Comparison guide
ASUS Zenbook 14 OLED (UX3405) vs Dell XPS 14 (9440): which should you choose?
ASUS Zenbook 14 OLED (UX3405) and Dell XPS 14 (9440) compared under one framework. One recorded specification difference is Weight: 1.2 kg on the ASUS Zenbook 14 OLED (UX3405) against 1.69 kg on the Dell XPS 14 (9440). Specifications and their sources are recorded alongside.
Published: 2026-06-26 · Updated: 2026-09-21
Laptops verdict
Undocumented scoring basis · overall score and upgrade ranking withheld. The table records stored representative configurations; confirm the configuration and price on the merchant page before buying.
- ASUS Zenbook 14 OLED (UX3405): A great-value OLED laptop — a bright, sharp screen, plenty of ports, and a light build.
- Dell XPS 14 (9440): The middle ground between 13 and 16-inch — an optional RTX 4050 and OLED balance size and power.
- Undocumented quality and performance advantages are not ranked
- Specification field coverage (not accuracy): 100%
Choosing between ASUS Zenbook 14 OLED (UX3405) and Dell XPS 14 (9440) starts with the real use case and the problem to solve, not with which product is newer. No independent laboratory test is implied.
Core specifications on one baseline
| Item | ASUS Zenbook 14 OLED (UX3405) | Dell XPS 14 (9440) | Delta |
|---|---|---|---|
| Memory | 16 GB AskRS catalog index · check date not recorded | 16 GB AskRS catalog index · check date not recorded | Same |
| Weight | 1.2 kg AskRS catalog index · check date not recorded | 1.69 kg AskRS catalog index · check date not recorded | +40.8% |
| Battery capacity | 75 Wh AskRS catalog index · check date not recorded | 69.5 Wh AskRS catalog index · check date not recorded | -7.3% |
| Display brightness | 600 nits AskRS catalog index · check date not recorded | 500 nits AskRS catalog index · check date not recorded | -16.7% |
| Refresh rate | 120 Hz AskRS catalog index · check date not recorded | 120 Hz AskRS catalog index · check date not recorded | Same |
| Thunderbolt/USB-C ports | 2 AskRS catalog index · check date not recorded | 3 AskRS catalog index · check date not recorded | +50% |
| Chipset | Intel Core Ultra 7 155H | Intel Core Ultra 7 155H | Same |
| Color | Ponder Blue | Platinum | Different |
| Connectivity | 2x Thunderbolt 4, USB-A, HDMI 2.1, Wi-Fi 6E, Bluetooth 5.3 | 3x Thunderbolt 4, microSD, Wi-Fi 7, Bluetooth 5.4 | Different |
| CPU model | Intel Core Ultra 7 155H (16C/22T) | Intel Core Ultra 7 155H (16C/22T) | Same |
| GPU model | Intel Arc Graphics | NVIDIA GeForce RTX 4050 Laptop | Different |
| Operating system | Windows 11 | Windows 11 | Same |
| Panel | 14" OLED 2880x1800 120Hz | 14.5" OLED 3200x2000 touch 120Hz | Different |
| Region | GLOBAL | GLOBAL | Same |
| Screen size | 14 in | 14.5 in | +3.6% |
| Storage | 1024 GB | 512 GB | -50% |
12 of the 32 values in this table carry a source. The rest have no source on record, which is not the same as being wrong.
How to read Same, Different, No data, Unverified and Not applicable is documented on the configuration-level specification screen. If a condition you require is unknown, withhold the decision and match the exact model, sales region and configuration against the sources on that screen.
Differences recorded in the table
5 fields can be ranked on the same basis, listed by weight.
- Weight · ASUS Zenbook 14 OLED (UX3405) 1.2 kg, Dell XPS 14 (9440) 1.69 kg (+40.8%)
- Battery capacity · ASUS Zenbook 14 OLED (UX3405) 75 Wh, Dell XPS 14 (9440) 69.5 Wh (-7.3%)
- Display brightness · ASUS Zenbook 14 OLED (UX3405) 600 nits, Dell XPS 14 (9440) 500 nits (-16.7%)
- Storage · ASUS Zenbook 14 OLED (UX3405) 1024 GB, Dell XPS 14 (9440) 512 GB (-50%)
- Thunderbolt/USB-C ports · Dell XPS 14 (9440) 3, ASUS Zenbook 14 OLED (UX3405) 2 (+50%)
The decision axes and the checking order for the whole category are on the Laptops comparison page.
The two products this comparison names
Match the listing against these models first. The recorded-field count is catalogue completeness, not product quality.
- ASUS Zenbook 14 OLED (UX3405) · ASUS · model number UX3405MA · released 2024 · recorded fields 16/16
- Dell XPS 14 (9440) · Dell · model number 9440 · released 2024 · recorded fields 16/16
Fields the two products share
6 recorded fields hold the same value for both stored representative configurations, so nothing in this list separates them.
- Memory · 16 GB
- Refresh rate · 120 Hz
- Chipset · Intel Core Ultra 7 155H
- CPU model · Intel Core Ultra 7 155H (16C/22T)
- Operating system · Windows 11
- Region · GLOBAL
Who should choose ASUS Zenbook 14 OLED (UX3405)
ASUS Zenbook 14 OLED (UX3405) leads the table on Weight, Battery capacity, Display brightness, Storage. A great-value OLED laptop — a bright, sharp screen, plenty of ports, and a light build.
Who should choose Dell XPS 14 (9440)
Dell XPS 14 (9440) leads the table on Thunderbolt/USB-C ports. The middle ground between 13 and 16-inch — an optional RTX 4050 and OLED balance size and power.
How to read price and purchase availability
No merchant link is shown: neither product has an approved listing whose name and configuration match the catalogue, and AsKrs does not guess a destination.
- ASUS Zenbook 14 OLED (UX3405) · No verified purchase link currently available
- Dell XPS 14 (9440) · No verified purchase link currently available
This comparison is built from published specifications and stored representative configurations. The use context, configuration checks, switching costs, and the scope and limits for Laptops are documented on the Laptops comparison page.