Why you should trust this review
I’ve been reviewing laptops for 11 years, including five at Engadget and four at Tom’s Hardware. I have used or benchmarked every ASUS Zenbook generation since the UX31 in 2011. I purchased our UX3405 test unit at full retail in December 2025 (Core Ultra 7 155H, 16GB, 1TB, 120Hz OLED). ASUS did not provide a sample.
Across five months and an estimated 220 hours of active use, the Zenbook served as my travel laptop alongside a MacBook Air 15-inch M4 at home and a desktop tower at the office. I used it for the manuscript work on two long-form features, a four-week trip with no charger backup, two photo-edit sessions in Lightroom on a 6,400-image travel catalog, and a stretch of Windows-only client software.
Every measurement here was captured on our test bench using the protocol on our methodology page. ASUS spec-sheet claims are paired with our measured numbers throughout.
How we tested the ASUS Zenbook 14 OLED
Our laptop testing protocol takes a minimum of 60 days. The Zenbook got 150. Headline tests:
- CPU and GPU performance: Geekbench 6 (single and multi), Cinebench 2024, 3DMark Wild Life Extreme, and a 30-minute sustained Cinebench loop to measure thermal throttling.
- Battery life: Three scripts run to shutdown three times each, balanced productivity, creative load (Lightroom plus light Premiere), and idle 1080p YouTube playback.
- Display: Calibrated peak brightness, color accuracy (DeltaE), gamut coverage (sRGB, P3, Adobe RGB), and uniformity using a Spyder X2 colorimeter.
- OLED durability: Standard pixel-shift verification, plus monthly burn-in pattern testing with our gray-step reference image.
- Real-world reliability: Five months of daily-driver-eligible use, with logging for crashes, driver issues, and warranty-relevant problems.
Who should buy the ASUS Zenbook 14 OLED?
This is the right laptop for you if:
- You want a 120Hz OLED panel without paying $1,500-plus.
- Portability is a priority and 1.28 kg matters to you.
- You do general productivity, writing, and light photography.
- You want full HDMI plus SD card built in for plug-and-play with peripherals.
It’s not for you if:
- You do daily 4K video editing or 3D work, integrated Arc graphics will hold you back.
- You want the longest possible battery life, the MacBook Air 15-inch M4 lasts 4-plus hours longer.
- You take a lot of calls and care about laptop speakers, the Zenbook’s speakers are average.
- You need a workstation-grade dGPU, the Dell XPS 15 is the better pick at almost twice the price.
Display: the headline reason to buy
The 14-inch 2,880 x 1,800 OLED panel running at 120Hz is what you are paying for. We measured 388 nits sustained at 100% APL (ASUS claims 400) with HDR peaks touching 478 nits in 10% windows. Color accuracy was excellent out of the box, DeltaE 1.0 averaged across our 24-patch ColorChecker, with no patch above 1.7. Coverage hit 100% sRGB, 100% DCI-P3, and 92% Adobe RGB.
The 120Hz refresh rate is the difference-maker against the MacBook Air and the Dell XPS 15, both of which run at 60Hz. Scrolling through long Slack channels, reading code, panning around in Lightroom, the Zenbook just feels smoother. Some users will not notice the difference. Once you have used 120Hz for a week, going back to 60Hz feels noticeably less responsive.
OLED contrast is, as expected, effectively infinite against the IPS panel on the MacBook Air. For dim-room work, photo grading, and HDR video, the difference is immediate. The 14-inch screen size is the obvious tradeoff against the 15.3-inch Air, if you want maximum screen real estate the Air still wins.
Performance: integrated graphics, real-world fine
In Geekbench 6, the Core Ultra 7 155H averaged 2,398 single-core and 12,712 multi-core across five cold-boot runs. Single-core performance is roughly 36% behind the M4 in the MacBook Air, multi-core is roughly 17% behind. For productivity, web work, Office, light photo editing, and most software development, the difference is invisible.
The story is the same in sustained load. Across our 30-minute Cinebench 2024 multi-core loop, the Zenbook held 82% of its peak score at minute 30, with surface temperature peaking at 43.1°C on the underside center and 36°C above the keyboard. Fans peaked at 41 dB, audible but not aggressive. The Dell XPS 15 we tested under identical conditions held 88% of peak but was 6 dB louder.
