Side by side comparison and review of ASUS ZenBook Duo UX481FL (HJ080R) and Lenovo ThinkPad X13s Gen 1 (21BX). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
Advantages and disadvantages of ASUS ZenBook Duo UX481FL (HJ080R) based on its technical characteristics, features, user experience, expert reviews and price level.
innovative dual-screen design
compact and lightweight
powerful performance setup
touchscreen functionality
solid build quality
premium price point
average battery life
limited port selection
no dedicated GPU
Advantages and disadvantages of Lenovo ThinkPad X13s Gen 1 (21BX) based on its technical characteristics, features, user experience, expert reviews and price level.
long battery life
lightweight design
robust security features
solid build quality
efficient performance
limited port selection
no headphone jack
average display brightness
higher price point
| DESIGN AND DIMENSIONS | ASUS ZenBook Duo UX481FL (HJ080R) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 32.3 cm x 22.3 cm x 1.99 cm | 29.87 cm x 20.64 cm x 1.34 cm |
| Weight | 1.6 kg | 1.06 kg |
| Case Material | Aluminum, magnesium-aluminum alloy | Glass-fibre reinforced plastic (bottom), magnesium-aluminium alloy (top) |
| Colour | Celestial blue | Thunder black |
| DISPLAY | ASUS ZenBook Duo UX481FL (HJ080R) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Screen Size (Type) | 14" | 13.3" - IPS |
|---|---|---|
| Touchscreen | Yes | - |
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (WUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 300 cd/m² | 300 cd/m² |
| Colour Gamut | 100% sRGB | 100% sRGB |
| Features | ASUS Splendid Video Intelligence Technology, anti-glare, Tru2Life, NanoEdge display, Pantone Validated | Anti-glare, 170° viewing angle |
| PROCESSOR | ASUS ZenBook Duo UX481FL (HJ080R) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| CPU | Intel Core i7 (10th Gen) 10510U / 1.8 GHz | Qualcomm Snapdragon 8cx Gen 3 |
|---|---|---|
| Max Turbo Speed | 4.9 GHz | 3 GHz |
| Number of Cores | Quad-Core | 8-core |
| Cache | 8 MB | L2 - 1 MB |
| 64-bit Computing | Yes | - |
| Features | Intel Turbo Boost Technology 2.0, Intel Smart Cache | Integrated memory controller |
| MEMORY | ASUS ZenBook Duo UX481FL (HJ080R) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| RAM | 16 GB (provided memory is soldered) | 16 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR3 SDRAM | LPDDR4X SDRAM |
| Speed | 2133 MHz | 4266 MHz |
| Rated Speed | - | 4266 MHz |
| STORAGE | ASUS ZenBook Duo UX481FL (HJ080R) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Main Storage Size (HDD/SSD) | 1 TB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS ZenBook Duo UX481FL (HJ080R) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce MX250 / Intel UHD Graphics | Qualcomm Adreno 690 |
| Max Monitors Supported | - | 2 external monitor(s) |
| Video Memory | 2 GB GDDR5 SDRAM | - |
| Camera | Yes - HD | Yes |
| Resolution | - | 5 Megapixel |
| Camera Features | IR camera, Windows Hello | IR camera, fixed focus, e-camera shutter, MIPI |
| Sound | Harman/kardon stereo speakers, array microphone | Stereo speakers, 3-microphone array |
| Codec | - | Qualcomm WCD9385 |
| Compliant Standards | - | High Definition Audio, Dolby Audio |
| Audio Features | ASUS SonicMaster, Bang & Olufsen Audio, Smart Amplification technology | - |
| COMMUNICATIONS | ASUS ZenBook Duo UX481FL (HJ080R) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | - | Qualcomm WCN6855 Wi-Fi 6E |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| WWAN |
|---|
| Generation | - | 5G |
|---|---|---|
| Controller | - | Qualcomm Snapdragon X55 - M.2 Card |
| BATTERY | ASUS ZenBook Duo UX481FL (HJ080R) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Technology | 4-cell lithium polymer | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 70 Wh | 49.5 Wh |
| Battery Life | - | Up to 28 hours |
| AC ADAPTER | ASUS ZenBook Duo UX481FL (HJ080R) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| 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 (HJ080R) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| 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 (HJ080R) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Slots | - | 1 x Nano-SIM card (1 free) |
|---|---|---|
| Interfaces | USB-C 3.2 Gen 2 USB 3.2 Gen 2 USB 3.2 Gen 1 HDMI Headphone/microphone combo jack |
2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack |
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | - |
| SOFTWARE | ASUS ZenBook Duo UX481FL (HJ080R) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Operating System (OS) | Windows 10 Pro | Windows 11 Pro (on ARM) - English |
|---|---|---|
| Software Included | ASUS Splendid, Microsoft 365 (30 days trial), McAfee, MyASUS, System Diagnosis, Battery Health Charging, AppDeals, Tru2Life | - |
| MISCELLANEOUS | ASUS ZenBook Duo UX481FL (HJ080R) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Included Accessories | Stylus, power adapter, sleeve, stand | USB-C power 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, power-on password, MIL-STD-810H tested, self-healing BIOS |
| Compliant Standards | - | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified |
| SAR Value | 0.529 W/kg (body), 0.529 W/kg (limb) | - |
| ENERGY STAR Certified | - | Yes |
| EPEAT Compliant | - | EPEAT Gold |
| 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 Limited warranty - battery - 1 year Extended warranty - 1 year - on-site |
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