ASUS Zenbook S Specs

Announced at the Computer 2018 event back in June 2018, the ZenBook S is ASUS’s latest premium laptop with brilliant design and also one of the best portable workstation money can buy you at the moment. On the inside, the Asus ZenBook S wouldn’t disappoint either as it sports fast and responsive Intel 8th generation processors, as well as just the right amount (and more) of RAM to keep applications running without hassle.

Asus ZenBook S Key Specs & Features

  • Windows 10 Pro, Windows 10 Home
  • 8GB, 16GB RAM
  • 13.3-inch LED-backlit 4K UHD, (3840 x 2160), 13.3-inch LED-backlit Full HD, (1920 x 1080)
  • Integrated Intel® UHD Graphics 620
  • 1TB, 512GB, 256GB Storage
  • Deep Dive Blue, Burgundy Red Colors
  • 50Wh 4-cell lithium-polymer battery
  • Glass-covered with integrated fingerprint sensor supporting Windows Hello

Asus ZenBook S

The display quality is also brilliant and comes in different options that can be customized according to preference. In terms of size and its lightweight nature, the Asus ZenBook S is unbelievably impressive when performance is taken into consideration. And although it is a bit pricey, it is a very good alternative to high-end 13-inch ultrabooks like the Dell XPS 13. ND HP Spectre 13.

ASUS ZenBook S Key Specs

  • 13.3-inch FHD or 4K IPS, non-touch, matte or reflective display
  • Intel KabyLake-R Core i5-8250U or Core i7-8550U CPU
  • Intel UHD 620
  • 8 GB LPDDR3 (soldered) or 16GB (soldered)
  • 256GB or 512GB SSD
  • 1x USB 3.1 Type-C gen 1, 2x USB-C with Thunderbolt 3, mic/headphone
  • 50 Wh battery
  • Windows 10
  • Backlit keyboard, VGA webcam, available in Deep Dive Blue and Burgundy Red


Asus ZenBook S

The metal alloy material used to built the top and bottom chassis reeks of nothing but sturdiness, brilliant ergonomics, and premiumness. Also, the device was manufactured using up to 40 processes and is MIL-STD 810 G tested against extremes of temperature, humidity, shock etc.

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One of the highlights of the laptop’s design is its hinge mechanism which ASUS calls the ‘ErgoLift’ hinge. When you pen the ZenBook S lid, the bottom chassis (or base) is tilted upward to about 5.5 degrees food improved airflow, audio quality, as well as overall typing experience. Perhaps due to the need to keep the ZenBook S as slim as possible, a couple of connectivity ports have been axed off. All the Asus ZenBook S comes with are USB-C ports and an audio jack. Interestingly, despite the lack of some vitl ports, Asus makes up for it by adding a couple of accessories out-of-the-box. USB-C to USB-A, USB-C to HDMI etc.

Asus ZenBook S

The ZenBook S ultrabook is available in Deep Dive Blue and Burgundy Red colour options. The keyboard is backlit, looks smooth, and comfy. Likewise the touchpad. Interestingly, there is a fingerprint reader embedded in the touchpad for Windows 10 Hello authentication support.


While there are three display configurations of the Asus ZenBook S, they all have the same 13.3-inch IPS panel display with slim bezels that are perhaps the narrowest you’d find on a 13-inch laptop. There are three different options to configure the ZenbZen S display.:

  • 13.3-inch touchscreen, matte FHD (1920 x 1080 pixels) resolution
  • 13.3 inch non-touch, glossy FHD (1920 x 1080 pixels) resolution
  • 13.3 inch touchscreen glossy UHD (3,840 x 2,160 pixels) resolution

Processor and Storage

The Asus ZenBook S will perform brilliantly with unruffled speed and fluidity as it uses Intel latest 8th generation Whiskey Lake hardware. It is available in Core i5-8250U and Core i7-8550U variants both of which are laced with Intel UHD 620 Graphics.

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The Core i5 model of the ZenBook S comes with 8GB of RAM, 256GB SSD while the Core i7 counterpart sports 16GB RAM and 512GB SSD. The RAM, as well as the processor,  are soldered to the main board. This means that RAM cannot be replaced or expanded. The SSD, however, isn’t soldered and can be easily replaced, expanded, or both. Both versions of the ZenBook S run the Home Edition of the Microsoft Windows 10 operating system out-of-the-box.


The Asus ZenBook S has a 50Wh battery which, though won’t supply all-day battery life and usage, can last anywhere between 6 hours to 8 hours on in light usage, minimal brightness, and other factors. The battery is held by a screw and can be replaced and swapped easily.


The Asus ZenBook S is priced according to the following configurations:

  • Model 1: Intel Core i7-8550U CPU, 16GB RAM, a 512GB PCIe SSD, 13.3-inch 4K UHD display — ~$US 1,500.
  • Model 2: Intel Core i5-8250U, 8GB RAM, 256GB SSD, FHD display — ~$US 1,200.

Asus ZenBook S UX391UA Specs

Here are a few specs of the Asus ZenBook S UX391UA:

General Features

  • OS: Windows 10 Pro, Windows 10 Home
  • Processor: Intel® Core™ i7 Processor (1.8GHz quad-core with Turbo Boost (up to 4.0GHz) and 8MB cache
    ), Intel® Core™ i5 (1.6GHz quad-core with Turbo Boost (up to 3.4GHz) and 6MB cache)
  • GPU: Integrated Intel® UHD Graphics 620
  • Memory: 8GB, 16GB RAM
  • Colours: Deep Dive Blue, Burgundy Red
  • Dimension: 12.9 x 311 x 213 mm
  • Weight: 1kg, 1.05kg

Display & Keyboard

  • Display: 13.3-inch LED-backlit 4K UHD, (3840 x 2160), 13.3-inch LED-backlit Full HD, (1920 x 1080)
  • Keyboard: Full-size backlit, with 1.2mm key travel
  • Pointing Device: –
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  • Built-in Storage: 1TB, 512GB, 256GB
  • Optical Storage: –
  • Bundled Cloud Storage: –

Ports & Connectivity

  • Webcam: Yes, HD webcam
  • USB Ports: Yes, USB 3.1
  • HDMI: –
  • Thunderbolt Ports: Yes
  • DisplayPort: –
  • VGA: Yes
  • Ethernet (RJ-45): –
  • SD Slot: Yes
  • Mic/Headphone: Yes
  • WLAN: Yes, Dual-band 802.11ac Wi-Fi
  • Bluetooth: Yes Bluetooth 4.2
  • NFC: –
  • Docking Connector: –
  • Mobile Broadband: –

Other Features

  • Array microphone with Cortana and Alexa1 voice-recognition support
  • Glass-covered with integrated fingerprint sensor supporting Windows Hello
  • intelligent palm-rejection
  • Long-travel voice coils for improved low-frequency response
  • Precision Touchpad (PTP) technology supports up to four-finger smart gestures
  • ASUS Eye Care technology for up to 30% blue-light reduction
  • 5.9mm-thin bezel with 85% screen-to-body ratio
  • 178° wide-view technology
  • Wide 100% sRGB color gamut


  • Battery: 50Wh 4-cell lithium-polymer battery
  • Use Time: up to 13.5 hours battery life

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