In depth comparison and review of Lenovo ThinkPad X13 Gen 4 (21EX) 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 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 (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 X13 Gen 4 (21EX) | ASUS ZenBook 14X OLED (UX3404VA) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 30.17 cm x 21.48 cm x 1.595 cm | 32.18 cm x 22.56 cm x 1.69 cm |
| Weight | 1.09 kg | 1.56 kg |
| Case Material | Aluminium (bottom), carbon fibre hybrid (top) | Aluminum |
| Colour | Deep black | Inkwell grey |
| DISPLAY | Lenovo ThinkPad X13 Gen 4 (21EX) | ASUS ZenBook 14X OLED (UX3404VA) |
|---|
| Screen Size (Type) | 13.3" - IPS | 14.5" OLED |
|---|---|---|
| Touchscreen | - | Yes |
| Screen Resolution | 1920 x 1200 (WUXGA) | 2880 x 1800 (2.8K) |
| V-Sync Rate at Max Res. | - | 120 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 | 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 X13 Gen 4 (21EX) | ASUS ZenBook 14X OLED (UX3404VA) |
|---|
| CPU | Intel Core i5 (13th Gen) 1335U / 1.3 GHz | Intel Core i9 (13th Gen) 13900H / 2.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.6 GHz | 5.4 GHz |
| Number of Cores | 10-core | 14-core |
| Cache | 12 MB | L3 - 24 MB |
| Platform Technology | Intel Evo | Intel Evo |
| Features | Integrated memory controller | Intel Smart Cache |
| MEMORY | Lenovo ThinkPad X13 Gen 4 (21EX) | ASUS ZenBook 14X OLED (UX3404VA) |
|---|
| RAM | 16 GB (provided memory is soldered) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | - | 32 GB |
| RAM Type | LPDDR5 SDRAM | DDR5 SDRAM |
| Speed | 4800 MHz | 4800 MHz |
| Rated Speed | 6400 MHz | 4800 MHz |
| Form Factor | - | SO-DIMM 262-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 1 |
| STORAGE | Lenovo ThinkPad X13 Gen 4 (21EX) | ASUS ZenBook 14X OLED (UX3404VA) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) | 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X13 Gen 4 (21EX) | ASUS ZenBook 14X OLED (UX3404VA) |
|---|
| 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 - 1080p |
| Camera Features | Privacy shutter, fixed focus | IR camera, Windows Hello |
| Sound | Stereo speakers, dual array microphone | Harman/kardon stereo speakers, array microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio | Dolby Atmos |
| Audio Features | Input: Dolby Voice, 360° far-field | Output: Smart Amplification technology, Asus Audio Booster; Input: AI noise cancelling |
| COMMUNICATIONS | Lenovo ThinkPad X13 Gen 4 (21EX) | ASUS ZenBook 14X OLED (UX3404VA) |
|---|
| Wireless | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6E AX 211 | - |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| WWAN |
|---|
| Generation | 4G upgradable | - |
|---|
| BATTERY | Lenovo ThinkPad X13 Gen 4 (21EX) | ASUS ZenBook 14X OLED (UX3404VA) |
|---|
| Technology | Lithium polymer | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 54.7 Wh | 70 Wh |
| AC ADAPTER | Lenovo ThinkPad X13 Gen 4 (21EX) | ASUS ZenBook 14X OLED (UX3404VA) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 90 Watt, 20 V, 4.5 A |
| INPUT | Lenovo ThinkPad X13 Gen 4 (21EX) | ASUS ZenBook 14X OLED (UX3404VA) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, NumberPad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls | 1.4mm travel distance, ASUS ErgoSense |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X13 Gen 4 (21EX) | ASUS ZenBook 14X OLED (UX3404VA) |
|---|
| 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 |
Headphone/microphone combo jack HDMI 2.1 USB 3.2 Gen 2 Thunderbolt 4 (supports DisplayPort) (Power Delivery) |
|---|
| SOFTWARE | Lenovo ThinkPad X13 Gen 4 (21EX) | ASUS ZenBook 14X OLED (UX3404VA) |
|---|
| Operating System (OS) | Windows 11 Pro - English | Windows 11 Home |
|---|---|---|
| Software Included | Glance by Mirametrix, Intel Connectivity Performance Suite | McAfee LiveSafe, MyASUS, ScreenXpert, ProArt Creator Hub, Microsoft 365 (1 month trial), GlideX |
| MISCELLANEOUS | Lenovo ThinkPad X13 Gen 4 (21EX) | ASUS ZenBook 14X OLED (UX3404VA) |
|---|
| Included Accessories | USB-C slim power adapter | Power adapter |
|---|---|---|
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader | Trusted Platform Module (TPM 2.0) Security Chip |
| 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 | ASUS IceCool design, MIL-STD-810H tested, compatible with stylus, Cortana support |
| Compliant Standards | RoHS, Energy-using Products (EuP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 | RoHS, REACH, TUV Rheinland Low Blue Light Certification, SGS Eye Care Display Certification |
| Max Operating Temperature | 35 °C | 49 °C |
| Min Operating Temperature | 5 °C | -37 °C |
| Humidity Range Operating | 8 - 95% | 95% RH |
| 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 | - | M3099W |
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