In depth comparison and review of Lenovo ThinkPad X240 (20AM) and ASUS ZenBook 14X OLED (UX3404VA). 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 (UX3404VA) based on its technical characteristics, features, user experience, expert reviews and price level.
vibrant oled display
lightweight and portable
powerful intel processor
fast ssd storage
high-quality build
average battery life
limited port selection
no dedicated gpu
higher price point
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X240 (20AM) | ASUS ZenBook 14X OLED (UX3404VA) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 30.55 cm x 20.85 cm x 1.99 cm | 32.18 cm x 22.56 cm x 1.69 cm |
| Weight | 1.47 kg | 1.56 kg |
| Case Material | Glass-fibre reinforced plastic | Aluminum |
| Colour | - | Inkwell grey |
| DISPLAY | Lenovo ThinkPad X240 (20AM) | ASUS ZenBook 14X OLED (UX3404VA) |
|---|
| Screen Size (Type) | 12.5" | 14.5" OLED |
|---|---|---|
| Touchscreen | - | Yes |
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1366 x 768 (HD) | 2880 x 1800 (2.8K) |
| V-Sync Rate at Max Res. | - | 120 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 | Glossy, Corning Gorilla glass, HDR (high dynamic range), Pantone Validated, VESA DisplayHDR 500, 89% screen-to-body ratio, 0.2 ms response rate, True Black |
| PROCESSOR | Lenovo ThinkPad X240 (20AM) | ASUS ZenBook 14X OLED (UX3404VA) |
|---|
| CPU | Intel Core i3 (4th Gen) 4010U / 1.7 GHz | Intel Core i9 (13th Gen) 13900H / 2.6 GHz |
|---|---|---|
| Max Turbo Speed | - | 5.4 GHz |
| Number of Cores | Dual-Core | 14-core |
| Cache | 3 MB | L3 - 24 MB |
| 64-bit Computing | Yes | - |
| Platform Technology | - | Intel Evo |
| Features | Integrated memory controller | Intel Smart Cache |
| MEMORY | Lenovo ThinkPad X240 (20AM) | ASUS ZenBook 14X OLED (UX3404VA) |
|---|
| RAM | 2 GB (1 x 2 GB) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 8 GB | 32 GB |
| RAM Type | DDR3L SDRAM | DDR5 SDRAM |
| Speed | 1600 MHz / PC3L-12800 | 4800 MHz |
| Rated Speed | 1600 MHz | 4800 MHz |
| Form Factor | SO-DIMM 204-pin | SO-DIMM 262-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 0 | 1 |
| STORAGE | Lenovo ThinkPad X240 (20AM) | ASUS ZenBook 14X OLED (UX3404VA) |
|---|
| Main Storage Size (HDD/SSD) | 500 GB HDD SATA 6Gb/s / 7200 rpm | 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X240 (20AM) | ASUS ZenBook 14X OLED (UX3404VA) |
|---|
| 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 - 1080p |
| Camera Features | Face tracking | IR camera, Windows Hello |
| Sound | Stereo speakers, two microphones | Harman/kardon stereo speakers, array microphone |
| Codec | Realtek ALC3232 | - |
| Compliant Standards | High Definition Audio, Dolby Advanced Audio v2 | Dolby Atmos |
| Audio Features | - | Output: Smart Amplification technology, Asus Audio Booster; Input: AI noise cancelling |
| COMMUNICATIONS | Lenovo ThinkPad X240 (20AM) | ASUS ZenBook 14X OLED (UX3404VA) |
|---|
| Wireless | 802.11b/g/n, Bluetooth 4.0 | 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3 |
|---|---|---|
| Wireless Controller | M.2 Card | - |
| Network Interface | Gigabit Ethernet | - |
| Ethernet Controller | Intel I218-V | - |
| Features | - | Dual stream (2x2) |
| WWAN |
|---|
| Generation | WWAN | - |
|---|
| BATTERY | Lenovo ThinkPad X240 (20AM) | ASUS ZenBook 14X OLED (UX3404VA) |
|---|
| Technology | 6-cell Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 47 Wh | 70 Wh |
| AC ADAPTER | Lenovo ThinkPad X240 (20AM) | ASUS ZenBook 14X OLED (UX3404VA) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt | 90 Watt, 20 V, 4.5 A |
| INPUT | Lenovo ThinkPad X240 (20AM) | ASUS ZenBook 14X OLED (UX3404VA) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, NumberPad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | - | Yes |
| Features | Spill-resistant, multi-touch touchpad | 1.4mm travel distance, ASUS ErgoSense |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X240 (20AM) | ASUS ZenBook 14X OLED (UX3404VA) |
|---|
| Interfaces | 2 x USB 3.0 VGA Mini DisplayPort LAN Dock Headphone/microphone combo jack |
Headphone/microphone combo jack HDMI 2.1 USB 3.2 Gen 2 Thunderbolt 4 (supports DisplayPort) (Power Delivery) |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
| SOFTWARE | Lenovo ThinkPad X240 (20AM) | ASUS ZenBook 14X OLED (UX3404VA) |
|---|
| Operating System (OS) | Microsoft Windows 7 Professional 64-bit Edition - French | Windows 11 Home |
|---|---|---|
| Software Included | - | McAfee LiveSafe, MyASUS, ScreenXpert, ProArt Creator Hub, Microsoft 365 (1 month trial), GlideX |
| MISCELLANEOUS | Lenovo ThinkPad X240 (20AM) | ASUS ZenBook 14X OLED (UX3404VA) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Security | Trusted Platform Module (TPM 1.2) Security Chip | 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, ThinkVantage Active Protection System, 1 USB 3.0 (Always On), MIL-STD-810G tested | ASUS IceCool design, MIL-STD-810H tested, compatible with stylus, Cortana support |
| Compliant Standards | RoHS, GREENGUARD | RoHS, REACH, TUV Rheinland Low Blue Light Certification, SGS Eye Care Display Certification |
| ENERGY STAR Certified | Yes | - |
| Max Operating Temperature | - | 49 °C |
| Min Operating Temperature | - | -37 °C |
| Humidity Range Operating | - | 95% RH |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | - |
| Model Number | - | M3099W |
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