ASUS Zenbook S 16 (UM5606) vs Lenovo Legion Pro 5i Gen 9 (16IRX9)
51.6Performance59.9
38.4Display55.5
70.7Battery73.3
79.4Portability29.1
2 spec wins — ASUS Zenbook S 16 (UM5606)5 spec wins — Lenovo Legion Pro 5i Gen 9 (16IRX9)
InnoReviews verdict
This one is close to a dead heat: ASUS Zenbook S 16 (UM5606) scores 57.5 against 56.2 for Lenovo Legion Pro 5i Gen 9 (16IRX9). Pick by the categories that matter to you — ASUS Zenbook S 16 (UM5606) edges ahead in portability, or by price.
Which would you pick?
Key differences
Reasons to pick the ASUS Zenbook S 16 (UM5606)
- Stronger portability score: 79 vs 29
- 56% lower thickness: 11.9 mm vs 27 mm
- 40% lower weight: 1.5 kg vs 2.5 kg
Reasons to pick the Lenovo Legion Pro 5i Gen 9 (16IRX9)
- Stronger performance score: 60 vs 52
- Stronger display score: 56 vs 38
- 362% higher charging: 300 W vs 65 W
- 100% higher Refresh rate: 240 Hz vs 120 Hz
- 36% higher Geekbench 6 (multi): 18,126 vs 13,363
- Lower launch price: $1,499 vs $1,700
Display
| Spec | ASUS Zenbook S 16 (UM5606) | Lenovo Legion Pro 5i Gen 9 (16IRX9) |
|---|---|---|
| Screen size | 16 ″ | 16 ″ |
| Panel type | OLED touchscreen (Lumina, 100% DCI-P3, HDR True Black 500) | IPS (PureSight) |
| Resolution | 2880x1800 | 2560x1600 |
| Refresh rate | 120 Hz | 240 Hz+100% |
| Peak brightness | 500 nits | 500 nits |
Performance
| Spec | ASUS Zenbook S 16 (UM5606) | Lenovo Legion Pro 5i Gen 9 (16IRX9) |
|---|---|---|
| Processor | AMD Ryzen AI 9 HX 370 | Intel Core i9-14900HX |
| Graphics | AMD Radeon 890M Graphics | NVIDIA GeForce RTX 4070 Laptop |
| RAM | 32 GB | 32 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 Pro 5i Gen 9 (16IRX9) |
|---|---|---|
| Geekbench 6 (single) | 2,817Top 43% | 2,889+3%Top 35% |
| Geekbench 6 (multi) | 13,363Top 50% | 18,126+36%Top 21% |
Battery
| Spec | ASUS Zenbook S 16 (UM5606) | Lenovo Legion Pro 5i Gen 9 (16IRX9) |
|---|---|---|
| Capacity | 78 Wh | 80 Wh+3% |
| Charging | 65 W | 300 W+362% |
Design
| Spec | ASUS Zenbook S 16 (UM5606) | Lenovo Legion Pro 5i Gen 9 (16IRX9) |
|---|---|---|
| Weight | 1.5 kg+40% | 2.5 kg |
| Thickness | 11.9 mm+56% | 27 mm |
| Material | Ceraluminum | Aluminum lid, plastic (PC-ABS) base |
Connectivity
| Spec | ASUS Zenbook S 16 (UM5606) | Lenovo Legion Pro 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 (one with 140W PD, both with DisplayPort 1.4), 4x USB-A 5Gbps, HDMI 2.1, RJ-45 Gigabit Ethernet, 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 Pro 5i Gen 9 (16IRX9) |
|---|---|---|
| Operating system | Windows 11 Pro | Windows 11 Home |
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