Detailed comparison and review of Lenovo ThinkPad X13 Gen 4 (21EX) and ASUS ZenBook 14X OLED (UX5401FEA). 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 X13 Gen 4 (21EX) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
impressive security features
good battery life
portable design
average display brightness
limited graphics performance
noisy under load
higher price point
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 X13 Gen 4 (21EX) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 30.17 cm x 21.48 cm x 1.595 cm | 31.1 cm x 22.3 cm x 1.59 cm |
| Weight | 1.09 kg | 1.4 kg |
| Case Material | Aluminium (bottom), carbon fibre hybrid (top) | - |
| Colour | Deep black | Pine grey |
| DISPLAY | Lenovo ThinkPad X13 Gen 4 (21EX) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Screen Size (Type) | 13.3" - IPS | 14" OLED |
|---|---|---|
| Touchscreen | - | Yes |
| Screen Resolution | 1920 x 1200 (WUXGA) | 3840 x 2400 (4K) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:10 |
| Image Brightness | 300 cd/m² | 550 cd/m² |
| Colour Gamut | 100% sRGB | 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 X13 Gen 4 (21EX) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| CPU | Intel Core i5 (13th Gen) 1335U / 1.3 GHz | Intel Core i7 (11th Gen) 1165G7 / 2.8 GHz |
|---|---|---|
| Max Turbo Speed | 4.6 GHz | 4.7 GHz |
| Number of Cores | 10-core | Quad-Core |
| Cache | 12 MB | 12 MB |
| Platform Technology | Intel Evo | - |
| Features | Integrated memory controller | Intel Smart Cache |
| MEMORY | Lenovo ThinkPad X13 Gen 4 (21EX) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| RAM | 16 GB (provided memory is soldered) | 16 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR5 SDRAM | LPDDR5 SDRAM |
| Speed | 4800 MHz | - |
| Rated Speed | 6400 MHz | - |
| STORAGE | Lenovo ThinkPad X13 Gen 4 (21EX) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) | 512 GB SSD M.2 PCIe 4.0 - NVM Express (NVMe), Performance |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X13 Gen 4 (21EX) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Max Monitors Supported | 3 external monitor(s) | - |
| Video System Features | Functions as Intel UHD graphics (for single-channel memory) | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - 1080p | Yes - 720p |
| Camera Features | Privacy shutter, fixed focus | - |
| Sound | Stereo speakers, dual array microphone | Harman/kardon stereo speakers, array microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio | - |
| Audio Features | Input: Dolby Voice, 360° far-field | Input: AI noise cancelling |
| COMMUNICATIONS | Lenovo ThinkPad X13 Gen 4 (21EX) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Wireless | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac/ax, Bluetooth 5.3 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6E AX 211 | - |
| Network Interface | - | Gigabit Ethernet |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| WWAN |
|---|
| Generation | 4G upgradable | - |
|---|
| BATTERY | Lenovo ThinkPad X13 Gen 4 (21EX) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Technology | Lithium polymer | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 54.7 Wh | 63 Wh |
| AC ADAPTER | Lenovo ThinkPad X13 Gen 4 (21EX) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 100 Watt, 20 V, 5 A |
| INPUT | Lenovo ThinkPad X13 Gen 4 (21EX) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, stylus, NumberPad 2.0 |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X13 Gen 4 (21EX) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Interfaces | USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 2 x USB4 (supports Thunderbolt 4, DisplayPort 2.0 Alt Mode) (Power Delivery 3.0) HDMI 2.1 (4K support) 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 | - | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad X13 Gen 4 (21EX) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Operating System (OS) | Windows 11 Pro - English | Windows 11 Pro |
|---|---|---|
| Software Included | Glance by Mirametrix, Intel Connectivity Performance Suite | McAfee LiveSafe, Microsoft 365 (1 month trial) |
| MISCELLANEOUS | Lenovo ThinkPad X13 Gen 4 (21EX) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Included Accessories | USB-C slim power adapter | USB-C power adapter |
|---|---|---|
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader | Firmware Trusted Platform Module (TPM) Security Chip, fingerprint reader |
| Security Slot Type | Kensington nano security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, Firmware Resiliency 3.0, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication | System password, ErgoLift, MIL-STD-810H tested |
| Compliant Standards | RoHS, Energy-using Products (EuP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 | SGS Eye Care Display Certification |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 5 °C | - |
| Humidity Range Operating | 8 - 95% | - |
| Manufacturer Warranty | Base warranty - 3 years - pick-up and return Base warranty - battery - 1 year Extended warranty - 1 year - on-site - response time: next business day |
- |
| Model Number | - | KU106X |
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