Side by side comparison and review of Lenovo ThinkPad T440 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 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outdated design style
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 T440 | Lenovo Tablet 10 (20L4) |
|---|
| Product Type | Ultrabook | Tablet - with keyboard dock |
|---|---|---|
| Dimensions (WxDxH) | 33.9 cm x 23.25 cm x 2.1 cm | 26.1 cm x 17.8 cm x 1.06 cm |
| Weight | 1.81 kg | 672 g |
| Case Material | - | Polycarbonate, glass-fibre reinforced plastic |
| Colour | - | Black |
| DISPLAY | Lenovo ThinkPad T440 | Lenovo Tablet 10 (20L4) |
|---|
| Screen Size (Type) | 14" | 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 | - | One Glass Solution |
| PROCESSOR | Lenovo ThinkPad T440 | 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 | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0 | Integrated memory controller |
| MEMORY | Lenovo ThinkPad T440 | Lenovo Tablet 10 (20L4) |
|---|
| RAM | 4 GB (1 x 4 GB) | 4 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 8 GB | - |
| RAM Type | DDR3L SDRAM | LPDDR4 SDRAM |
| Speed | - | 2133 MHz |
| Rated Speed | - | 2133 MHz |
| Form Factor | SO-DIMM 204-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | Lenovo ThinkPad T440 | Lenovo Tablet 10 (20L4) |
|---|
| Main Storage Size (HDD/SSD) | 240 GB SSD | 64 GB eMMC |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T440 | Lenovo Tablet 10 (20L4) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4400 | Intel UHD Graphics 600 |
|---|---|---|
| Camera | Yes | Yes |
| Resolution | - | 5 Megapixel (rear), 2 Megapixel (front) |
| Camera Features | - | Rear camera with auto focus |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, two microphones |
| Codec | Realtek ALC3232 | Realtek ALC3240 |
| COMMUNICATIONS | Lenovo ThinkPad T440 | 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 T440 | Lenovo Tablet 10 (20L4) |
|---|
| Technology | - | 2-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | - | 39 Wh |
| Battery Life | - | Up to 9.9 hours |
| AC ADAPTER | Lenovo ThinkPad T440 | Lenovo Tablet 10 (20L4) |
|---|
| Input | - | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | - | 45 Watt, 5 / 9 / 15 / 20 V |
| INPUT | Lenovo ThinkPad T440 | Lenovo Tablet 10 (20L4) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, digitizer, digital pen |
|---|---|---|
| Features | Multi-touch touchpad | Volume control |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T440 | 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 3.1 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 T440 | Lenovo Tablet 10 (20L4) |
|---|
| Operating System (OS) | Windows 10 Pro (Microsoft Authorized Refurbisher (MAR)) | - |
|---|
| MISCELLANEOUS | Lenovo ThinkPad T440 | 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 | - | Reset switch |
| Navigation Receiver | - | GPS |
| Compliant Standards | ISO 9001, ISO 14001, ISO 27001 | RoHS, GREENGUARD, low halogen |
| SAR Value | - | 1.44 W/kg (body), 1.44 W/kg (limb) |
| Manufacturer Warranty | Limited warranty - 2 years - pick-up and return | - |
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