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ASUS ZenBook S UX391FA specs, features, and analysis

Here's what you need to know about 2019 ASUS ZenBook S UX391FA including price, display info, CPU, RAM, storage, battery, and more.

ASUS ZenBook S UX391FA See at Amazon Compare

Availability	ASUS ZenBook S UX391FA
Released	2019

ASUS ZenBook S UX391FA Price
	ASUS ZenBook S Ultra-Thin and Light Laptop, 13.3” UHD 4K Touch, 8th Gen Intel Core i7-8565U Processor, 16GB RAM, 512GB PCIe SSD, FP Sensor, Thunderbolt, Windows 10 Professional - UX391FA-XH74T By Asus $699.99	See at Amazon
	ASUS Zenbook S 13 OLED Laptop, 13.3” OLED 3K 60Hz Display, Intel Evo Certified, Intel Core Ultra 7 155U CPU, Intel Graphics, 32GB RAM, 1TB SSD, Windows 11 Pro, Basalt Gray, UX5304MA-XS76 By ASUS $1,399.99	See at Amazon
	ASUS ZenBook S Ultra Slim Laptop, 13.9" 3300x2200 3:2 500nits Touch, Intel Evo Core i7-1165G7, 16GB RAM, 1TB SSD, Thunderbolt 4, TPM, Windows 10 Pro, AI Noise-Cancellation, Jade Black, UX393EA-XB77T By ASUS $1,349.99 $1,699.99 21% OFF	See at Amazon
	ASUS Zenbook Duo Laptop, Dual 14” OLED 3K 120Hz Touch Display, Intel Evo Certified, Intel Core Ultra 9 185H CPU, Intel Arc Graphics, 32GB RAM, 1TB SSD, Windows 11, Inkwell Gray, UX8406MA-PS99T By ASUS $1,699.99	See at Amazon
	ASUS Zenbook S 13 Flip OLED 13.3” OLED Touch Display, Intel Evo Platform, Core i7-1260P CPU, Intel Iris Xe Graphics, 16GB RAM, 512GB SSD, Windows 11 Home, Ponder Blue, UP5302ZA-DH74T By ASUS $1,290.00 $1,499.99 14% OFF	See at Amazon

Exterior	ASUS ZenBook S UX391FA
Dimensions	12.24” x 8.39” x 0.51” (311 x 213 x 12.9 mm)
Weight	2.20 lbs (1.0 kg) With anti-glare display. 2.31 lbs (1.05 kg) WIth glossy display.
Colors	Deep Dive Blue
Keyboard and Trackpad	Keyboard Full-size backlit with 1.2mm key travel Touchpad with fingerprint reader Glass-covered with integrated fingerprint sensor supporting Windows Hello; intelligent palm-rejection Precision Touchpad (PTP) technology supports up to four-finger smart gestures

Display	ASUS ZenBook S UX391FA
Size	13.3 Inches
Info	13.3” LED-backlit 4K UHD (3840 x 2160) 16:9 glossy touchscreen 13.3” LED-backlit Full HD (1920 x 1080) 16:9 glossy screen 13.3” LED-backlit Full HD (1920 x 1080) 16:9 anti-glare screen 5.9mm-thin bezel with 85% screen-to-body ratio Wide 100% sRGB color gamut IPS-level wide-view technology ASUS Eye Care technology for up to 30% blue-light reduction

Ports	ASUS ZenBook S UX391FA
Ports	2 x Type-C™ USB 3.1 Gen 2 (Thunderbolt™ 3) 1 x Type-C™ USB 3.1 Gen 2 Note All three ports support fast charging, data transfers, and display connectivity.

