Detailed comparison and review of ASUS ZenBook Duo UX481FL (HJ080R) and Lenovo ThinkPad E15 Gen 4 (21E6). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
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 E15 Gen 4 (21E6) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
efficient performance
comfortable keyboard
good security features
reasonable price
average display quality
moderate battery life
limited graphics capability
no thunderbolt support
DESIGN AND DIMENSIONS | ASUS ZenBook Duo UX481FL (HJ080R) | Lenovo ThinkPad E15 Gen 4 (21E6) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 32.3 cm x 22.3 cm x 1.99 cm | 36.5 cm x 24 cm x 1.89 cm |
Weight | 1.6 kg | 1.7 kg |
Case Material | Aluminum, magnesium-aluminum alloy | Aluminium (top), polycarbonate ABS (bottom) |
Colour | Celestial blue | Black |
DISPLAY | ASUS ZenBook Duo UX481FL (HJ080R) | Lenovo ThinkPad E15 Gen 4 (21E6) |
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Screen Size (Type) | 14" | 15.6" - IPS |
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Touchscreen | Yes | - |
LCD Backlight Technology | LED backlight | 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 | 300 cd/m² |
Colour Gamut | 100% sRGB | 45% NTSC |
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 E15 Gen 4 (21E6) |
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CPU | Intel Core i7 (10th Gen) 10510U / 1.8 GHz | Intel Core i5 (12th Gen) 1235U / 1.3 GHz |
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Max Turbo Speed | 4.9 GHz | 4.4 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 (HJ080R) | Lenovo ThinkPad E15 Gen 4 (21E6) |
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RAM | 16 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
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Max RAM Supported | - | 40 GB |
RAM Type | LPDDR3 SDRAM | DDR4 SDRAM |
Speed | 2133 MHz | 3200 MHz |
Rated Speed | - | 3200 MHz |
Form Factor | - | SO-DIMM 260-pin |
Slots Qty | - | 1 |
Empty Slots | - | 1 |
STORAGE | ASUS ZenBook Duo UX481FL (HJ080R) | Lenovo ThinkPad E15 Gen 4 (21E6) |
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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) |
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AUDIO & VIDEO | ASUS ZenBook Duo UX481FL (HJ080R) | Lenovo ThinkPad E15 Gen 4 (21E6) |
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Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
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Graphics Processor (GPU) | NVIDIA GeForce MX250 / Intel UHD Graphics | Intel Iris Xe Graphics |
Max Monitors Supported | - | 2 external monitor(s) |
Video Memory | 2 GB GDDR5 SDRAM | - |
Camera | Yes - HD | Yes - 1080p |
Camera Features | IR camera, Windows Hello | Privacy shutter, IR camera, Windows Hello, fixed focus |
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 | Harman-branded |
COMMUNICATIONS | ASUS ZenBook Duo UX481FL (HJ080R) | Lenovo ThinkPad E15 Gen 4 (21E6) |
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Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
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Wireless Controller | - | M.2 Card |
Network Interface | - | Gigabit Ethernet |
Ethernet Controller | - | Intel I219-V |
Features | Dual stream (2x2) | Wake-on-LAN (WOL), dual stream (2x2) |
BATTERY | ASUS ZenBook Duo UX481FL (HJ080R) | Lenovo ThinkPad E15 Gen 4 (21E6) |
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Technology | 4-cell lithium polymer | Lithium polymer |
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Battery Capacity (Size) | 70 Wh | 57 Wh |
Battery Life | - | Up to 15.6 hours |
AC ADAPTER | ASUS ZenBook Duo UX481FL (HJ080R) | Lenovo ThinkPad E15 Gen 4 (21E6) |
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Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 65 Watt, 19 V, 3.42 A | 65 Watt |
INPUT | ASUS ZenBook Duo UX481FL (HJ080R) | Lenovo ThinkPad E15 Gen 4 (21E6) |
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Type | Keyboard, stylus, ScreenPad Plus | Keyboard, TrackPoint, UltraNav |
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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 (HJ080R) | Lenovo ThinkPad E15 Gen 4 (21E6) |
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Interfaces | USB-C 3.2 Gen 2 USB 3.2 Gen 2 USB 3.2 Gen 1 HDMI Headphone/microphone combo jack |
USB 2.0 USB 3.2 Gen 1 (Always On) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI LAN Headphone/microphone combo jack |
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Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | - |
SOFTWARE | ASUS ZenBook Duo UX481FL (HJ080R) | Lenovo ThinkPad E15 Gen 4 (21E6) |
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Operating System (OS) | Windows 10 Pro | Windows 11 Pro - English |
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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 E15 Gen 4 (21E6) |
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Included Accessories | Stylus, power adapter, sleeve, stand | USB-C power adapter |
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Security | Firmware Trusted Platform Module (TPM) Security Chip | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
Security Slot Type | - | Kensington 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, NVMe password |
Compliant Standards | - | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified, TUV Rheinland Low Blue Light (Software Solution) |
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 - 1 year - pick-up and return Extended warranty - 1 year - on-site |