ASUS ZenBook S UX391UA (ET053R) vs. ASUS ZenBook 13 (UX331FAL)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of ASUS ZenBook S UX391UA (ET053R) and ASUS ZenBook 13 (UX331FAL). 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 (ET053R) Review

Advantages and disadvantages of ASUS ZenBook S UX391UA (ET053R) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

solid build quality

decent processor performance

ample storage options

good graphic capabilities

average battery life

dim display brightness

limited viewing angles

no backlit keyboard

ASUS ZenBook 13 (UX331FAL) Review

Advantages and disadvantages of ASUS ZenBook 13 (UX331FAL) based on its technical characteristics, features, user experience, expert reviews and price level.

ultra-slim design

lightweight portability

sharp full-HD display

fast SSD storage

decent battery life

limited port selection

no dedicated GPU

average speaker quality

pricier than competitors

Laptop Comparison and Tests

Difference between ASUS ZenBook S UX391UA (ET053R) and ASUS ZenBook 13 (UX331FAL)
83 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery
82 % - Design
85 % - Display
84 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

ASUS ZenBook S UX391UA (ET053R) vs. ASUS ZenBook 13 (UX331FAL) Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenBook S UX391UA (ET053R) ASUS ZenBook 13 (UX331FAL)
Product Type Notebook Notebook
Dimensions (WxDxH) 31.1 cm x 21.3 cm x 1.29 cm 31 cm x 21.6 cm x 1.39 cm
Weight 1 kg 990 g
Colour Deep dive blue Deep dive blue
DISPLAY ASUS ZenBook S UX391UA (ET053R) ASUS ZenBook 13 (UX331FAL)
Screen Size (Type) 13.3" 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 - 300 cd/m²
Colour Gamut 72% NTSC 100% sRGB, 72% NTSC
Features Anti-glare, 178° horizontal and vertical viewing angle ASUS Splendid Video Intelligence Technology, anti-glare, WideView, 178° horizontal and vertical viewing angle, NanoEdge display, 72% NTSC colour gamut
PROCESSOR ASUS ZenBook S UX391UA (ET053R) ASUS ZenBook 13 (UX331FAL)
CPU Intel Core i7 (8th Gen) 8550U / 1.8 GHz Intel Core i5 (8th Gen) 8265U / 1.6 GHz
Max Turbo Speed 4 GHz 3.9 GHz
Number of Cores Quad-Core Quad-Core
Cache - 6 MB
64-bit Computing Yes Yes
MEMORY ASUS ZenBook S UX391UA (ET053R) ASUS ZenBook 13 (UX331FAL)
RAM 16 GB (provided memory is soldered) 8 GB (provided memory is soldered)
RAM Type LPDDR3 SDRAM LPDDR3 SDRAM
Speed 2133 MHz -
Rated Speed 2133 MHz -
STORAGE ASUS ZenBook S UX391UA (ET053R) ASUS ZenBook 13 (UX331FAL)
Main Storage Size (HDD/SSD) 1 TB SSD M.2 PCIe 256 GB SSD M.2 PCIe - NVM Express (NVMe)
AUDIO & VIDEO ASUS ZenBook S UX391UA (ET053R) ASUS ZenBook 13 (UX331FAL)
Graphics Processor (GPU) Intel UHD Graphics 620 Intel UHD Graphics
Camera Yes - HD Yes - VGA
Sound Harman/kardon stereo speakers, array microphone Harman/kardon stereo speakers, array microphone
Audio Features ASUS SonicMaster ASUS SonicMaster, ASUS Bang & Olufsen ICEpower
COMMUNICATIONS ASUS ZenBook S UX391UA (ET053R) ASUS ZenBook 13 (UX331FAL)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.2 802.11a/b/g/n/ac, Bluetooth 4.2
BATTERY ASUS ZenBook S UX391UA (ET053R) ASUS ZenBook 13 (UX331FAL)
Technology 4-cell 3-cell Lithium Ion
Battery Capacity (Size) 50 Wh 50 Wh
Battery Life Up to 13.5 hours -
AC ADAPTER ASUS ZenBook S UX391UA (ET053R) ASUS ZenBook 13 (UX331FAL)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt, 20 V 45 Watt, 19 V, 2.37 A
INPUT ASUS ZenBook S UX391UA (ET053R) ASUS ZenBook 13 (UX331FAL)
Type Keyboard, touchpad Keyboard, touchpad
Keyboard Backlight Yes Yes
Features Chiclet keyboard -
CONNECTIONS & EXPANSIONS ASUS ZenBook S UX391UA (ET053R) ASUS ZenBook 13 (UX331FAL)
Interfaces 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)
Headphone/microphone combo jack
2 x USB 3.2 Gen 1
USB-C 3.1 Gen 1
HDMI
Memory Card Reader - Yes (microSD, microSDHC, microSDXC)
SOFTWARE ASUS ZenBook S UX391UA (ET053R) ASUS ZenBook 13 (UX331FAL)
Operating System (OS) Windows 10 Pro 64-bit Edition Windows 10 Pro
MISCELLANEOUS ASUS ZenBook S UX391UA (ET053R) ASUS ZenBook 13 (UX331FAL)
Included Accessories USB-C power adapter Power adapter
Security Fingerprint reader Firmware Trusted Platform Module (TPM) Security Chip, fingerprint reader
Model Number - EG075R
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