Comparison guide
Dell XPS 16 (9640) vs ASUS Zenbook 14 OLED (UX3405): which should you choose?
Dell XPS 16 (9640) and ASUS Zenbook 14 OLED (UX3405) compared under one framework. Decision axes: sustained performance, memory headroom, display, battery life, carry weight, and expandability. Includes price context and category-specific tradeoffs.
Published: 2026-08-16
Laptops verdict
Keeping the current product is reasonable. The products share a category but prioritize different strengths. The figures below use the same weighting model and stored representative configurations; confirm the configuration and price on the merchant page before buying.
- Dell XPS 16 (9640): A creator's 16-inch — an RTX 4070 and OLED screen strong for both work and video.
- ASUS Zenbook 14 OLED (UX3405): A great-value OLED laptop — a bright, sharp screen, plenty of ports, and a light build.
- Upgrade recommendation: 48 / 100
- Data completeness: 100%
Choosing between Dell XPS 16 (9640) and ASUS Zenbook 14 OLED (UX3405) starts with the real use case and the problem to solve, not with which product is newer. Use context: the longest sustained workload across documents, development, editing, 3D, and games. Decision axes: sustained performance, memory headroom, display, battery life, carry weight, and expandability. This guide applies one calculation model to stored representative configurations while keeping the category-specific decision order visible.
Core specifications on one baseline
| Item | Dell XPS 16 (9640) | ASUS Zenbook 14 OLED (UX3405) | Delta |
|---|---|---|---|
| CPU | 90 score | 83 score | -7.8% |
| Graphics | 86 score | 60 score | -30.2% |
| Memory | 32 GB | 16 GB | -50% |
| Display | 94 score | 94 score | Same |
| Battery | 70 score | 84 score | +20% |
| Carry weight | 2.13 kg | 1.2 kg | -43.7% |
| Value | 70 score | 84 score | +20% |
| battery_wh | 99.5 Wh | 75 Wh | -24.6% |
| display_nits | 500 nits | 600 nits | +20% |
| refresh_hz | 90 Hz | 120 Hz | +33.3% |
| thunderbolt_ports | 3 | 2 | -33.3% |
| Chipset | Intel Core Ultra 9 185H | Intel Core Ultra 7 155H | Different |
| Color | Graphite | Ponder Blue | Different |
| Connectivity | 3x Thunderbolt 4, microSD, Wi-Fi 7, Bluetooth 5.4 | 2x Thunderbolt 4, USB-A, HDMI 2.1, Wi-Fi 6E, Bluetooth 5.3 | Different |
| CPU model | Intel Core Ultra 9 185H (16C/22T) | Intel Core Ultra 7 155H (16C/22T) | Different |
| GPU model | NVIDIA GeForce RTX 4070 Laptop | Intel Arc Graphics | Different |
| Lineup | XPS | Zenbook | Different |
| Operating system | Windows 11 | Windows 11 | Same |
| Panel quality | 16.3" OLED 3840x2400 touch | 14" OLED 2880x1800 120Hz | Different |
| Region | GLOBAL | GLOBAL | Same |
| Screen size | 16.3 in | 14 in | -14.1% |
| Storage | 1024 GB | 1024 GB | Same |
CPU
The cpu score is 90.0 for Dell XPS 16 (9640) and 83.0 for ASUS Zenbook 14 OLED (UX3405). Dell XPS 16 (9640) leads this dimension. It is a relative index combining CPU-heavy work such as compiles, documents, browser loads, and encoding on one baseline. Read the underlying specification rows, source completeness, and exact selling configuration before treating the lead as decisive. Similar averages can hide different weak points, so a small point gap matters less than whether the product removes a concrete problem under your normal usage conditions.
Graphics
The graphics score is 86.0 for Dell XPS 16 (9640) and 60.0 for ASUS Zenbook 14 OLED (UX3405). Dell XPS 16 (9640) leads this dimension. It is a relative index combining sustained 3D, video effects, GPU-accelerated apps, and gaming on one baseline. Read the underlying specification rows, source completeness, and exact selling configuration before treating the lead as decisive. Similar averages can hide different weak points, so a small point gap matters less than whether the product removes a concrete problem under your normal usage conditions.
