ASUS ROG Strix Scar 18 (2025) vs ASUS Zenbook DUO (2024) UX8406
68.2Performance43.3
78.4Display38.4
42.9Battery66.7
20Portability64.1
9 spec wins — ASUS ROG Strix Scar 18 (2025)2 spec wins — ASUS Zenbook DUO (2024) UX8406
InnoReviews verdict
ASUS ROG Strix Scar 18 (2025) wins this laptop face-off, 56.5 to 51, pulling ahead mainly in display (+40) and performance (+25). ASUS Zenbook DUO (2024) UX8406 still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the ASUS ROG Strix Scar 18 (2025)
- Stronger performance score: 68 vs 43
- Stronger display score: 78 vs 38
- 485% higher charging: 380 W vs 65 W
- 140% higher Peak brightness: 1,200 nits vs 500 nits
- 100% higher Refresh rate: 240 Hz vs 120 Hz
Reasons to pick the ASUS Zenbook DUO (2024) UX8406
- Stronger battery score: 67 vs 43
- Stronger portability score: 64 vs 20
- 50% lower weight: 1.65 kg vs 3.3 kg
- 38% lower thickness: 19.9 mm vs 32 mm
- Lower launch price: $1,500 vs $4,299
Display
| Spec | ASUS ROG Strix Scar 18 (2025) | ASUS Zenbook DUO (2024) UX8406 |
|---|---|---|
| Screen size | 18 ″+29% | 14 ″ |
| Panel type | Mini-LED (ROG Nebula HDR) | OLED (dual touchscreens) |
| Resolution | 2560x1600 | 2880x1800 |
| Refresh rate | 240 Hz+100% | 120 Hz |
| Peak brightness | 1,200 nits+140% | 500 nits |
Performance
| Spec | ASUS ROG Strix Scar 18 (2025) | ASUS Zenbook DUO (2024) UX8406 |
|---|---|---|
| Processor | Intel Core Ultra 9 275HX | Intel Core Ultra 7 155H |
| Graphics | NVIDIA GeForce RTX 5090 Laptop | Intel Arc Graphics |
| RAM | 32 GB+100% | 16 GB |
| RAM type | DDR5-5600 (2x SO-DIMM) | LPDDR5X (soldered) |
| Storage | 2,048 GB+100% | 1,024 GB |
| Storage type | PCIe 4.0 NVMe SSD (2 slots) | PCIe 4.0 NVMe SSD (M.2 2280) |
Benchmarks
| Spec | ASUS ROG Strix Scar 18 (2025) | ASUS Zenbook DUO (2024) UX8406 |
|---|---|---|
| Geekbench 6 (single) | 3,100+25%Top 16% | 2,475Bottom 33% |
| Geekbench 6 (multi) | 21,000+63%Top 9% | 12,867Bottom 44% |
Battery
| Spec | ASUS ROG Strix Scar 18 (2025) | ASUS Zenbook DUO (2024) UX8406 |
|---|---|---|
| Capacity | 90 Wh+20% | 75 Wh |
| Web browsing endurance | 5 h | — |
| Charging | 380 W+485% | 65 W |
Design
| Spec | ASUS ROG Strix Scar 18 (2025) | ASUS Zenbook DUO (2024) UX8406 |
|---|---|---|
| Weight | 3.3 kg | 1.65 kg+50% |
| Thickness | 32 mm | 19.9 mm+38% |
| Material | Aluminum lid + polycarbonate | Magnesium-aluminum alloy |
Connectivity
| Spec | ASUS ROG Strix Scar 18 (2025) | ASUS Zenbook DUO (2024) UX8406 |
|---|---|---|
| Ports | Thunderbolt 5, USB-C 3.2 (DP, 100W PD), 3x USB-A 3.2, HDMI 2.1, 2.5G Ethernet, 3.5mm | 2x Thunderbolt 4, 1x USB 3.2 Gen 1 Type-A, HDMI 2.1, 3.5mm combo audio |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 6E (802.11ax) |
| Bluetooth | 5.4 | 5.2 |
| Webcam | 1080p + IR | 1080p FHD with IR |
| Biometrics | IR face (Windows Hello) | IR face (Windows Hello) |
Software
| Spec | ASUS ROG Strix Scar 18 (2025) | ASUS Zenbook DUO (2024) UX8406 |
|---|---|---|
| Operating system | Windows 11 | Windows 11 |
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