Internal Specs	ASUS ZenBook S UX391FA
Processor	8th Gen Intel® Core™ i5-8265U 4 cores, 8 threads, 1.60 → 3.90 GHz, 6MB SmartCache, 15W 8th Gen Intel® Core™ i7-8565U 4 cores, 8 threads, 1.80 → 4.60 GHz, 8MB SmartCache, 15W
Geekbench 5 Single Core ASUS ZenBook S UX391FA1 8th Gen Intel® Core™ i5-8265U64580.22% 2 8th Gen Intel® Core™ i7-8565U804100.00% 0804 Geekbench 5 Multi-Core ASUS ZenBook S UX391FA1 8th Gen Intel® Core™ i5-8265U2,13291.62% 2 8th Gen Intel® Core™ i7-8565U2,327100.00% 02,327
Integrated Graphics	8th Gen Intel® Core™ i5-8265U Intel® UHD Graphics 620 24 Execution Units, 300 → 1100 MHz 8th Gen Intel® Core™ i7-8565U Intel® UHD Graphics 620 24 Execution Units, 300 → 1150 MHz
Memory	8GB 16GB 2133MHz LPDDR3 SDRAM Onboard Memory
Storage	256GB 512GB 1TB PCIe® Gen3 SSD M.2

Connectivity	ASUS ZenBook S UX391FA
Wi-Fi	Dual-band 802.11ac gigabit-class Wi-Fi
Bluetooth	Bluetooth 5.0

Battery	ASUS ZenBook S UX391FA
Size	50Wh (4-cell lithium-polymer battery)
Battery Life	Up to 19.4 hours of battery life
Power Supply	65W USB Type-C power adapter Output [email protected]

Software	ASUS ZenBook S UX391FA
OS	Windows 10 Home Windows 10 Pro
Built-in Apps	ASUS Battery Health Charging ASUS Splendid Quiet Fan

Camera & Audio	ASUS ZenBook S UX391FA
Camera	Front-facing camera 720p (1280 x 720 HD) camera.
Audio	ASUS SonicMaster stereo audio system with surround-sound; smart amplifier for maximum audio performance Array microphone with Cortana and Alexa1 voice-recognition support 3.5mm headphone jack Long-travel voice coils for improved low-frequency response Certified by Harman Kardon

Misc	ASUS ZenBook S UX391FA
Inking	Supports ASUS Pen
Sensors	Fingerprint sensor
Security	One-touch access with Windows Hello
In the box	ZenBook S (UX391) Protective sleeve USB-C™ power adaptor (65W) ASUS Mini Dock (or USB-C™ to USB-A dongle and USB-C™ to HDMI dongle) ASUS Pen (optional)

Key Features	ASUS ZenBook S UX391FA
At Glance	Released in 2019 16:9 4K 13.3” 2160p 60Hz Weight 2.20 lb 1.00 kg Up to Intel Core i7-8565U 4C/8T, 1.80 → 4.60 GHz Geekbench 5 804 Single Core Geekbench 5 2,327 Multi-Core With integrated Intel® UHD Graphics 620 24 Execution Units, 300 → 1150 MHz Configurable up to 16GB 2133 MHz LPDDR3

Photos

Our analysis and reviews

What we like

Reasons to like about ASUS ZenBook S UX391FA.

ASUS ZenBook S UX391FA exceed all minimum system requirements for Windows 11.

Requirements	ASUS ZenBook S UX391FA
Secure Boot	Yes
TPM 2.0	TPM 2.0
Processor	Intel Core i5-8265U → Intel Core i7-8565U
4GB RAM	8GB → 16GB
64GB Drive	256GB → 2TB
2 Cores CPU	4 cores

According to ASUS, the ASUS ZenBook S UX391FA lasts up to 19.4 hours of battery life.

Up to 19.4 hours of battery life

ASUS ZenBook S UX391FA comes with a single removable M.2 SSD slot that you can replace and upgrade in the future. Learn more

Storage Slots	ASUS ZenBook S UX391FA
M.2	x1

What we don't like

Reasons not to like about ASUS ZenBook S UX391FA.

The memory on ASUS ZenBook S UX391FA is soldered to the motherboard, and there is no additional RAM slot for expansion. Since you can't change or add more RAM after you buy, you want to make sure you pick the configuration with the right amount of memory at the initial purchase. Learn more

Memory	ASUS ZenBook S UX391FA
Slots	0 - Onboard
Type	LPDDR3
Speed	2133 MHz