ASUS ROG Strix Scar 18 (2025) vs ASUS Zenbook S16 (2026) UM5606GA
69.8Performancespec-based53.6
100Graphicschip60.9
78.4Displayspec-based58
42.9Batteryspec-based70.9
20Portabilityspec-based78.1
8 spec wins — ASUS ROG Strix Scar 18 (2025)3 spec wins — ASUS Zenbook S16 (2026) UM5606GA
InnoReviews verdict
This one is close to a dead heat: ASUS ROG Strix Scar 18 (2025) scores 62.7 against 62.7 for ASUS Zenbook S16 (2026) UM5606GA. Pick by the categories that matter to you — ASUS ROG Strix Scar 18 (2025) edges ahead in graphics, or by price.
Which would you pick?
Key differences
Reasons to pick the ASUS ROG Strix Scar 18 (2025)
- Stronger graphics score: 100 vs 61
- 459% higher charging: 380 W vs 68 W
- 100% higher Refresh rate: 240 Hz vs 120 Hz
- 100% higher storage: 2,048 GB vs 1,024 GB
- 49% higher Geekbench 6 (multi): 21,668 vs 14,562
Reasons to pick the ASUS Zenbook S16 (2026) UM5606GA
- 161% higher Web browsing endurance: 13.1 h vs 5 h
- 60% lower thickness: 12.9 mm vs 32 mm
- 55% lower weight: 1.5 kg vs 3.3 kg
- Lower launch price: $1,900 vs $4,299
Display
| Spec | ASUS ROG Strix Scar 18 (2025) | ASUS Zenbook S16 (2026) UM5606GA |
|---|---|---|
| Screen size | 18 ″+13% | 16 ″ |
| Panel type | Mini-LED (ROG Nebula HDR) | OLED touchscreen (ASUS Lumina, 100% DCI-P3) |
| Resolution | 2560x1600 | 2880x1800 |
| Refresh rate | 240 Hz+100% | 120 Hz |
| Peak brightness | 1,200 nits+9% | 1,100 nits |
Performance
| Spec | ASUS ROG Strix Scar 18 (2025) | ASUS Zenbook S16 (2026) UM5606GA |
|---|---|---|
| Processor | Intel Core Ultra 9 275HX | AMD Ryzen AI 9 465 |
| Graphics | NVIDIA GeForce RTX 5090 Laptop | AMD Radeon 880M (12 CUs, integrated) |
| RAM | 32 GB | 32 GB |
| RAM type | DDR5-5600 (2x SO-DIMM) | LPDDR5X-8533 (soldered) |
| Storage | 2,048 GB+100% | 1,024 GB |
| Storage type | PCIe 4.0 NVMe SSD (2 slots) | M.2 2280 NVMe PCIe 4.0 SSD |
Benchmarks
| Spec | ASUS ROG Strix Scar 18 (2025) | ASUS Zenbook S16 (2026) UM5606GA |
|---|---|---|
| Geekbench 6 (single) | 3,158+11%Top 9% | 2,834Top 49% |
| Geekbench 6 (multi) | 21,668+49%Top 5% | 14,562Top 43% |
| 3DMark Time Spy Graphics (GPU) | 25,090Top 1% | — |
Battery
| Spec | ASUS ROG Strix Scar 18 (2025) | ASUS Zenbook S16 (2026) UM5606GA |
|---|---|---|
| Capacity | 90 Wh+8% | 83 Wh |
| Web browsing endurance | 5 h | 13.1 h+161% |
| Charging | 380 W+459% | 68 W |
Design
| Spec | ASUS ROG Strix Scar 18 (2025) | ASUS Zenbook S16 (2026) UM5606GA |
|---|---|---|
| Weight | 3.3 kg | 1.5 kg+55% |
| Thickness | 32 mm | 12.9 mm+60% |
| Material | Aluminum lid + polycarbonate | Aluminum (all-metal, Ceraluminum lid) |
Connectivity
| Spec | ASUS ROG Strix Scar 18 (2025) | ASUS Zenbook S16 (2026) UM5606GA |
|---|---|---|
| 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 Gen 3 Type-C (40Gbps, display and power delivery), 1x USB 3.2 Gen 2 Type-A, 1x HDMI 2.1 TMDS, 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 face (Windows Hello) |
Software
| Spec | ASUS ROG Strix Scar 18 (2025) | ASUS Zenbook S16 (2026) UM5606GA |
|---|---|---|
| Operating system | Windows 11 | Windows 11 Home or Pro |
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