In depth comparison and review of ASUS ZenBook Duo UX481FA (BM020R) and Lenovo ThinkPad L15 Gen 4 (21H7). 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 UX481FA (BM020R) based on its technical characteristics, features, user experience, expert reviews and price level.
innovative dual-screen design
compact and lightweight
solid battery life
comfortable keyboard layout
good processor performance
limited graphics capabilities
no thunderbolt support
secondary screen usability issues
higher price point
Advantages and disadvantages of Lenovo ThinkPad L15 Gen 4 (21H7) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
good battery life
solid performance
adequate connectivity options
mediocre display quality
heavier than competitors
limited graphics performance
higher price point
| DESIGN AND DIMENSIONS | ASUS ZenBook Duo UX481FA (BM020R) | Lenovo ThinkPad L15 Gen 4 (21H7) |
|---|
| 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 | 1.5 kg | 1.77 kg |
| Case Material | Metal | Polycarbonate ABS (bottom), polycarbonate ABS (top) |
| Colour | Celestial blue | Thunder black |
| DISPLAY | ASUS ZenBook Duo UX481FA (BM020R) | Lenovo ThinkPad L15 Gen 4 (21H7) |
|---|
| Screen Size (Type) | 14" | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 300 cd/m² | 250 cd/m² |
| Colour Gamut | 72% NTSC | 45% NTSC |
| Features | Anti-glare, WideView, NanoEdge display, Narrow Border Display, Pantone Validated | Anti-glare |
| PROCESSOR | ASUS ZenBook Duo UX481FA (BM020R) | Lenovo ThinkPad L15 Gen 4 (21H7) |
|---|
| CPU | Intel Core i7 (10th Gen) 10510U / 1.8 GHz | AMD Ryzen 5 Pro 7530U / 2 GHz |
|---|---|---|
| Max Turbo Speed | 4.9 GHz | 4.5 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 | Integrated memory controller |
| MEMORY | ASUS ZenBook Duo UX481FA (BM020R) | Lenovo ThinkPad L15 Gen 4 (21H7) |
|---|
| RAM | 16 GB (provided memory is soldered) | 8 GB (1 x 8 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 UX481FA (BM020R) | Lenovo ThinkPad L15 Gen 4 (21H7) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe 3.0 x2 - 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 UX481FA (BM020R) | Lenovo ThinkPad L15 Gen 4 (21H7) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | AMD Radeon Graphics |
|---|---|---|
| Max Monitors Supported | - | 3 external monitor(s) |
| 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, Smart Amplification technology | Input: Dolby Voice, far-field |
| COMMUNICATIONS | ASUS ZenBook Duo UX481FA (BM020R) | Lenovo ThinkPad L15 Gen 4 (21H7) |
|---|
| 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 | - | AMD RZ616 - M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Ethernet Controller | - | Realtek RTL8111EPV |
| Compliant Standards | - | DASH |
| Features | - | Wake-on-LAN (WOL), dual stream (2x2) |
| WWAN |
|---|
| Generation | - | 4G upgradable |
|---|
| BATTERY | ASUS ZenBook Duo UX481FA (BM020R) | Lenovo ThinkPad L15 Gen 4 (21H7) |
|---|
| Technology | 4-cell lithium polymer | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 70 Wh | 57 Wh |
| AC ADAPTER | ASUS ZenBook Duo UX481FA (BM020R) | Lenovo ThinkPad L15 Gen 4 (21H7) |
|---|
| 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 UX481FA (BM020R) | Lenovo ThinkPad L15 Gen 4 (21H7) |
|---|
| Type | Keyboard, stylus, ScreenPad Plus | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | 12.6" touch display | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | ASUS ZenBook Duo UX481FA (BM020R) | Lenovo ThinkPad L15 Gen 4 (21H7) |
|---|
| Interfaces | Headphone/microphone combo jack HDMI USB 3.1 Gen 1 USB 3.1 Gen 2 USB-C 3.1 Gen 2 |
USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) 2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI (4K support) LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (microSD) | Yes (microSD) |
| SOFTWARE | ASUS ZenBook Duo UX481FA (BM020R) | Lenovo ThinkPad L15 Gen 4 (21H7) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 11 Pro - English |
|---|
| MISCELLANEOUS | ASUS ZenBook Duo UX481FA (BM020R) | Lenovo ThinkPad L15 Gen 4 (21H7) |
|---|
| Included Accessories | Stylus, power adapter, sleeve | USB-C power adapter |
|---|---|---|
| Security | - | 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 | ErgoLift | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password |
| Compliant Standards | MIL-STD 810G | 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 | Limited warranty - 2 years | Base warranty - 1 year - pick-up and return Extended warranty - 1 year - on-site - response time: next business day |
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