In depth comparison and review of ASUS ZenBook Duo UX481FL (HJ113R) and Lenovo ThinkPad T14s Gen 4 (21F9). 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 Duo UX481FL (HJ113R) based on its technical characteristics, features, user experience, expert reviews and price level.
innovative dual-screen design
compact and lightweight
powerful multitasking capabilities
solid build quality
high-resolution main display
premium price point
average battery life
limited upgradeability
no dedicated GPU
Advantages and disadvantages of Lenovo ThinkPad T14s Gen 4 (21F9) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
impressive battery life
powerful processor options
bright display
higher price point
limited graphics performance
no OLED option
heavier than competitors
| DESIGN AND DIMENSIONS | ASUS ZenBook Duo UX481FL (HJ113R) | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 32.3 cm x 22.3 cm x 1.99 cm | 31.75 cm x 22.69 cm x 1.69 cm |
| Weight | 1.6 kg | 1.26 kg |
| Case Material | Aluminum, magnesium-aluminum alloy | Aluminium (bottom), carbon fibre hybrid (top) |
| Colour | Celestial blue | Deep black |
| DISPLAY | ASUS ZenBook Duo UX481FL (HJ113R) | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| Screen Size (Type) | 14" | 14" - IPS |
|---|---|---|
| Touchscreen | Yes | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (WUXGA) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 300 cd/m² | 300 cd/m² |
| Colour Gamut | 100% sRGB | 45% NTSC |
| Features | ASUS Splendid Video Intelligence Technology, anti-glare, Tru2Life, NanoEdge display, Pantone Validated | Anti-glare, on-cell touch technology |
| PROCESSOR | ASUS ZenBook Duo UX481FL (HJ113R) | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| CPU | Intel Core i7 (10th Gen) 10510U / 1.8 GHz | AMD Ryzen 5 Pro 7540U / 3.2 GHz |
|---|---|---|
| Max Turbo Speed | 4.9 GHz | 4.9 GHz |
| Number of Cores | Quad-Core | 6-core |
| Cache | 8 MB | L3 - 16 MB |
| 64-bit Computing | Yes | - |
| Features | Intel Turbo Boost Technology 2.0, Intel Smart Cache | Integrated memory controller |
| MEMORY | ASUS ZenBook Duo UX481FL (HJ113R) | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| RAM | 16 GB (provided memory is soldered) | 16 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR3 SDRAM | LPDDR5X SDRAM |
| Speed | 2133 MHz | 6400 MHz |
| Rated Speed | - | 7500 MHz |
| STORAGE | ASUS ZenBook Duo UX481FL (HJ113R) | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| Main Storage Size (HDD/SSD) | 1 TB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) | 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia |
|---|
| AUDIO & VIDEO | ASUS ZenBook Duo UX481FL (HJ113R) | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce MX250 / Intel UHD Graphics | AMD Radeon 740M |
| Max Monitors Supported | - | 3 external monitor(s) |
| Video Memory | 2 GB GDDR5 SDRAM | - |
| Camera | Yes - HD | Yes |
| Resolution | - | 5 Megapixel |
| Camera Features | IR camera, Windows Hello | Privacy shutter, Windows Hello, fixed focus, Discrete IR, Ultrasonic Human Presence Detection |
| Sound | Harman/kardon stereo speakers, array microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3287 |
| Compliant Standards | - | High Definition Audio, Dolby Audio |
| Audio Features | ASUS SonicMaster, Bang & Olufsen Audio, Smart Amplification technology | Input: Dolby Voice, 360° far-field |
| COMMUNICATIONS | ASUS ZenBook Duo UX481FL (HJ113R) | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | - | Qualcomm NFA725A |
| Network Interface | - | Gigabit Ethernet |
| Features | Dual stream (2x2) | - |
| BATTERY | ASUS ZenBook Duo UX481FL (HJ113R) | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| Technology | 4-cell lithium polymer | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 70 Wh | 57 Wh |
| AC ADAPTER | ASUS ZenBook Duo UX481FL (HJ113R) | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 19 V, 3.42 A | 65 Watt |
| INPUT | ASUS ZenBook Duo UX481FL (HJ113R) | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| Type | Keyboard, stylus, ScreenPad Plus | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Chiclet keyboard, 12.6" touch display | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | ASUS ZenBook Duo UX481FL (HJ113R) | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| Interfaces | USB-C 3.2 Gen 2 USB 3.2 Gen 2 USB 3.2 Gen 1 HDMI Headphone/microphone combo jack |
USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 (Always On) 2 x USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) HDMI (4K support) Headphone/microphone combo jack LAN (on supplied adapter) |
|---|---|---|
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | - |
| SOFTWARE | ASUS ZenBook Duo UX481FL (HJ113R) | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| Operating System (OS) | Windows 10 Pro | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence |
|---|---|---|
| Software Included | ASUS Splendid, Microsoft 365 (30 days trial), McAfee, MyASUS, System Diagnosis, Battery Health Charging, AppDeals, Tru2Life | Glance by Mirametrix |
| MISCELLANEOUS | ASUS ZenBook Duo UX481FL (HJ113R) | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| Included Accessories | Stylus, power adapter, sleeve, stand | USB-C power adapter, Lenovo USB-C to Ethernet Adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader |
| Security Slot Type | - | Kensington nano security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | MIL-STD-810G tested, ErgoLift | Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication |
| Compliant Standards | - | RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 |
| SAR Value | 0.529 W/kg (body), 0.529 W/kg (limb) | - |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 5 °C |
| Humidity Range Operating | - | 8 - 95% |
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