
| PROCESSOR | Lenovo ThinkPad T440s | Lenovo Tablet 10 (20L4) |
|---|
| CPU | Intel Core i5 (4th Gen) 4300U / 1.9 GHz | Intel Celeron N4100 / 1.1 GHz |
|---|---|---|
| Max Turbo Speed | 2.9 GHz | 2.4 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 3 MB | 4 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad T440s | Lenovo Tablet 10 (20L4) |
|---|
| RAM | 4 GB | 4 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 12 GB | - |
| RAM Type | DDR3L SDRAM | LPDDR4 SDRAM |
| Speed | 1600 MHz | 2133 MHz |
| Rated Speed | - | 2133 MHz |
| Form Factor | SO-DIMM 204-pin | - |
| STORAGE | Lenovo ThinkPad T440s | Lenovo Tablet 10 (20L4) |
|---|
| Main Storage Size (HDD/SSD) | 120 GB SSD | 64 GB eMMC |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T440s | Lenovo Tablet 10 (20L4) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4400 | Intel UHD Graphics 600 |
|---|---|---|
| Camera | Yes - 720p | Yes |
| Resolution | - | 5 Megapixel (rear), 2 Megapixel (front) |
| Camera Features | Face tracking | Rear camera with auto focus |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, two microphones |
| Codec | Realtek ALC3232 | Realtek ALC3240 |
| Compliant Standards | High Definition Audio, Dolby Home Theater v4 | - |
| COMMUNICATIONS | Lenovo ThinkPad T440s | Lenovo Tablet 10 (20L4) |
|---|
| Wireless | - | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | - | Realtek RTL8822BE |
| Network Interface | Gigabit Ethernet | - |
| WWAN |
|---|
| Generation | - | 4G |
|---|---|---|
| Technology | - | LTE Advanced |
| Controller | - | Sierra Wireless EM7455 |
| BATTERY | Lenovo ThinkPad T440s | Lenovo Tablet 10 (20L4) |
|---|
| Technology | 3-cell Lithium Ion | 2-cell Lithium Ion |
|---|---|---|
| Installed Qty | 2 | - |
| Max Supported Qty | 2 | - |
| Battery Capacity (Size) | - | 39 Wh |
| Battery Life | - | Up to 9.9 hours |
| AC ADAPTER | Lenovo ThinkPad T440s | Lenovo Tablet 10 (20L4) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt | 45 Watt, 5 / 9 / 15 / 20 V |
| INPUT | Lenovo ThinkPad T440s | Lenovo Tablet 10 (20L4) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, digitizer, digital pen |
|---|---|---|
| Features | Spill-resistant, multi-touch touchpad | Volume control |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T440s | Lenovo Tablet 10 (20L4) |
|---|
| Slots | - | 1 x Nano-SIM card (1 free) |
|---|---|---|
| Interfaces | 2 x USB 3.0 VGA Mini DisplayPort LAN Dock Headphone/microphone combo jack USB 3.0 (Always On) |
USB 3.1 USB-C 3.1 Gen 1 HDMI Headphone/microphone combo jack Pogo keyboard connector |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad T440s | Lenovo Tablet 10 (20L4) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) | - |
|---|
| MISCELLANEOUS | Lenovo ThinkPad T440s | Lenovo Tablet 10 (20L4) |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | Power adapter | Keyboard, USB-C power adapter, Lenovo Active Pen |
| Integrated Options | - | 3-axis gyro sensor, 3-axis accelerometer, 3-axis compass |
| 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 mini 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 | Reset switch |
| Navigation Receiver | - | GPS |
| Compliant Standards | ISO 9001, ISO 14001, WEEE, ISO 27001 | RoHS, GREENGUARD, low halogen |
| SAR Value | - | 1.44 W/kg (body), 1.44 W/kg (limb) |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | Limited warranty - 2 years - pick-up and return | - |
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