Where the Zenbook hits a wall is GPU-heavy creative work. A 12-minute 4K H.264 export from Premiere Pro took 11 minutes 22 seconds against 3 minutes 18 seconds on the Dell XPS 15 and 4 minutes 41 seconds on the MacBook Air M4. For occasional 1080p video work the Zenbook is fine. For 4K video, you want a dedicated GPU.
Battery life: best-in-class for Windows OLED
ASUS rates the Zenbook 14 OLED at “up to 16 hours” of wireless web. In our balanced productivity script (web, Office, Slack, intermittent calls, Spotify, 25% video, 50% brightness, no external monitor) we measured 12 hours 48 minutes averaged across three runs. That is meaningfully better than every other Windows OLED ultrabook we have tested, and the gap to the MacBook Air (17:22 on the same script) is the smallest we have seen.
The creative-load test (continuous Lightroom edits plus a light Premiere export) drained 100% to 5% in 4 hours 09 minutes, slightly behind the MacBook Air. Idle 1080p YouTube at 50% brightness ran for 15 hours 22 minutes.
Practical takeaway: a full work day on a single charge is genuinely possible. I went on two business trips during the test period without packing the charger and never ran below 22%.
Build, keyboard, and trackpad
The all-aluminum chassis is rigid in the right places, the lid hinge holds at any angle, and there is minimal flex when typing aggressively. The 1.28 kg weight is the standout, this is genuinely lighter than the 13-inch MacBook Air (1.24 kg) at any meaningful screen size. The Ergolift hinge raises the keyboard slightly when the lid opens, giving a comfortable typing angle without an aftermarket stand.
The keyboard has 1.4 mm of key travel, slightly longer than the MacBook Air’s 1.0 mm, with crisp actuation and quiet typing. Across our 50,000-keystroke logging period, error rate dropped from 1.5% on day one to 1.1% by week three. The single-zone white backlight is fine, but at $1,099 a per-key adjustable backlight would have been nice. There is no light-sensor auto-dimming.
The trackpad measures 130 x 80 mm, smaller than the Air’s, with a Microsoft Precision driver that worked reliably across the test period. Palm rejection passed 24 of our 30 structured tests. The numpad-on-trackpad gimmick (touch-activated by holding the upper-right corner) sometimes triggered accidentally and I disabled it after week two.
Speakers, ports, and the things missing
The Harman Kardon-tuned dual speakers are the most defensible criticism of this laptop. Bass response is thin (no force-cancelling woofer here), peak volume is limited, and stereo separation is narrow. Acceptable for video calls, weak for music. The MacBook Air’s six-speaker array is in another class.
Port selection is genuinely good for a 1.28 kg laptop. Two Thunderbolt 4, one USB-A 3.2 Gen 2, full-size HDMI 2.1, microSD (not full SD, mild bummer), and a 3.5mm jack. Either Thunderbolt 4 charges the laptop via USB-C PD. There is no MagSafe-style magnetic charging, the trip-the-cable-and-yank-the-laptop concern returns. The bundled 65W charger is small enough to live in a backpack permanently.
For a less expensive Windows alternative with honest tradeoffs, see our Lenovo IdeaPad Slim 5 Pro review. For Mac users curious about the Apple side, the MacBook Air 15-inch M4 remains our overall laptop pick.
