In depth comparison and review of Lenovo IdeaPad 520S-14IKB (Lenovo IdeaPad 520S) and ASUS ZenBook S UX391UA (ET087T). 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 UX391UA (ET087T) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
decent processor performance
ample storage capacity
good keyboard layout
average display quality
no backlit keyboard
limited graphics performance
mediocre battery life
| DESIGN AND DIMENSIONS | Lenovo IdeaPad 520S-14IKB (Lenovo IdeaPad 520S) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 32.74 cm x 23.65 cm x 1.93 cm | 31.1 cm x 21.3 cm x 1.29 cm |
| Weight | 1.7 kg | 1 kg |
| Case Material | Aluminum, polycarbonate ABS | - |
| Colour | Mineral grey | Deep dive blue |
| DISPLAY | Lenovo IdeaPad 520S-14IKB (Lenovo IdeaPad 520S) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Screen Size (Type) | 14" - IPS | 13.3" |
|---|---|---|
| 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 | 220 cd/m² | 300 cd/m² |
| Colour Gamut | - | 72% NTSC |
| Features | Anti-glare | Ultra Slim Design, anti-glare, WideView, 178° horizontal and vertical viewing angle |
| PROCESSOR | Lenovo IdeaPad 520S-14IKB (Lenovo IdeaPad 520S) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| CPU | Intel Core i3 (7th Gen) 7130U / 2.7 GHz | Intel Core i7 (8th Gen) 8550U / 1.8 GHz |
|---|---|---|
| Max Turbo Speed | - | 4 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 3 MB | 8 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | Intel Turbo Boost Technology 2.0 |
| MEMORY | Lenovo IdeaPad 520S-14IKB (Lenovo IdeaPad 520S) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| RAM | 4 GB (1 x 4 GB) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 8 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR3 SDRAM |
| Speed | 2133 MHz | 2133 MHz |
| Rated Speed | 2400 MHz | 2133 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | Lenovo IdeaPad 520S-14IKB (Lenovo IdeaPad 520S) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD 2.5" SATA 6Gb/s - Samsung | 256 GB SSD M.2 SATA 6Gb/s |
|---|
| AUDIO & VIDEO | Lenovo IdeaPad 520S-14IKB (Lenovo IdeaPad 520S) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 620 | Intel UHD Graphics 620 |
|---|---|---|
| Camera | Yes - 720p | Yes - HD |
| Sound | Stereo speakers, dual array microphone | Harman/kardon stereo speakers, array microphone |
| Compliant Standards | High Definition Audio, Dolby Audio | - |
| Audio Features | Harman audio technology | ASUS SonicMaster |
| COMMUNICATIONS | Lenovo IdeaPad 520S-14IKB (Lenovo IdeaPad 520S) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| 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 3165 - M.2 Card | - |
| BATTERY | Lenovo IdeaPad 520S-14IKB (Lenovo IdeaPad 520S) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Technology | 2-cell Lithium Ion | 4-cell |
|---|---|---|
| Battery Capacity (Size) | 30 Wh | 50 Wh |
| Battery Life | Up to 7 hours | Up to 13.5 hours |
| AC ADAPTER | Lenovo IdeaPad 520S-14IKB (Lenovo IdeaPad 520S) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 20 V, 2.25 A | 65 Watt, 20 V |
| INPUT | Lenovo IdeaPad 520S-14IKB (Lenovo IdeaPad 520S) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Multi-touch touchpad | - |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad 520S-14IKB (Lenovo IdeaPad 520S) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Interfaces | USB 2.0 (Always On) USB 3.1 Gen 1/USB 3.0 USB-C 3.1 Gen 1 HDMI 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 | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
| SOFTWARE | Lenovo IdeaPad 520S-14IKB (Lenovo IdeaPad 520S) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 10 Home |
|---|
| MISCELLANEOUS | Lenovo IdeaPad 520S-14IKB (Lenovo IdeaPad 520S) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | - | Firmware Trusted Platform Module (TPM) Security Chip |
| 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 | - |
| Compliant Standards | RoHS | - |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | Limited warranty - 2 years - pick-up and return | - |
| Model Number | 14IKB 80X2 | - |
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