Side by side comparison and review of Lenovo ThinkPad T440s and ASUS VivoBook 15 (X512UA). 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outdated design aesthetics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 T440s | ASUS VivoBook 15 (X512UA) |
|---|
| Product Type | Ultrabook | Ultrabook |
|---|---|---|
| Dimensions (WxDxH) | 33.1 cm x 22.6 cm x 2.065 cm | 35.72 cm x 23.04 cm x 1.99 cm |
| Weight | 1.59 kg | 1.7 kg |
| Case Material | Polycarbonate ABS | - |
| Colour | - | Slate grey | Peacock blue | Coral crush |
| DISPLAY | Lenovo ThinkPad T440s | ASUS VivoBook 15 (X512UA) |
|---|
| Screen Size (Type) | 14" - IPS | 15.6" |
|---|---|---|
| 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 | - | 200 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | Anti-glare | Anti-glare, NanoEdge display |
| PROCESSOR | Lenovo ThinkPad T440s | ASUS VivoBook 15 (X512UA) |
|---|
| CPU | Intel Core i5 (4th Gen) 4300U / 1.9 GHz | Intel Pentium Gold 4417U / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 2.9 GHz | - |
| Number of Cores | Dual-Core | Dual-Core |
| Cache | 3 MB | 2 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkPad T440s | ASUS VivoBook 15 (X512UA) |
|---|
| RAM | 4 GB | 4 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 12 GB | 12 GB |
| RAM Type | DDR3L SDRAM | DDR4 SDRAM |
| Speed | 1600 MHz | 2133 MHz |
| Rated Speed | - | 2400 MHz |
| Form Factor | SO-DIMM 204-pin | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 1 |
| STORAGE | Lenovo ThinkPad T440s | ASUS VivoBook 15 (X512UA) |
|---|
| Main Storage Size (HDD/SSD) | 120 GB SSD | 256 GB SSD M.2 SATA 6Gb/s |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T440s | ASUS VivoBook 15 (X512UA) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4400 | Intel HD Graphics 610 |
|---|---|---|
| Camera | Yes - 720p | Yes - HD |
| Camera Features | Face tracking | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, microphone |
| Codec | Realtek ALC3232 | - |
| Compliant Standards | High Definition Audio, Dolby Home Theater v4 | - |
| Audio Features | - | ASUS SonicMaster |
| COMMUNICATIONS | Lenovo ThinkPad T440s | ASUS VivoBook 15 (X512UA) |
|---|
| Wireless | - | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Network Interface | Gigabit Ethernet | - |
| BATTERY | Lenovo ThinkPad T440s | ASUS VivoBook 15 (X512UA) |
|---|
| Technology | 3-cell Lithium Ion | 2-cell Lithium Ion |
|---|---|---|
| Installed Qty | 2 | - |
| Max Supported Qty | 2 | - |
| Battery Capacity (Size) | - | 32 Wh |
| AC ADAPTER | Lenovo ThinkPad T440s | ASUS VivoBook 15 (X512UA) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt | 45 Watt, 19 V, 2.37 A |
| INPUT | Lenovo ThinkPad T440s | ASUS VivoBook 15 (X512UA) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Features | Spill-resistant, multi-touch touchpad | - |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T440s | ASUS VivoBook 15 (X512UA) |
|---|
| Interfaces | 2 x USB 3.0 VGA Mini DisplayPort LAN Dock Headphone/microphone combo jack USB 3.0 (Always On) |
Headphone/microphone combo jack USB 3.1 Gen 1 2 x USB 2.0 USB-C 3.1 Gen 1 HDMI |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad T440s | ASUS VivoBook 15 (X512UA) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) | Windows 10 Home 64-bit Edition |
|---|
| MISCELLANEOUS | Lenovo ThinkPad T440s | ASUS VivoBook 15 (X512UA) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Security | Trusted Platform Module (TPM 1.2) Security Chip | Firmware Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Administrator password, hard drive password, power-on password, MIL-STD-810G tested | ASUS Battery Health charging technology |
| Compliant Standards | ISO 9001, ISO 14001, WEEE, ISO 27001 | UL, BSMI, CB, CCC, FCC |
| SAR Value | - | 0.304 W/kg (body), 0.304 W/kg (limb) |
| ENERGY STAR Certified | Yes | Yes |
| Manufacturer Warranty | Limited warranty - 2 years - pick-up and return | - |
| Model Number | - | EJ243T |
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