Side by side comparison and review of Lenovo ThinkPad T490 (20N2) and ASUS ZenBook Duo UX481FA (BM021R). 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 Lenovo ThinkPad T490 (20N2) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
impressive battery life
good security features
reliable performance
mediocre display quality
limited graphics power
noisy under load
heavier than competitors
Advantages and disadvantages of ASUS ZenBook Duo UX481FA (BM021R) based on its technical characteristics, features, user experience, expert reviews and price level.
innovative dual-screen design
compact and portable
solid build quality
efficient multitasking
touchscreen functionality
average battery life
no dedicated GPU
limited upgradeability
higher price point
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T490 (20N2) | ASUS ZenBook Duo UX481FA (BM021R) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 32.9 cm x 22.7 cm x 1.79 cm | 32.3 cm x 22.3 cm x 1.95 cm |
| Weight | 1.55 kg | 1.5 kg |
| Case Material | Glass-fibre, polyphenylene sulfide, polyamide | Aluminum |
| Colour | Black | Celestial blue |
| DISPLAY | Lenovo ThinkPad T490 (20N2) | ASUS ZenBook Duo UX481FA (BM021R) |
|---|
| Screen Size (Type) | 14" - IPS | 14" |
|---|---|---|
| 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 | 250 cd/m² | 300 cd/m² |
| Colour Gamut | 45% | 72% NTSC |
| Features | Anti-glare | Anti-glare, WideView |
| PROCESSOR | Lenovo ThinkPad T490 (20N2) | ASUS ZenBook Duo UX481FA (BM021R) |
|---|
| CPU | Intel Core i5 (8th Gen) 8265U / 1.6 GHz | Intel Core i7 (10th Gen) 10510U / 1.8 GHz |
|---|---|---|
| Max Turbo Speed | 3.9 GHz | 4.9 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 6 MB | 8 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | Intel Turbo Boost Technology 2.0 |
| MEMORY | Lenovo ThinkPad T490 (20N2) | ASUS ZenBook Duo UX481FA (BM021R) |
|---|
| RAM | 8 GB (provided memory is soldered) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 40 GB | - |
| RAM Type | DDR4 SDRAM | - |
| Speed | 2400 MHz | - |
| Rated Speed | 2666 MHz | - |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 1 | - |
| STORAGE | Lenovo ThinkPad T490 (20N2) | ASUS ZenBook Duo UX481FA (BM021R) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe - TCG Opal Encryption 2, NVM Express (NVMe) | 1 TB SSD M.2 PCIe 3.0 x4 |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T490 (20N2) | ASUS ZenBook Duo UX481FA (BM021R) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics |
|---|---|---|
| Camera | Yes - 720p | Yes - HD |
| Camera Features | ThinkShutter camera privacy | IR camera |
| Sound | Stereo speakers, dual array microphone | Harman/kardon stereo speakers, array microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio Premium | - |
| Audio Features | - | ASUS SonicMaster, Bang & Olufsen Audio |
| COMMUNICATIONS | Lenovo ThinkPad T490 (20N2) | ASUS ZenBook Duo UX481FA (BM021R) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | Bluetooth 5.0, 802.11a/b/g/n/ac/ax |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9560 | - |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Intel I219-V | - |
| WWAN |
|---|
| Generation | 4G | - |
|---|---|---|
| Technology | LTE | - |
| Controller | FIBOCOM L830-EB - M.2 Card | - |
| BATTERY | Lenovo ThinkPad T490 (20N2) | ASUS ZenBook Duo UX481FA (BM021R) |
|---|
| Technology | Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 50 Wh | 70 Wh |
| Battery Life | Up to 16.11 hours | - |
| AC ADAPTER | Lenovo ThinkPad T490 (20N2) | ASUS ZenBook Duo UX481FA (BM021R) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt, 19.5 V, 3.42 A |
| INPUT | Lenovo ThinkPad T490 (20N2) | ASUS ZenBook Duo UX481FA (BM021R) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, stylus, ScreenPad Plus |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | - |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T490 (20N2) | ASUS ZenBook Duo UX481FA (BM021R) |
|---|
| Slots | 1 x Nano-SIM card (1 free) | - |
|---|---|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 USB-C 3.1 Gen 2 (supports Thunderbolt 3) HDMI Dock Headphone/microphone combo jack LAN |
USB-C 3.1 Gen 2 USB 3.1 Gen 2 USB 3.1 Gen 1 HDMI |
| Memory Card Reader | Yes (microSD) | - |
| SOFTWARE | Lenovo ThinkPad T490 (20N2) | ASUS ZenBook Duo UX481FA (BM021R) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | Lenovo ThinkPad T490 (20N2) | ASUS ZenBook Duo UX481FA (BM021R) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | USB-C power adapter | Stylus, power adapter |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader | Firmware Trusted Platform Module (TPM) Security Chip |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Administrator password, hard drive password, power-on password, MIL-STD-810G tested | - |
| Compliant Standards | RoHS | - |
| SAR Value | - | 0.529 W/kg (body), 0.529 W/kg (limb) |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Gold | - |
| Manufacturer Warranty | Limited warranty - 3 years - pick-up and return Limited warranty - battery - 1 year |
- |
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