ASUS Zenbook 14 OLED (UX3405CA) vs Apple MacBook Air 13 (M4)
The real choice here is the system: the ASUS Zenbook 14 OLED runs Windows and the Apple MacBook Air 13 runs macOS. Beyond that, the ASUS Zenbook 14 OLED has more storage and has an OLED screen, while the Apple MacBook Air 13 has a sharper screen.
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Key differences
- Operating system Depends on you
They run different systems: the ASUS Zenbook 14 OLED runs Windows and the Apple MacBook Air 13 runs macOS. Pick the one that runs the apps you rely on.
- Storage ASUS Zenbook 14 OLED wins
The ASUS Zenbook 14 OLED has four times the storage: 1 TB against 256 GB.
- OLED screen ASUS Zenbook 14 OLED wins
The ASUS Zenbook 14 OLED has an OLED screen, with true blacks and richer colour than the Apple MacBook Air 13's LCD.
- Sharpness Apple MacBook Air 13 wins
The Apple MacBook Air 13's screen is sharper: 2.5K against Full HD.
- Ports ASUS Zenbook 14 OLED wins
Only the ASUS Zenbook 14 OLED has HDMI and USB-A.
Which one should you choose?
Choose the ASUS Zenbook 14 OLED if…
- You need Windows programs or want to play PC games: it runs Windows 11, which runs almost anything.
- You store lots of photos, videos or games: it has 1 TB of storage.
- You watch a lot of films and video, or edit photos: its OLED screen has true blacks and rich colour.
- You plug things in: it has HDMI (for TVs and monitors) and USB-A (for older USB accessories).
Choose the Apple MacBook Air 13 if…
- You own an iPhone or prefer a Mac: it runs macOS and works smoothly with Apple devices.
- You read, write or edit photos a lot: its 2.5K screen makes text and images crisper.
- You work near windows or outside: its screen is brighter at 500 nits.
Full spec comparison
Add more laptopsThe ASUS Zenbook 14 OLED leads on performance and ports and wireless; elsewhere the two are closely matched. Highlighted values mark the better spec in each row, and you can hide the rows where they match.
Performance
The ASUS Zenbook 14 OLED is ahead on performance.
It has more storage, and the Apple MacBook Air 13 doesn't beat it on anything here.
| Spec | ASUS Zenbook 14 OLED (UX3405CA) | Apple MacBook Air 13 (M4) |
|---|---|---|
| Processor | Intel Core Ultra 7 255H | Apple M4 (10-core CPU) |
| Graphics | Intel Arc 140T | Apple M4 8-core GPU |
| AI engine (NPU) | 13 TOPS | — |
| Memory (RAM) | 16 GB | 16 GB |
| Memory type | LPDDR5X | — |
| Maximum memory | 16 GB | 32 GB |
| Memory upgrades | Soldered (not upgradeable) | — |
| Storage | 1 TB | 256 GB |
| Storage type | SSD | SSD |
| Storage interface | PCIe 4.0 NVMe M.2 2280 | — |
| Storage slots | 1 | — |
Screen
Each laptop has its strengths on the screen.
The ASUS Zenbook 14 OLED has a slightly bigger screen: 14" against 13.6". The ASUS Zenbook 14 OLED has an OLED screen, has a touchscreen and has a slightly bigger screen, while the Apple MacBook Air 13 has a sharper screen and has a brighter screen.
| Spec | ASUS Zenbook 14 OLED (UX3405CA) | Apple MacBook Air 13 (M4) |
|---|---|---|
| Screen size | 14" | 13.6" |
| Resolution | Full HD+ (1920 x 1200) | 2.5K (2560 x 1664) |
| Aspect ratio | 16:10 | 20:13 |
| Panel | OLED | IPS |
| Refresh rate | 60 Hz | — |
| Variable refresh (VRR) | No | — |
| Brightness | 400 nits | 500 nits |
| Colour range | 100% DCI-P3 | Wide colour (P3) |
| HDR | VESA DisplayHDR True Black 500 | — |
| Finish | Glossy | — |
| Touchscreen | Yes | No |
| Pen standard | MPP 2.0 | — |
Battery and size
The Apple MacBook Air 13 is ahead on battery and weight.
