ASUS Zenbook S 16 (UM5606) vs Lenovo Legion 5i Gen 9 (16IRX9)
51.6Performance54.1
38.4Display39.9
70.7Battery73.3
79.4Portability35.7
4 spec wins — ASUS Zenbook S 16 (UM5606)5 spec wins — Lenovo Legion 5i Gen 9 (16IRX9)
InnoReviews verdict
ASUS Zenbook S 16 (UM5606) wins this laptop face-off, 57.5 to 51.5, pulling ahead mainly in portability (+44). Lenovo Legion 5i Gen 9 (16IRX9) 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 36
- 100% higher RAM: 32 GB vs 16 GB
- 53% lower thickness: 11.9 mm vs 25.2 mm
- 43% higher Peak brightness: 500 nits vs 350 nits
- 36% lower weight: 1.5 kg vs 2.36 kg
Reasons to pick the Lenovo Legion 5i Gen 9 (16IRX9)
- 254% higher charging: 230 W vs 65 W
- 38% higher Refresh rate: 165 Hz vs 120 Hz
- 29% higher Geekbench 6 (multi): 17,201 vs 13,363
- Lower launch price: $1,399 vs $1,700
Display
| Spec | ASUS Zenbook S 16 (UM5606) | Lenovo Legion 5i Gen 9 (16IRX9) |
|---|---|---|
| Screen size | 16 ″ | 16 ″ |
| Panel type | OLED touchscreen (Lumina, 100% DCI-P3, HDR True Black 500) | IPS |
| Resolution | 2880x1800 | 2560x1600 |
| Refresh rate | 120 Hz | 165 Hz+38% |
| Peak brightness | 500 nits+43% | 350 nits |
Performance
| Spec | ASUS Zenbook S 16 (UM5606) | Lenovo Legion 5i Gen 9 (16IRX9) |
|---|---|---|
| Processor | AMD Ryzen AI 9 HX 370 | Intel Core i7-14650HX |
| Graphics | AMD Radeon 890M Graphics | NVIDIA GeForce RTX 4060 Laptop GPU (8GB, 140W) |
| RAM | 32 GB+100% | 16 GB |
| RAM type | LPDDR5X (on board) | DDR5-5600 (2x SO-DIMM) |
| 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) | Lenovo Legion 5i Gen 9 (16IRX9) |
|---|---|---|
| Geekbench 6 (single) | 2,817Top 43% | 2,856+1%Top 38% |
| Geekbench 6 (multi) | 13,363Top 50% | 17,201+29%Top 25% |
Battery
| Spec | ASUS Zenbook S 16 (UM5606) | Lenovo Legion 5i Gen 9 (16IRX9) |
|---|---|---|
| Capacity | 78 Wh | 80 Wh+3% |
| Charging | 65 W | 230 W+254% |
Design
| Spec | ASUS Zenbook S 16 (UM5606) | Lenovo Legion 5i Gen 9 (16IRX9) |
|---|---|---|
| Weight | 1.5 kg+36% | 2.36 kg |
| Thickness | 11.9 mm+53% | 25.2 mm |
| Material | Ceraluminum | Aluminum lid, PC-ABS base |
Connectivity
| Spec | ASUS Zenbook S 16 (UM5606) | Lenovo Legion 5i Gen 9 (16IRX9) |
|---|---|---|
| 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 | 2x USB-C 10Gbps (both with DisplayPort 1.4, one with 140W power input), 3x USB-A 5Gbps (one always-on), HDMI 2.1, Gigabit Ethernet, microSD card reader, 3.5mm combo jack |
| Wi-Fi | Wi-Fi 7 (802.11be) | Wi-Fi 6E |
| Bluetooth | 5.4 | 5.2 |
| Webcam | FHD with IR | 1080p with e-shutter |
| Biometrics | IR camera (Windows Hello) | None |
Software
| Spec | ASUS Zenbook S 16 (UM5606) | Lenovo Legion 5i Gen 9 (16IRX9) |
|---|---|---|
| Operating system | Windows 11 Pro | Windows 11 Home |
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