Lenovo ThinkPad X280 (20KF) vs. ASUS ZenBook S UX391UA (ET082T)

Laptop Comparison, Reviews and Tests
Lenovo ThinkPad X280 (20KF)
Lenovo ThinkPad X280 (20KF)

Detailed comparison and review of Lenovo ThinkPad X280 (20KF) and ASUS ZenBook S UX391UA (ET082T). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.

ASUS ZenBook S UX391UA (ET082T) Review

Advantages and disadvantages of ASUS ZenBook S UX391UA (ET082T) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

solid build quality

decent processor performance

ample storage options

lightweight design

average battery life

mediocre display quality

limited graphics capability

no backlit keyboard

Laptop Comparison and Tests

Difference between Lenovo ThinkPad X280 (20KF) and ASUS ZenBook S UX391UA (ET082T)
86 % - Design
83 % - Display
84 % - Performance
72 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad X280 (20KF) vs. ASUS ZenBook S UX391UA (ET082T) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad X280 (20KF) ASUS ZenBook S UX391UA (ET082T)
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 1.05 kg
Case Material Glass-fibre, magnesium-aluminum alloy -
Colour Black Burgundy red
DISPLAY Lenovo ThinkPad X280 (20KF) ASUS ZenBook S UX391UA (ET082T)
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 300 cd/m²
Colour Gamut - 72% NTSC
Features Anti-glare Glare, ASUS EyeCare Technology, 178° horizontal and vertical viewing angle
PROCESSOR Lenovo ThinkPad X280 (20KF) ASUS ZenBook S UX391UA (ET082T)
CPU Intel Core i5 (8th Gen) 8250U / 1.6 GHz Intel Core i5 (8th Gen) 8250U / 1.6 GHz
Max Turbo Speed 3.4 GHz 3.4 GHz
Number of Cores Quad-Core Quad-Core
Cache 6 MB 6 MB
64-bit Computing Yes Yes
Features Integrated memory controller Intel Turbo Boost Technology 2.0
MEMORY Lenovo ThinkPad X280 (20KF) ASUS ZenBook S UX391UA (ET082T)
RAM 8 GB (provided memory is soldered) 8 GB (provided memory is soldered)
RAM Type DDR4 SDRAM LPDDR3 SDRAM
Speed 2400 MHz 2133 MHz
Rated Speed 2400 MHz 2133 MHz
STORAGE Lenovo ThinkPad X280 (20KF) ASUS ZenBook S UX391UA (ET082T)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 PCIe - TCG Opal Encryption, NVM Express (NVMe) - Samsung 256 GB SSD M.2 SATA 6Gb/s
AUDIO & VIDEO Lenovo ThinkPad X280 (20KF) ASUS ZenBook S UX391UA (ET082T)
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 (ET082T)
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 (ET082T)
Technology 6-cell Lithium Ion 4-cell Lithium Ion
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 (ET082T)
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, 19 V, 3.42 A
INPUT Lenovo ThinkPad X280 (20KF) ASUS ZenBook S UX391UA (ET082T)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Keyboard Backlight - Yes
Features Spill-resistant, multi-touch touchpad, buttonless touchpad Windows Hello
CONNECTIONS & EXPANSIONS Lenovo ThinkPad X280 (20KF) ASUS ZenBook S UX391UA (ET082T)
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)
HDMI (on expansion base)
USB-C (on expansion base)
USB 3.0 (on expansion base)
Memory Card Reader Yes (microSD) -
SOFTWARE Lenovo ThinkPad X280 (20KF) ASUS ZenBook S UX391UA (ET082T)
Operating System (OS) Windows 10 Pro 64-bit Edition Windows 10 Home 64-bit Edition
MISCELLANEOUS Lenovo ThinkPad X280 (20KF) ASUS ZenBook S UX391UA (ET082T)
Dockable Yes -
Included Accessories USB-C power adapter Sleeve, mini dock, USB-C power adapter
Security Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Firmware Trusted Platform Module (TPM) Security Chip, 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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