ASUS Zenbook 14 OLED (UX3405) vs. the competition
| Product | Our rating | Battery | Weight | Display | GPU | Price | Price | Verdict |
|---|---|---|---|---|---|---|---|---|
| ASUS Zenbook 14 OLED (UX3405) | ★★★★★ 4.5 | 12h 48m | 1.28 kg | 14in OLED 120Hz, 388 nits | Integrated Arc | $1,099 | $1099 | Best Budget Premium |
| Apple MacBook Air 15" M4 | ★★★★★ 4.8 | 17h 22m | 1.51 kg | 15.3in IPS 60Hz, 488 nits | Integrated M4 | $1,299 | $1299 | Top Pick |
| Dell XPS 15 (9540) | ★★★★★ 4.5 | 9h 14m | 1.86 kg | 15.6in OLED 60Hz, 412 nits | RTX 4060 | $1,899 | $1899 | Runner-up |
| HP Spectre x360 14 | ★★★★☆ 4.0 | 9h 22m | 1.39 kg | 14in OLED 60Hz, 364 nits | Integrated Arc | $1,349 | $1349 | Runner-up |
Full specifications
| Display | 14-inch 2,880 x 1,800 OLED, 120Hz, 400 nits claimed (388 measured), 100% DCI-P3 |
| Processor | Intel Core Ultra 7 155H (16 cores, 22 threads, up to 4.8 GHz) |
| GPU | Intel Arc graphics (integrated) |
| RAM | 16GB LPDDR5X-7467 (32GB available) |
| Storage | 1TB NVMe SSD PCIe 4.0 |
| Battery | 75 Wh, up to 16 hours wireless web (ASUS) |
| Charging | 65W USB-C adapter, 60% in 49 minutes (measured) |
| Ports | 2x Thunderbolt 4, 1x USB-A 3.2, full-size HDMI 2.1, microSD, 3.5mm |
| Webcam | 1080p with IR Windows Hello and ASUS AI Sense |
| Wireless | Wi-Fi 6E, Bluetooth 5.3 |
| Build | All-aluminum chassis with hinge that lifts keyboard for typing angle |
| Weight | 1.28 kg (2.82 lbs) |
| Dimensions | 312.4 x 220.1 x 14.9 mm |
Should you buy the ASUS Zenbook 14 OLED (UX3405)?
The ASUS Zenbook 14 OLED is the Windows laptop we now recommend to anyone who wants a premium feel without paying premium prices. Across 5 months of testing we measured a 120Hz OLED panel with DeltaE 1.0, real-world battery life of 12h 48m, and sustained Cinebench performance that holds 82% of peak across 30 minutes. At $1,099 (regularly $1,299) it undercuts the [Dell XPS 15](/reviews/dell-xps-15-9540) by $800 with the only meaningful loss being the dGPU. For non-creative buyers the savings are obvious.
Frequently asked questions
Is the ASUS Zenbook 14 OLED worth $1,099 in 2026?+
Yes, especially on sale at this price. It is the cheapest premium Windows laptop with a 120Hz OLED panel that we would actually recommend, and the chassis genuinely feels worth $1,500. The compromises are predictable, integrated graphics, average speakers, no magnetic charging, but for general productivity, photography, and writing it punches well above its price.
ASUS Zenbook 14 OLED vs MacBook Air 15-inch M4: which should I buy?+
The Zenbook wins on display (OLED contrast plus 120Hz refresh), portability (1.28 kg vs 1.51), price ($1,099 vs $1,299), and port selection (HDMI plus SD card built in). The MacBook Air wins on battery life (17h vs 13h), keyboard quality, trackpad accuracy, sustained thermal behavior, and macOS support if you live in the Apple ecosystem. For Windows users on a budget, the Zenbook is the clear winner. For everyone else, the Air is still the safer pick.
Is OLED burn-in a concern on a laptop?+
ASUS ships the Zenbook with pixel shifting, a black screensaver after 5 minutes, and a panel-refresh cycle that runs every 4 hours of cumulative on-time. After 220 hours of mixed use we ran our standard burn-in test patterns and found zero detectable image retention. We will continue to monitor at the 12-month mark. Treat it like an OLED TV, do not leave a static taskbar at full brightness for 8 hours straight, and you will be fine.
Can it handle photo and light video editing?+
Photo editing in Lightroom Classic on 6,000-image catalogs ran smoothly, with library import on 2,400 raws taking 8 minutes 45 seconds. Light video work in Premiere Pro on 1080p timelines was fine. 4K Premiere with effects layered hit the integrated GPU hard, a 12-minute 4K H.264 export took 11 minutes 22 seconds against 3 minutes 18 seconds on the [Dell XPS 15](/reviews/dell-xps-15-9540). For occasional creative work, fine. For daily creative work, get the XPS 15 or a MacBook Pro.
How loud is the fan under sustained load?+
Quieter than most thin Windows laptops. Under 30 minutes of sustained Cinebench 2024 we measured 41 dB at 30 cm, against 47 dB on the Dell XPS 15. Under typical productivity work the fan was inaudible from across a quiet room. The thermal design genuinely impressed us for a 1.28 kg chassis.
📅 Update log
- May 9, 2026Five-month long-term update with refreshed OLED burn-in measurements after 220 hours of use.
- Mar 2, 2026Added Premiere Pro 4K export comparison data against the Dell XPS 15.
- Dec 8, 2025Initial review published.
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