Detailed comparison and review of Lenovo ThinkPad T440s and ASUS VivoBook 15 (X512FA). 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outdated design aesthetics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 ASUS VivoBook 15 (X512FA) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
decent processor performance
ample storage options
lightweight design
average battery life
mediocre display quality
limited graphics capability
no backlit keyboard
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T440s | ASUS VivoBook 15 (X512FA) |
|---|
| 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 | - | Transparent silver | Slate grey |
| DISPLAY | Lenovo ThinkPad T440s | ASUS VivoBook 15 (X512FA) |
|---|
| 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) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Colour Gamut | - | 45% NTSC |
| Features | Anti-glare | ASUS Splendid Video Intelligence Technology, anti-glare |
| PROCESSOR | Lenovo ThinkPad T440s | ASUS VivoBook 15 (X512FA) |
|---|
| CPU | Intel Core i5 (4th Gen) 4300U / 1.9 GHz | Intel Pentium Gold 5405U / 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 (X512FA) |
|---|
| 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 | 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 (X512FA) |
|---|
| Main Storage Size (HDD/SSD) | 120 GB SSD | 256 GB SSD SATA 6Gb/s |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T440s | ASUS VivoBook 15 (X512FA) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4400 | Intel UHD Graphics |
|---|---|---|
| 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 (X512FA) |
|---|
| Wireless | - | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Network Interface | Gigabit Ethernet | - |
| BATTERY | Lenovo ThinkPad T440s | ASUS VivoBook 15 (X512FA) |
|---|
| Technology | 3-cell Lithium Ion | 2-cell |
|---|---|---|
| Installed Qty | 2 | - |
| Max Supported Qty | 2 | - |
| Battery Capacity (Size) | - | 37 Wh |
| AC ADAPTER | Lenovo ThinkPad T440s | ASUS VivoBook 15 (X512FA) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt | 45 Watt, 19 V, 2.37 A |
| INPUT | Lenovo ThinkPad T440s | ASUS VivoBook 15 (X512FA) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | - | Yes |
| Features | Spill-resistant, multi-touch touchpad | - |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T440s | ASUS VivoBook 15 (X512FA) |
|---|
| 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 (X512FA) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) | Windows 10 Home |
|---|
| MISCELLANEOUS | Lenovo ThinkPad T440s | ASUS VivoBook 15 (X512FA) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Security | Trusted Platform Module (TPM 1.2) Security Chip | - |
| 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 | System password |
| Compliant Standards | ISO 9001, ISO 14001, WEEE, ISO 27001 | - |
| 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 | Limited warranty - 1 year |
| Model Number | - | EJ1515T |
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