Memory
The memory score is 100.0 for Dell XPS 16 (9640) and 80.0 for ASUS Zenbook 14 OLED (UX3405). Dell XPS 16 (9640) leads this dimension. It is a relative index combining headroom for concurrent apps, tabs, and large projects on one baseline. Read the underlying specification rows, source completeness, and exact selling configuration before treating the lead as decisive. Similar averages can hide different weak points, so a small point gap matters less than whether the product removes a concrete problem under your normal usage conditions.
Display
The display score is 94.0 for Dell XPS 16 (9640) and 94.0 for ASUS Zenbook 14 OLED (UX3405). The two products are level here. It is a relative index combining resolution, brightness, color rendering, and long-session readability on one baseline. Read the underlying specification rows, source completeness, and exact selling configuration before treating the lead as decisive. Similar averages can hide different weak points, so a small point gap matters less than whether the product removes a concrete problem under your normal usage conditions.
Battery
The battery score is 70.0 for Dell XPS 16 (9640) and 84.0 for ASUS Zenbook 14 OLED (UX3405). ASUS Zenbook 14 OLED (UX3405) leads this dimension. It is a relative index combining real workload runtime, display brightness, and time away from a charger on one baseline. Read the underlying specification rows, source completeness, and exact selling configuration before treating the lead as decisive. Similar averages can hide different weak points, so a small point gap matters less than whether the product removes a concrete problem under your normal usage conditions.
Carry weight
The carry weight score is 51.8 for Dell XPS 16 (9640) and 75.0 for ASUS Zenbook 14 OLED (UX3405). ASUS Zenbook 14 OLED (UX3405) leads this dimension. It is a relative index combining the daily carry burden of the laptop and its charger on one baseline. Read the underlying specification rows, source completeness, and exact selling configuration before treating the lead as decisive. Similar averages can hide different weak points, so a small point gap matters less than whether the product removes a concrete problem under your normal usage conditions.
Value
The value score is 70.0 for Dell XPS 16 (9640) and 84.0 for ASUS Zenbook 14 OLED (UX3405). ASUS Zenbook 14 OLED (UX3405) leads this dimension. It is a relative index combining performance, base memory and storage, warranty, and expandability for the price on one baseline. Read the underlying specification rows, source completeness, and exact selling configuration before treating the lead as decisive. Similar averages can hide different weak points, so a small point gap matters less than whether the product removes a concrete problem under your normal usage conditions.
Who should choose Dell XPS 16 (9640)
Dell XPS 16 (9640) is the stronger fit when its leading dimensions match your primary use. Configuration checks: CPU and GPU, memory, storage, display, ports, weight, and battery capacity. Then ask whether the product removes a concrete problem with the device you already own. If the gap is small and there is no real pain point, waiting for a price drop or a change in workload can be more rational than upgrading for novelty alone.
Who should choose ASUS Zenbook 14 OLED (UX3405)
ASUS Zenbook 14 OLED (UX3405) is the better fit when more of its strengths overlap your priorities and its weaker dimensions remain acceptable. Switching costs: operating system and app licenses, docks, chargers, peripherals, data migration, and repair policy. A higher total can still deliver lower practical value when that burden is large, so compare the score lead and switching cost on the same baseline.
How to read price and purchase availability
Neither product currently has an approved purchase link whose product name and configuration match the catalog, so no merchant link is shown. AsKrs does not guess a destination; this guide provides specifications and decision criteria until an exact listing is verified.
- Dell XPS 16 (9640) · No verified purchase link currently available
- ASUS Zenbook 14 OLED (UX3405) · No verified purchase link currently available
Final decision checklist
- Use context: the longest sustained workload across documents, development, editing, 3D, and games.
- Configuration checks: CPU and GPU, memory, storage, display, ports, weight, and battery capacity.
- Switching costs: operating system and app licenses, docks, chargers, peripherals, data migration, and repair policy.
- When the score gap is small, identify the concrete problem the change will solve.
- Recheck the seller, delivery, return terms, condition, and current price at checkout.
Scope and limits of this comparison
This comparison is a structured decision aid built from published specifications and stored representative configurations. Scope and limits: application optimization, sustained-load heat and noise, battery wear, and panel variance. The scores are relative indicators for setting priorities within one category, not an absolute quality ranking. When a new configuration or verified specification becomes available, the catalog and its comparison pages are regenerated together.
Open the full configuration-level comparison and upgrade score