In depth comparison and review of ASUS ZenBook S UX391FA (EA062T) and Lenovo ThinkPad T490 (20N3). 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 S UX391FA (EA062T) based on its technical characteristics, features, user experience, expert reviews and price level.
ultra-slim design
vibrant full-HD display
solid state drive performance
lightweight portability
efficient power consumption
limited port selection
no dedicated GPU
average audio quality
higher price point
Advantages and disadvantages of Lenovo ThinkPad T490 (20N3) 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 color
limited storage capacity
no dedicated GPU
heavier than competitors
| DESIGN AND DIMENSIONS | ASUS ZenBook S UX391FA (EA062T) | Lenovo ThinkPad T490 (20N3) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 31.1 cm x 21.3 cm x 1.29 cm | 32.9 cm x 22.7 cm x 1.79 cm |
| Weight | 1.05 kg | 1.46 kg |
| Case Material | Aluminum, magnesium-aluminum alloy | Glass-fibre, polyphenylene sulfide, polyamide |
| Colour | Deep dive blue | Black |
| DISPLAY | ASUS ZenBook S UX391FA (EA062T) | Lenovo ThinkPad T490 (20N3) |
|---|
| Screen Size (Type) | 13.3" | 14" - IPS |
|---|---|---|
| Touchscreen | Yes | - |
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 3840 x 2160 (Ultra HD 4K) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 350 cd/m² | 400 cd/m² |
| Colour Gamut | 100% sRGB | 72% |
| Features | ASUS Splendid Video Intelligence Technology, glare, ASUS EyeCare Technology, 178° horizontal and vertical viewing angle | Anti-glare, 170° viewing angle, Low Power |
| PROCESSOR | ASUS ZenBook S UX391FA (EA062T) | Lenovo ThinkPad T490 (20N3) |
|---|
| CPU | Intel Core i7 (8th Gen) 8565U / 1.8 GHz | Intel Core i5 (8th Gen) 8265U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.6 GHz | 3.9 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 8 MB | 6 MB |
| 64-bit Computing | Yes | Yes |
| Features | Intel Turbo Boost Technology 2.0 | Integrated memory controller |
| MEMORY | ASUS ZenBook S UX391FA (EA062T) | Lenovo ThinkPad T490 (20N3) |
|---|
| RAM | 16 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | - | 40 GB |
| RAM Type | LPDDR3 SDRAM | DDR4 SDRAM |
| Speed | 2133 MHz | 2400 MHz |
| Rated Speed | 2133 MHz | 2666 MHz |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 1 |
| STORAGE | ASUS ZenBook S UX391FA (EA062T) | Lenovo ThinkPad T490 (20N3) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe - NVM Express (NVMe) | 128 GB SSD M.2 2242 PCIe 3.0 x2 - SK Hynix |
|---|
| AUDIO & VIDEO | ASUS ZenBook S UX391FA (EA062T) | Lenovo ThinkPad T490 (20N3) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | Intel UHD Graphics 620 |
|---|---|---|
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | - | ThinkShutter camera privacy |
| Sound | Harman/kardon stereo speakers, array microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3287 |
| Compliant Standards | - | High Definition Audio, Dolby Audio Premium |
| Audio Features | ASUS SonicMaster | - |
| COMMUNICATIONS | ASUS ZenBook S UX391FA (EA062T) | Lenovo ThinkPad T490 (20N3) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | - | Intel Wireless-AC 9560 |
| Network Interface | - | Gigabit Ethernet |
| BATTERY | ASUS ZenBook S UX391FA (EA062T) | Lenovo ThinkPad T490 (20N3) |
|---|
| Technology | 4-cell Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 50 Wh | 50 Wh |
| Battery Life | - | Up to 16.11 hours |
| AC ADAPTER | ASUS ZenBook S UX391FA (EA062T) | Lenovo ThinkPad T490 (20N3) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 19 V, 3.42 A | 65 Watt |
| INPUT | ASUS ZenBook S UX391FA (EA062T) | Lenovo ThinkPad T490 (20N3) |
|---|
| Type | Keyboard, touchpad, stylus | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes | - |
| Features | Chiclet keyboard, Windows Hello | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | ASUS ZenBook S UX391FA (EA062T) | Lenovo ThinkPad T490 (20N3) |
|---|
| Interfaces | Headphone/microphone combo jack USB-C 3.2 Gen 1 (Power Delivery/data/video) 2 x USB-C 3.1 Gen 2 (supports Thunderbolt 3) (Power Delivery/data/video) HDMI (on expansion base) USB-C (on expansion base) USB 3.0 (on expansion base) |
USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) HDMI Dock Headphone/microphone combo jack LAN |
|---|---|---|
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | ASUS ZenBook S UX391FA (EA062T) | Lenovo ThinkPad T490 (20N3) |
|---|
| Operating System (OS) | Windows 10 Home | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | ASUS ZenBook S UX391FA (EA062T) | Lenovo ThinkPad T490 (20N3) |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | Stylus, sleeve, mini dock, USB-C power adapter | USB-C power adapter |
| Security | Firmware Trusted Platform Module (TPM) Security Chip, fingerprint reader | 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, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested |
| Compliant Standards | - | RoHS |
| ENERGY STAR Certified | - | Yes |
| EPEAT Compliant | - | EPEAT Gold |
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