Comparison guide
ASUS Zenbook 14 OLED (UX3405) vs ASUS ROG Strix SCAR 18 (2024): which should you choose?
ASUS Zenbook 14 OLED (UX3405) and ASUS ROG Strix SCAR 18 (2024) 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 · Updated: 2026-08-16
Laptops verdict
Upgrade for specific needs. 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.
- ASUS Zenbook 14 OLED (UX3405): A great-value OLED laptop — a bright, sharp screen, plenty of ports, and a light build.
- ASUS ROG Strix SCAR 18 (2024): Desktop-class 18-inch gaming — an RTX 4090 and mini-LED screen chasing top frame rates.
- Upgrade recommendation: 52 / 100
- Data completeness: 100%
Choosing between ASUS Zenbook 14 OLED (UX3405) and ASUS ROG Strix SCAR 18 (2024) 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 | ASUS Zenbook 14 OLED (UX3405) | ASUS ROG Strix SCAR 18 (2024) | Delta |
|---|---|---|---|
| CPU | 83 score | 95 score | +14.5% |
| Graphics | 60 score | 98 score | +63.3% |
| Memory | 16 GB | 32 GB | +100% |
| Display | 94 score | 93 score | -1.1% |
| Battery | 84 score | 60 score | -28.6% |
| Carry weight | 1.2 kg | 3.1 kg | +158.3% |
| Value | 84 score | 70 score | -16.7% |
| battery_wh | 75 Wh | 90 Wh | +20% |
| display_nits | 600 nits | 1100 nits | +83.3% |
| refresh_hz | 120 Hz | 240 Hz | +100% |
| thunderbolt_ports | 2 | 1 | -50% |
| Chipset | Intel Core Ultra 7 155H | Intel Core i9-14900HX | Different |
| Color | Ponder Blue | Off Black | Different |
| Connectivity | 2x Thunderbolt 4, USB-A, HDMI 2.1, Wi-Fi 6E, Bluetooth 5.3 | 1x Thunderbolt 4, 2x USB-A, HDMI 2.1, 2.5GbE, Wi-Fi 7, Bluetooth 5.4 | Different |
| CPU model | Intel Core Ultra 7 155H (16C/22T) | Intel Core i9-14900HX (24C/32T) | Different |
| GPU model | Intel Arc Graphics | NVIDIA GeForce RTX 4090 Laptop | Different |
| Lineup | Zenbook | ROG | Different |
| Operating system | Windows 11 | Windows 11 | Same |
| Panel quality | 14" OLED 2880x1800 120Hz | 18" mini-LED 2560x1600 240Hz | Different |
| Region | GLOBAL | GLOBAL | Same |
| Screen size | 14 in | 18 in | +28.6% |
| Storage | 1024 GB | 2048 GB | +100% |
CPU
The cpu score is 83.0 for ASUS Zenbook 14 OLED (UX3405) and 95.0 for ASUS ROG Strix SCAR 18 (2024). ASUS ROG Strix SCAR 18 (2024) 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 60.0 for ASUS Zenbook 14 OLED (UX3405) and 98.0 for ASUS ROG Strix SCAR 18 (2024). ASUS ROG Strix SCAR 18 (2024) 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 80.0 for ASUS Zenbook 14 OLED (UX3405) and 100.0 for ASUS ROG Strix SCAR 18 (2024). ASUS ROG Strix SCAR 18 (2024) 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 ASUS Zenbook 14 OLED (UX3405) and 93.0 for ASUS ROG Strix SCAR 18 (2024). ASUS Zenbook 14 OLED (UX3405) leads this dimension. 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 84.0 for ASUS Zenbook 14 OLED (UX3405) and 60.0 for ASUS ROG Strix SCAR 18 (2024). 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 75.0 for ASUS Zenbook 14 OLED (UX3405) and 27.5 for ASUS ROG Strix SCAR 18 (2024). 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 84.0 for ASUS Zenbook 14 OLED (UX3405) and 70.0 for ASUS ROG Strix SCAR 18 (2024). 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 ASUS Zenbook 14 OLED (UX3405)
ASUS Zenbook 14 OLED (UX3405) 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 ROG Strix SCAR 18 (2024)
ASUS ROG Strix SCAR 18 (2024) 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.
- ASUS Zenbook 14 OLED (UX3405) · No verified purchase link currently available
- ASUS ROG Strix SCAR 18 (2024) · 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