ASUS Vivobook 16 (X1607AA) vs ASUS Zenbook 14 OLED (UX3405CA): specs comparison
How the ASUS Vivobook 16 (X1607AA) (2026 laptop) and the ASUS Zenbook 14 OLED (UX3405CA) (2025 laptop) differ, worked out only from the values on each maker’s official spec page. No prices, ratings or benchmark scores.
Key differences
- ASUS Vivobook 16 (X1607AA) is the newer model: it launched in 2026, ASUS Zenbook 14 OLED (UX3405CA) in 2025.
- ASUS Zenbook 14 OLED (UX3405CA) has the larger battery: 75 Wh vs 42 Wh for ASUS Vivobook 16 (X1607AA).
- ASUS Vivobook 16 (X1607AA) has the bigger screen: 16-inch vs 14-inch on ASUS Zenbook 14 OLED (UX3405CA).
- ASUS Zenbook 14 OLED (UX3405CA)'s display refreshes at up to 120 Hz, vs up to 60 Hz on ASUS Vivobook 16 (X1607AA).
- ASUS Zenbook 14 OLED (UX3405CA) offers more RAM: up to 32 GB vs 16 GB.
- ASUS Zenbook 14 OLED (UX3405CA) offers more storage: up to 1 TB vs 512 GB.
- ASUS Zenbook 14 OLED (UX3405CA) has Thunderbolt 4; ASUS Vivobook 16 (X1607AA)'s port list has no Thunderbolt port.
- ASUS Zenbook 14 OLED (UX3405CA) is lighter: 1.28 kg vs 1.88 kg for ASUS Vivobook 16 (X1607AA), 600 g less.
- Processors differ: ASUS Vivobook 16 (X1607AA): Intel Core Ultra 5 Processor 325 2.1 GHz; ASUS Zenbook 14 OLED (UX3405CA): Intel Core Ultra 5 225H / Ultra 7 255H / Ultra 9 285H.
Who should pick which
- Pick the ASUS Vivobook 16 (X1607AA) if you want the newer model (2026) and the bigger 16-inch screen.
- Pick the ASUS Zenbook 14 OLED (UX3405CA) if you want the larger 75 Wh battery, a smoother display (up to 120 Hz), more RAM (up to 32 GB) and more storage (up to 1 TB).
Full specifications side by side
| Spec | ASUS Vivobook 16 (X1607AA) | ASUS Zenbook 14 OLED (UX3405CA) |
|---|---|---|
| Launched | 2026 | 2025 |
| Processor (CPU) | Intel Core Ultra 5 Processor 325 2.1 GHz (12MB Cache, up to 4.5 GHz, 8 cores, 8 Threads); Intel NPU up to 47TOPS | Intel Core Ultra 5 225H / Ultra 7 255H / Ultra 9 285H (up to 5.4 GHz, 16 cores); Intel AI Boost NPU up to 13TOPS |
| Graphics (GPU) | Intel Graphics | Intel Graphics |
| Memory (RAM) | 16GB DDR5 on board, 1x DDR5 SO-DIMM slot | 16GB or 32GB LPDDR5X on board |
| Storage | 512GB M.2 NVMe PCIe 4.0 SSD | 512GB / 1TB M.2 NVMe PCIe 4.0 SSD |
| Display | 16" FHD+ (1920 x 1200), 16:10, 60Hz, 300nits, anti-glare | 14" OLED touch screen, 16:10, 500nits HDR peak, 100% DCI-P3: FHD+ (1920 x 1200) 60Hz or 3K (2880 x 1800) 120Hz |
| Battery | 42WHrs, 3-cell Li-ion | 75WHrs, 4-cell Li-ion |
| Ports | 2x USB 3.2 Gen 1 Type-C (display / power delivery), 2x USB 3.2 Gen 1 Type-A, 1x HDMI 2.1 TMDS, 1x 3.5mm combo audio jack | 2x Thunderbolt 4 (up to 40Gbps, display / power delivery), 1x USB 3.2 Gen 1 Type-A, 1x HDMI 2.1 TMDS, 1x 3.5mm combo audio jack |
| Weight | 1.88 kg | 1.28 kg |
| Operating system | Windows 11 Home | Windows 11 Home |
| Dimensions | 35.70 x 25.06 x 1.79 ~ 1.99 cm | 31.24 x 22.01 x 1.49 cm |
| Source | Official specs · checked 2026-10-27 | Official specs · checked 2026-10-27 |
Questions
What is the difference between ASUS Vivobook 16 (X1607AA) and ASUS Zenbook 14 OLED (UX3405CA)?
ASUS Vivobook 16 (X1607AA) is the newer model: it launched in 2026, ASUS Zenbook 14 OLED (UX3405CA) in 2025. ASUS Zenbook 14 OLED (UX3405CA) has the larger battery: 75 Wh vs 42 Wh for ASUS Vivobook 16 (X1607AA). ASUS Vivobook 16 (X1607AA) has the bigger screen: 16-inch vs 14-inch on ASUS Zenbook 14 OLED (UX3405CA).
Which has the higher refresh rate, ASUS Vivobook 16 (X1607AA) or ASUS Zenbook 14 OLED (UX3405CA)?
ASUS Zenbook 14 OLED (UX3405CA)'s display refreshes at up to 120 Hz, vs up to 60 Hz on ASUS Vivobook 16 (X1607AA).
Which is lighter, ASUS Vivobook 16 (X1607AA) or ASUS Zenbook 14 OLED (UX3405CA)?
ASUS Zenbook 14 OLED (UX3405CA) is lighter: 1.28 kg vs 1.88 kg for ASUS Vivobook 16 (X1607AA), 600 g less.
Every difference above is calculated from the two spec tables, which are copied from ASUS’s official pages. A spec that only one page states is not compared. Variants and options differ by region, so confirm on the official page before you buy. Spotted a difference? Report a correction.