It is slimmer, and the ASUS Zenbook 14 OLED doesn't beat it on anything here.
| Spec | ASUS Zenbook 14 OLED (UX3405CA) | Apple MacBook Air 13 (M4) |
|---|---|---|
| Battery life (maker claim) | — | Up to 18 hours |
| Battery capacity | 75 Wh | 53.8 Wh |
| Charger | 65 W | 30 W |
| Charges via | USB-C | MagSafe 3 (also charges via Thunderbolt 4 USB-C) |
| Fast charging | — | Fast-charge capable with 70W USB-C adapter (no time claim) |
| Weight | 1.28 kg | 1.24 kg |
| Dimensions | 312.4 x 220.1 x 14.9 mm | 304.1 x 215 x 11.3 mm |
| Materials | — | Aluminium enclosure (100% recycled aluminium) |
| Durability | US MIL-STD-810H | — |
| Colour | Ponder Blue | Midnight |
| Colours available | Ponder Blue, Jasper Gray, Foggy Silver | Sky Blue, Silver, Starlight, Midnight |
Ports and wireless
The ASUS Zenbook 14 OLED is ahead on ports and wireless.
It has HDMI and USB-A and has Wi-Fi 7, and the Apple MacBook Air 13 doesn't beat it on anything here.
| Spec | ASUS Zenbook 14 OLED (UX3405CA) | Apple MacBook Air 13 (M4) |
|---|---|---|
| Ports | 2x Thunderbolt 4 (USB-C, both support charging and DisplayPort, up to 40Gbps), 1x USB-A 3.2 Gen 1 (5Gbps), 1x HDMI 2.1 (TMDS), 1x 3.5 mm combo audio | 2x Thunderbolt 4 (USB-C, 40Gb/s, charging, DisplayPort, USB 4), 1x MagSafe 3 (charging), 1x 3.5 mm headphone |
| Thunderbolt / USB4 | 2x Thunderbolt 4 (40 Gbps) | Thunderbolt 4 (up to 40Gb/s) |
| External displays (max) | — | 2 |
| Card reader | None | None |
| Ethernet | None | None |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 6E |
| Bluetooth | Bluetooth 5.4 | Bluetooth 5.3 |
| Mobile data | None | None |
Features
Both have much the same extras.
From the keyboard to the webcam and login, there is little between them.
| Spec | ASUS Zenbook 14 OLED (UX3405CA) | Apple MacBook Air 13 (M4) |
|---|---|---|
| Webcam | 1080p + IR | 12MP Center Stage |
| Webcam privacy | physical shutter | — |
| Backlit keyboard | Yes | Yes |
| Keyboard | backlit chiclet, 1.4 mm key travel, Copilot key | Backlit Magic Keyboard, 79-key ISO (UK), 12 full-height function keys, Touch ID, ambient light sensor |
| Login | Face | Fingerprint |
| Number pad | No | No |
| Touchpad | precision touchpad | Force Touch trackpad (Multi-Touch) |
| Speakers | Harman Kardon stereo speakers | Four-speaker sound system, Spatial Audio / Dolby Atmos |
| Microphones | built-in array microphone | Three-mic array with directional beamforming |
| Pen | Supported (sold separately) | No |
| Security | TPM 2.0, Windows Hello face recognition | — |
Software and model
They run different systems, so this comes down to the apps you use.
| Spec | ASUS Zenbook 14 OLED (UX3405CA) | Apple MacBook Air 13 (M4) |
|---|---|---|
| Operating system | Windows 11 Home | macOS |
| Model number | UX3405CA-QL192W | — |
| Released | 2025 | 2025 |