Lenovo IdeaPad 520S-14IKB (Lenovo IdeaPad 520S) vs. ASUS ZenBook S UX391UA (ET087T)

Laptop Comparison, Reviews and Tests
Lenovo IdeaPad 520S-14IKB (Lenovo IdeaPad 520S)
Lenovo IdeaPad 520S-14IKB (Lenovo IdeaPad 520S)

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.

ASUS ZenBook S UX391UA (ET087T) Review

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

Laptop Comparison and Tests

Difference between Lenovo IdeaPad 520S-14IKB (Lenovo IdeaPad 520S) and ASUS ZenBook S UX391UA (ET087T)
85 % - Design
84 % - Display
85 % - Performance
75 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo IdeaPad 520S-14IKB (Lenovo IdeaPad 520S) vs. ASUS ZenBook S UX391UA (ET087T) Comparison Chart
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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