In depth comparison and review of Lenovo ThinkPad X240 (20AM) and ASUS ZenBook 14X OLED (UX5401FEA). 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 ASUS ZenBook 14X OLED (UX5401FEA) based on its technical characteristics, features, user experience, expert reviews and price level.
vibrant oled display
compact lightweight design
powerful intel processor
fast ssd storage
good battery life
limited port selection
higher price point
no dedicated gpu
average speaker quality
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X240 (20AM) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 30.55 cm x 20.85 cm x 1.99 cm | 31.1 cm x 22.3 cm x 1.59 cm |
| Weight | 1.47 kg | 1.4 kg |
| Case Material | Glass-fibre reinforced plastic | - |
| Colour | - | Pine grey |
| DISPLAY | Lenovo ThinkPad X240 (20AM) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Screen Size (Type) | 12.5" | 14" OLED |
|---|---|---|
| Touchscreen | - | Yes |
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1366 x 768 (HD) | 3840 x 2400 (4K) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | - | 550 cd/m² |
| Colour Gamut | - | 100% DCI-P3 |
| Colour Support | - | 1.07 billion colours |
| Features | Anti-glare | Blue light reduction, Pantone Validated, HDR 500 True Black, 88% screen-to-body ratio, 0.2 ms response rate |
| PROCESSOR | Lenovo ThinkPad X240 (20AM) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| CPU | Intel Core i3 (4th Gen) 4010U / 1.7 GHz | Intel Core i7 (11th Gen) 1165G7 / 2.8 GHz |
|---|---|---|
| Max Turbo Speed | - | 4.7 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 3 MB | 12 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | Intel Smart Cache |
| MEMORY | Lenovo ThinkPad X240 (20AM) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| RAM | 2 GB (1 x 2 GB) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 8 GB | - |
| RAM Type | DDR3L SDRAM | LPDDR5 SDRAM |
| Speed | 1600 MHz / PC3L-12800 | - |
| Rated Speed | 1600 MHz | - |
| Form Factor | SO-DIMM 204-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | Lenovo ThinkPad X240 (20AM) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Main Storage Size (HDD/SSD) | 500 GB HDD SATA 6Gb/s / 7200 rpm | 512 GB SSD M.2 PCIe 4.0 - NVM Express (NVMe), Performance |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X240 (20AM) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4400 | Intel Iris Xe Graphics |
|---|---|---|
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | Face tracking | - |
| Sound | Stereo speakers, two microphones | Harman/kardon stereo speakers, array microphone |
| Codec | Realtek ALC3232 | - |
| Compliant Standards | High Definition Audio, Dolby Advanced Audio v2 | - |
| Audio Features | - | Input: AI noise cancelling |
| COMMUNICATIONS | Lenovo ThinkPad X240 (20AM) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Wireless | 802.11b/g/n, Bluetooth 4.0 | 802.11a/b/g/n/ac/ax, Bluetooth 5.3 |
|---|---|---|
| Wireless Controller | M.2 Card | - |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Intel I218-V | - |
| Features | - | Dual stream (2x2) |
| WWAN |
|---|
| Generation | WWAN | - |
|---|
| BATTERY | Lenovo ThinkPad X240 (20AM) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Technology | 6-cell Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 47 Wh | 63 Wh |
| AC ADAPTER | Lenovo ThinkPad X240 (20AM) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt | 100 Watt, 20 V, 5 A |
| INPUT | Lenovo ThinkPad X240 (20AM) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, stylus, NumberPad 2.0 |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Spill-resistant, multi-touch touchpad | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X240 (20AM) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Interfaces | 2 x USB 3.0 VGA Mini DisplayPort LAN Dock Headphone/microphone combo jack |
HDMI 2.0b Headphone/microphone combo jack USB 3.2 Gen 2 2 x Thunderbolt 4 (supports DisplayPort) (Power Delivery) LAN (on supplied adapter) |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad X240 (20AM) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Operating System (OS) | Microsoft Windows 7 Professional 64-bit Edition - French | Windows 11 Pro |
|---|---|---|
| Software Included | - | McAfee LiveSafe, Microsoft 365 (1 month trial) |
| MISCELLANEOUS | Lenovo ThinkPad X240 (20AM) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Power adapter | USB-C power adapter |
| Security | Trusted Platform Module (TPM 1.2) Security Chip | Firmware Trusted Platform Module (TPM) Security Chip, fingerprint reader |
| 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, ThinkVantage Active Protection System, 1 USB 3.0 (Always On), MIL-STD-810G tested | System password, ErgoLift, MIL-STD-810H tested |
| Compliant Standards | RoHS, GREENGUARD | SGS Eye Care Display Certification |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | - |
| Model Number | - | KU106X |
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