Side by side comparison and review of Lenovo ThinkPad X280 (20KF) and ASUS ZenBook S UX391UA (ET053T). 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 ASUS ZenBook S UX391UA (ET053T) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
ample storage options
decent processor speed
lightweight design
solid build quality
average display quality
limited graphics performance
short battery life
no backlit keyboard
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X280 (20KF) | ASUS ZenBook S UX391UA (ET053T) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 30.77 cm x 20.98 cm x 1.78 cm | 31.1 cm x 21.3 cm x 1.29 cm |
| Weight | 1.26 kg | 1 kg |
| Case Material | Glass-fibre, magnesium-aluminum alloy | - |
| Colour | Black | Deep dive blue |
| DISPLAY | Lenovo ThinkPad X280 (20KF) | ASUS ZenBook S UX391UA (ET053T) |
|---|
| Screen Size (Type) | 12.5" | 13.3" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1366 x 768 (HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 220 cd/m² | - |
| Colour Gamut | - | 72% NTSC |
| Features | Anti-glare | Anti-glare, 178° horizontal and vertical viewing angle |
| PROCESSOR | Lenovo ThinkPad X280 (20KF) | ASUS ZenBook S UX391UA (ET053T) |
|---|
| CPU | Intel Core i5 (8th Gen) 8250U / 1.6 GHz | Intel Core i7 (8th Gen) 8550U |
|---|---|---|
| Max Turbo Speed | 3.4 GHz | - |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 6 MB | - |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkPad X280 (20KF) | ASUS ZenBook S UX391UA (ET053T) |
|---|
| RAM | 8 GB (provided memory is soldered) | 16 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR4 SDRAM | LPDDR3 SDRAM |
| Speed | 2400 MHz | - |
| Rated Speed | 2400 MHz | - |
| STORAGE | Lenovo ThinkPad X280 (20KF) | ASUS ZenBook S UX391UA (ET053T) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe - TCG Opal Encryption, NVM Express (NVMe) - Samsung | 1 TB SSD M.2 PCIe - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X280 (20KF) | ASUS ZenBook S UX391UA (ET053T) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | Intel UHD Graphics 620 |
|---|---|---|
| Camera | Yes - 720p | Yes - HD |
| Camera Features | ThinkShutter camera privacy | - |
| 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 |
| COMMUNICATIONS | Lenovo ThinkPad X280 (20KF) | ASUS ZenBook S UX391UA (ET053T) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 8265 - M.2 Card | - |
| Features | Gigabit Ethernet via optional Ethernet (RJ-45) adapter | - |
| WWAN |
|---|
| Generation | 4G | - |
|---|---|---|
| Technology | LTE | - |
| Controller | FIBOCOM L830-EB - M.2 Card | - |
| BATTERY | Lenovo ThinkPad X280 (20KF) | ASUS ZenBook S UX391UA (ET053T) |
|---|
| Technology | 6-cell Lithium Ion | 4-cell |
|---|---|---|
| Battery Capacity (Size) | 48 Wh | 50 Wh |
| Battery Life | Up to 16.6 hours | Up to 13.5 hours |
| AC ADAPTER | Lenovo ThinkPad X280 (20KF) | ASUS ZenBook S UX391UA (ET053T) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 20 V, 3.25 A | 65 Watt, 20 V |
| INPUT | Lenovo ThinkPad X280 (20KF) | ASUS ZenBook S UX391UA (ET053T) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X280 (20KF) | ASUS ZenBook S UX391UA (ET053T) |
|---|
| Slots | Nano-SIM card | - |
|---|---|---|
| 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 Lenovo Ethernet extension connector Dock Headphone/microphone combo jack |
Headphone/microphone combo jack USB-C 3.1 Gen 1 (Power Delivery/data/video) 2 x USB-C 3.1 Gen 2 (supports Thunderbolt 3) (Power Delivery/data/video) |
| Memory Card Reader | Yes (microSD) | - |
| SOFTWARE | Lenovo ThinkPad X280 (20KF) | ASUS ZenBook S UX391UA (ET053T) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 10 Home 64-bit Edition |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X280 (20KF) | ASUS ZenBook S UX391UA (ET053T) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | USB-C power adapter | USB-C power adapter |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Fingerprint reader |
| Security Slot Type | Kensington mini security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested | - |
| Compliant Standards | RoHS | - |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | Limited warranty - 3 years - pick-up and return | - |
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