ASUS ROG Strix Scar 18 (2025) vs ASUS Zenbook S 16 (UM5606)
68.2Performance51.6
78.4Display38.4
42.9Battery70.7
20Portability79.4
8 spec wins — ASUS ROG Strix Scar 18 (2025)2 spec wins — ASUS Zenbook S 16 (UM5606)
InnoReviews verdict
This one is close to a dead heat: ASUS ROG Strix Scar 18 (2025) scores 56.5 against 57.5 for ASUS Zenbook S 16 (UM5606). Pick by the categories that matter to you — ASUS Zenbook S 16 (UM5606) edges ahead in portability and battery, or by price.
Which would you pick?
Key differences
Reasons to pick the ASUS ROG Strix Scar 18 (2025)
- Stronger performance score: 68 vs 52
- 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 S 16 (UM5606)
- Stronger battery score: 71 vs 43
- Stronger portability score: 79 vs 20
- 63% lower thickness: 11.9 mm vs 32 mm
- 55% lower weight: 1.5 kg vs 3.3 kg
- Lower launch price: $1,700 vs $4,299
Display
| Spec | ASUS ROG Strix Scar 18 (2025) | ASUS Zenbook S 16 (UM5606) |
|---|---|---|
| Screen size | 18 ″+13% | 16 ″ |
| Panel type | Mini-LED (ROG Nebula HDR) | OLED touchscreen (Lumina, 100% DCI-P3, HDR True Black 500) |
| 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 S 16 (UM5606) |
|---|---|---|
| Processor | Intel Core Ultra 9 275HX | AMD Ryzen AI 9 HX 370 |
| Graphics | NVIDIA GeForce RTX 5090 Laptop | AMD Radeon 890M Graphics |
| RAM | 32 GB | 32 GB |
| RAM type | DDR5-5600 (2x SO-DIMM) | LPDDR5X (on board) |
| Storage | 2,048 GB+100% | 1,024 GB |
| Storage type | PCIe 4.0 NVMe SSD (2 slots) | M.2 NVMe PCIe 4.0 SSD |
Benchmarks
| Spec | ASUS ROG Strix Scar 18 (2025) | ASUS Zenbook S 16 (UM5606) |
|---|---|---|
| Geekbench 6 (single) | 3,100+10%Top 16% | 2,817Top 43% |
| Geekbench 6 (multi) | 21,000+57%Top 9% | 13,363Top 50% |
Battery
| Spec | ASUS ROG Strix Scar 18 (2025) | ASUS Zenbook S 16 (UM5606) |
|---|---|---|
| Capacity | 90 Wh+15% | 78 Wh |
| Web browsing endurance | 5 h | — |
| Charging | 380 W+485% | 65 W |
Design
| Spec | ASUS ROG Strix Scar 18 (2025) | ASUS Zenbook S 16 (UM5606) |
|---|---|---|
| Weight | 3.3 kg | 1.5 kg+55% |
| Thickness | 32 mm | 11.9 mm+63% |
| Material | Aluminum lid + polycarbonate | Ceraluminum |
Connectivity
| Spec | ASUS ROG Strix Scar 18 (2025) | ASUS Zenbook S 16 (UM5606) |
|---|---|---|
| Ports | Thunderbolt 5, USB-C 3.2 (DP, 100W PD), 3x USB-A 3.2, HDMI 2.1, 2.5G Ethernet, 3.5mm | 2x USB4 Type-C (40Gbps, display/PD), 1x USB 3.2 Gen 2 Type-A, 1x HDMI 2.1, SD 4.0 card reader, 3.5mm combo audio jack |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 (802.11be) |
| Bluetooth | 5.4 | 5.4 |
| Webcam | 1080p + IR | FHD with IR |
| Biometrics | IR face (Windows Hello) | IR camera (Windows Hello) |
Software
| Spec | ASUS ROG Strix Scar 18 (2025) | ASUS Zenbook S 16 (UM5606) |
|---|---|---|
| Operating system | Windows 11 | Windows 11 Pro |
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