In depth comparison and review of Lenovo ThinkPad X240 and ASUS VivoBook 15 (X512DA). 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 X240 based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
good battery life
compact and portable
efficient power management
average display quality
limited graphics performance
older processor model
noisy under load
Advantages and disadvantages of ASUS VivoBook 15 (X512DA) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
ample storage options
decent processor speed
lightweight design
solid build quality
average display quality
limited graphics performance
short battery life
no backlit keyboard
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X240 | ASUS VivoBook 15 (X512DA) |
|---|
| Product Type | Ultrabook | Ultrabook |
|---|---|---|
| Dimensions (WxDxH) | 30.48 cm x 20.83 cm x 2.03 cm | 35.72 cm x 23.04 cm x 1.99 cm |
| Weight | 1.42 kg | 1.7 kg |
| Colour | - | Slate grey |
| DISPLAY | Lenovo ThinkPad X240 | ASUS VivoBook 15 (X512DA) |
|---|
| Screen Size (Type) | 12.5" | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1366 x 768 (HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | - |
| Colour Gamut | - | 45% NTSC |
| Features | - | Anti-glare, NanoEdge display |
| PROCESSOR | Lenovo ThinkPad X240 | ASUS VivoBook 15 (X512DA) |
|---|
| CPU | Intel Core i5 (4th Gen) 4300U / 1.9 GHz | AMD Ryzen 5 3500U / 2.1 GHz |
|---|---|---|
| Max Turbo Speed | 2.9 GHz | 3.7 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 3 MB | - |
| 64-bit Computing | Yes | - |
| Features | Intel Turbo Boost Technology 2.0 | - |
| MEMORY | Lenovo ThinkPad X240 | ASUS VivoBook 15 (X512DA) |
|---|
| RAM | 4 GB | 8 GB (1 x 4 GB + 4 GB (soldered)) |
|---|---|---|
| RAM Type | DDR3 SDRAM | DDR4 SDRAM |
| Form Factor | SO-DIMM 204-pin | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 0 |
| STORAGE | Lenovo ThinkPad X240 | ASUS VivoBook 15 (X512DA) |
|---|
| Main Storage Size (HDD/SSD) | 120 GB SSD | 256 GB SSD M.2 |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X240 | ASUS VivoBook 15 (X512DA) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4400 | AMD Radeon Vega 8 |
|---|---|---|
| Camera | Yes | Yes - HD |
| COMMUNICATIONS | Lenovo ThinkPad X240 | ASUS VivoBook 15 (X512DA) |
|---|
| Wireless | 802.11a/b/g/n | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Network Interface | Gigabit Ethernet | - |
| BATTERY | Lenovo ThinkPad X240 | ASUS VivoBook 15 (X512DA) |
|---|
| Technology | - | 2-cell |
|---|---|---|
| Battery Capacity (Size) | - | 37 Wh |
| AC ADAPTER | Lenovo ThinkPad X240 | ASUS VivoBook 15 (X512DA) |
|---|
| Output | - | 45 Watt, 19 V, 2.37 A |
|---|
| INPUT | Lenovo ThinkPad X240 | ASUS VivoBook 15 (X512DA) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X240 | ASUS VivoBook 15 (X512DA) |
|---|
| Interfaces | Dock | Headphone/microphone combo jack USB 3.1 Gen 1 2 x USB 2.0 USB-C 3.1 Gen 1 HDMI |
|---|---|---|
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad X240 | ASUS VivoBook 15 (X512DA) |
|---|
| Operating System (OS) | Windows 10 Pro | Windows 10 Home |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X240 | ASUS VivoBook 15 (X512DA) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Compliant Standards | ISO 9001, ISO 14001, ISO 27001 | - |
| SAR Value | - | 0.464 W/kg (body), 0.464 W/kg (limb) |
| Manufacturer Warranty | Limited warranty - 2 years - pick-up and return | - |
| Model Number | - | EJ254T |
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