In depth comparison and review of ASUS ZenBook Duo UX481FL (HJ113R) and Lenovo ThinkPad L15 Gen 4 (21H3). 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 L15 Gen 4 (21H3) based on its technical characteristics, features, user experience, expert reviews and price level.
robust connectivity options
supports fast charging
dedicated nvidia gpu
upgradeable ram and storage
solid build quality
average battery capacity
basic 250-nit display
limited cpu performance
no fingerprint reader
| DESIGN AND DIMENSIONS | ASUS ZenBook Duo UX481FL (HJ113R) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 32.3 cm x 22.3 cm x 1.99 cm | 36.02 cm x 23.7 cm x 1.993 cm |
| Weight | 1.6 kg | 1.77 kg |
| Case Material | Aluminum, magnesium-aluminum alloy | Polycarbonate ABS (bottom), polycarbonate ABS (top) |
| Colour | Celestial blue | Thunder black |
| DISPLAY | ASUS ZenBook Duo UX481FL (HJ113R) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| Screen Size (Type) | 14" | 15.6" - IPS |
|---|---|---|
| Touchscreen | Yes | - |
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 300 cd/m² | 250 cd/m² |
| Colour Gamut | 100% sRGB | 45% NTSC |
| Features | ASUS Splendid Video Intelligence Technology, anti-glare, Tru2Life, NanoEdge display, Pantone Validated | Anti-glare |
| PROCESSOR | ASUS ZenBook Duo UX481FL (HJ113R) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| CPU | Intel Core i7 (10th Gen) 10510U / 1.8 GHz | Intel Core i5 (13th Gen) 1335U / 1.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.9 GHz | 4.6 GHz |
| Number of Cores | Quad-Core | 10-core |
| Cache | 8 MB | 12 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 L15 Gen 4 (21H3) |
|---|
| RAM | 16 GB (provided memory is soldered) | 16 GB (1 x 16 GB) |
|---|---|---|
| Max RAM Supported | - | 64 GB |
| RAM Type | LPDDR3 SDRAM | DDR4 SDRAM |
| Speed | 2133 MHz | 3200 MHz |
| Rated Speed | - | 3200 MHz |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 2 |
| Empty Slots | - | 1 |
| STORAGE | ASUS ZenBook Duo UX481FL (HJ113R) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| 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 (HJ113R) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce MX250 / Intel UHD Graphics | Intel Iris Xe Graphics |
| Max Monitors Supported | - | 3 external monitor(s) |
| Video Memory | 2 GB GDDR5 SDRAM | - |
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - HD | Yes - 1080p |
| Camera Features | IR camera, Windows Hello | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera |
| 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, far-field |
| COMMUNICATIONS | ASUS ZenBook Duo UX481FL (HJ113R) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | - | Intel Wi-Fi 6 AX 201 - M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Ethernet Controller | - | Intel I219-V |
| Features | Dual stream (2x2) | Wake-on-LAN (WOL), dual stream (2x2) |
| WWAN |
|---|
| Generation | - | 4G upgradable |
|---|
| BATTERY | ASUS ZenBook Duo UX481FL (HJ113R) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| Technology | 4-cell lithium polymer | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 70 Wh | 57 Wh |
| AC ADAPTER | ASUS ZenBook Duo UX481FL (HJ113R) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| 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 L15 Gen 4 (21H3) |
|---|
| Type | Keyboard, stylus, ScreenPad Plus | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | - | Yes |
| 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 L15 Gen 4 (21H3) |
|---|
| 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 USB 3.2 Gen 1 (Always On) USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI (4K support) LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | Yes (microSD) |
| SOFTWARE | ASUS ZenBook Duo UX481FL (HJ113R) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| Operating System (OS) | Windows 10 Pro | Windows 11 Pro - English |
|---|---|---|
| Software Included | ASUS Splendid, Microsoft 365 (30 days trial), McAfee, MyASUS, System Diagnosis, Battery Health Charging, AppDeals, Tru2Life | - |
| MISCELLANEOUS | ASUS ZenBook Duo UX481FL (HJ113R) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| 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, fingerprint reader, smart card 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, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password |
| 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% |
| Manufacturer Warranty | - | Base warranty - 1 year - pick-up and return Extended warranty - 1 year - on-site - response time: next business day |
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