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ASUS Zenbook S14 UX5406AA review: Portable ultrabook for work and play

ASUS has officially launched the Zenbook S14 (UX5406AA) in the Philippines, a premium ultrabook that packs serious power in a slim, portable design.

With a 14‑inch ASUS Lumina OLED touchscreen, an Intel Core Ultra 9 Series 3 processor, and a 77Wh battery, this laptop is built for users who want performance without sacrificing mobility. But the big question remains: is it worth your money, and how does it hold up in real‑world use? Let’s find out.

Design & Display

ASUS Zenbook S14 UX5406AA

The Zenbook S14 sports a slim, lightweight all‑metal chassis finished in refined Ceraluminum. The CNC‑machined grille adds a touch of detail while also helping with cooling. Our unit came in Antrim Grey, which gave it a clean and understated look.

The device is compact. It measures 12.22 x 8.45 inches and is only 1.1 cm thick at its thinnest point. At just 1.2kg, it’s easy to carry around, and the slim profile makes it easy to slip into a bag.

ASUS Zenbook S14 UX5406AA

The ultrabook features a 14‑inch 3K OLED touchscreen with a 120Hz refresh rate and a peak brightness of up to 1,100 nits. It covers the 100% DCI‑P3 color gamut and can display over 1.07 billion colors. In real-world usage, you get vivid visuals with deep blacks and solid viewing angles.

The panel is VESA Certified HDR True Black 1000 and PANTONE Validated for color accuracy, making it reliable for creative work. It also reduces harmful blue light by 70%, backed by TÜV Rheinland and SGS Eye Care Display certifications for safer long‑term use.

The screen doesn’t fold flat, but it can go back far enough for a comfortable position when in use. Bezels are slim, giving it a modern edge, though the glossy finish can be reflective under bright light.

ASUS Zenbook S14 UX5406AA

The chiclet keyboard includes a dedicated Copilot key with bright, even backlighting. Typing feels great, despite a relatively shallow 1.1mm travel. Regardless, it is quiet and comfortable to use with a soft, tactile response.

Meanwhile, the Precision touchpad is spacious. It is made of glass with a smooth surface. It also supports multi-touch gestures and includes swipe controls for volume and brightness adjustments along its left and right sides.

ASUS Zenbook S14 UX5406AA

The laptop packs a quad‑speaker setup with front‑firing tweeters. Audio quality is good, though previous Zenbook models sounded a bit better in comparison. Still, the speakers deliver full sound with no distortion even at max volume, although they don’t get as loud as other models.

I/O Ports

Despite its slim profile, the Zenbook S14 doesn’t skimp on connectivity. You get two Thunderbolt 4 USB‑C ports, a USB‑A port, HDMI 2.1, and a 3.5mm audio jack.

ASUS Zenbook S14 UX5406AA

That’s enough to handle external displays, fast data transfers, and everyday peripherals without needing a bunch of dongles. The placement is practical, with most ports on the sides for easy access.

Performance

Under the hood, the Zenbook S14 is powered by Intel’s Core Ultra 9 386H processor, paired with 32GB LPDDR5X RAM and a fast 1TB SSD. Day‑to‑day tasks like browsing, editing, multitasking, and UI responsiveness feel smooth and snappy.

ASUS Zenbook S14 UX5406AA

It’s not a gaming laptop, but casual titles run fine at low to medium settings. ASUS also includes multiple performance modes, so you can switch between quiet efficiency and full power depending on what you’re doing.

Thermals are well‑managed, and even under load, the laptop stays cool and doesn’t get too loud.

Overall, the setup feels a bit overkill for everyday office work. But it breezes through heavy tasks like massive spreadsheets, photo editing, web rendering, and video calls without breaking a sweat. Benchmark scores back this up with solid numbers, all tested on Balanced mode while plugged in.

  • Cinebench R23 Single Core – 2,024
  • Cinebench R23 Multi Core – 11,917
  • Geekbench 6 (CPU) – 2,896 (single core) / 16,581 (multi-core)
  • Geekbench 6 (GPU) – 24,747 
  • PC Mark 10 – 6,687
  • 3DMark Steel Nomad Light – 2,042 / 15.13 FPS (graphics test)
  • CrystalDiskMark – 6,945.31 MB/s (read) / 5,858.60 MB/s (write)

Battery

Powering the Zenbook S14 is a 77Wh battery, bundled with a 68W charger that supports up to 100W fast charging. In real use, it easily lasts a full workday on a single charge, whether you’re writing, streaming, or handling productivity tasks.

Charging is quick, and the laptop runs cool and quiet even during long sessions. It’s the kind of battery performance that makes it reliable for travel or all‑day work in a cafe without worrying about plugging in.

Final Remarks

ASUS Zenbook S14 UX5406AA

The ASUS Zenbook S14 UX5406AA is a sleek ultrabook that balances portability, performance, and premium design. Its sharp OLED display, long battery life, and solid build make it a strong option in the premium ultrabook space.

At ₱129,995, it’s on the pricey side. Still, that price covers a premium touchscreen OLED panel, durable all‑metal construction, all‑day battery life, and powerful performance packed into a slim chassis.

Price & Availability

The ASUS Zenbook S14 UX5406AA is introduced at ₱129,995. It comes with a premium laptop sleeve, a lifetime license for Office Home 2024, a 1-year Microsoft 365 Basic subscription with 100 GB Cloud Storage, additional ASUS Cloud Storage up to 700GB, and the ASUS Quality Service Package, which includes a 2-year international coverage and a 1-year accidental damage warranty.

The ultrabook is available in the Philippines at ASUS Stores and authorized retail partners nationwide. For more details, visit ASUS’s product page here.

ASUS Zenbook S14 (UX5406AA) specs

  • Display: 14-inch, 3K ASUS Lumina OLED touchscreen, 2880×1800, 120Hz refresh rate, 1100 nits, 16:10 aspect ratio, stylus support
  • Processor: Intel Core Ultra 9 Series 3, Intel NPU up to 50TOPS
  • GPU: Intel Graphics
  • RAM: 32GB LPDDR5X
  • Storage: 1TB M.2 SSD
  • Camera: FHD webcam, IR, Windows Hello
  • Connectivity: Wi-Fi 7, Bluetooth 6
  • Ports:
    • 2x Thunderbolt 4 (support for display/power delivery, data speed up to 40Gbps)
    • 1x USB 3.2 Gen 2 Type-A (data speed up to 10Gbps)
    • 1x HDMI 2.1 TMDS
    • 3.5mm headphone/mic jack
  • Others: Backlit chiclet keyboard, stereo speakers, Copilot Key, Lifetime Office 2024 Home, 1Y Microsoft 365 Basic with 100 GB Cloud Storage, ASUS Quality and Service Package
  • OS: Windows 11 Home
  • Color: Antrim Gray
  • Battery: 77WHrs 4-cell Li-Ion battery, 68W AC adapter, fast-charge capable with 100W USB-C PD adapter

Bryan Rilloraza has been a fixture in the local tech scene for over a decade, sharing his perspective as a tech enthusiast and industry veteran. Backed by an MBA from De La Salle University, a Bachelor’s Degree from the University of the Philippines, and 20 years of corporate experience in the telecommunications and banking sectors, Bryan provides a practical, real-world analysis of how technology serves the consumer.

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