ASUS Zenbook S 16 (UM5606) vs Razer Blade 18 (2025)
51.6Performance65.6
38.4Display55.5
70.7Battery98.7
79.4Portability20
2 spec wins — ASUS Zenbook S 16 (UM5606)6 spec wins — Razer Blade 18 (2025)
InnoReviews verdict
Razer Blade 18 (2025) wins this laptop face-off, 62.2 to 57.5, pulling ahead mainly in battery (+28) and display (+17). ASUS Zenbook S 16 (UM5606) still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the ASUS Zenbook S 16 (UM5606)
- Stronger portability score: 79 vs 20
- 57% lower thickness: 11.9 mm vs 27.9 mm
- 52% lower weight: 1.5 kg vs 3.1 kg
- Lower launch price: $1,700 vs $3,500
Reasons to pick the Razer Blade 18 (2025)
- Stronger performance score: 66 vs 52
- Stronger display score: 56 vs 38
- Stronger battery score: 99 vs 71
- 515% higher charging: 400 W vs 65 W
- 100% higher Refresh rate: 240 Hz vs 120 Hz
Display
| Spec | ASUS Zenbook S 16 (UM5606) | Razer Blade 18 (2025) |
|---|---|---|
| Screen size | 16 ″ | 18 ″+13% |
| Panel type | OLED touchscreen (Lumina, 100% DCI-P3, HDR True Black 500) | IPS |
| Resolution | 2880x1800 | 3840x2400 |
| Refresh rate | 120 Hz | 240 Hz+100% |
| Peak brightness | 500 nits | 500 nits |
Performance
| Spec | ASUS Zenbook S 16 (UM5606) | Razer Blade 18 (2025) |
|---|---|---|
| Processor | AMD Ryzen AI 9 HX 370 | Intel Core Ultra 9 275HX |
| Graphics | AMD Radeon 890M Graphics | NVIDIA GeForce RTX 5070 Ti Laptop |
| RAM | 32 GB | 32 GB |
| RAM type | LPDDR5X (on board) | DDR5-5600 SO-DIMM (2 slots) |
| Storage | 1,024 GB | 1,024 GB |
| Storage type | M.2 NVMe PCIe 4.0 SSD | PCIe 4.0 NVMe SSD (2 slots) |
Benchmarks
| Spec | ASUS Zenbook S 16 (UM5606) | Razer Blade 18 (2025) |
|---|---|---|
| Geekbench 6 (single) | 2,817Top 43% | 3,127+11%Top 15% |
| Geekbench 6 (multi) | 13,363Top 50% | 20,220+51%Top 11% |
Battery
| Spec | ASUS Zenbook S 16 (UM5606) | Razer Blade 18 (2025) |
|---|---|---|
| Capacity | 78 Wh | 99 Wh+27% |
| Charging | 65 W | 400 W+515% |
Design
| Spec | ASUS Zenbook S 16 (UM5606) | Razer Blade 18 (2025) |
|---|---|---|
| Weight | 1.5 kg+52% | 3.1 kg |
| Thickness | 11.9 mm+57% | 27.9 mm |
| Material | Ceraluminum | CNC aluminum (recycled) |
Connectivity
| Spec | ASUS Zenbook S 16 (UM5606) | Razer Blade 18 (2025) |
|---|---|---|
| Ports | 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 | 1x Thunderbolt 5, 1x Thunderbolt 4, 3x USB-A 3.2 Gen 2, HDMI 2.1, 2.5G Ethernet, SD (UHS-II), 3.5mm |
| Wi-Fi | Wi-Fi 7 (802.11be) | Wi-Fi 7 |
| Bluetooth | 5.4 | 5.4 |
| Webcam | FHD with IR | 5MP + IR |
| Biometrics | IR camera (Windows Hello) | IR face (Windows Hello) |
Software
| Spec | ASUS Zenbook S 16 (UM5606) | Razer Blade 18 (2025) |
|---|---|---|
| Operating system | Windows 11 Pro | Windows 11 |
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