ASUS Zenbook S 16 (UM5606KA) vs Lenovo Legion 5i Gen 9 (16IRX9)
47.3chipPerformance54.1
53.4chipGraphics82.1
38.4Displayspec-based39.9
70.7Batteryspec-based73.3
78.1Portabilityspec-based35.7
4 spec wins — ASUS Zenbook S 16 (UM5606KA)3 spec wins — Lenovo Legion 5i Gen 9 (16IRX9)
InnoReviews verdict
This one is close to a dead heat: ASUS Zenbook S 16 (UM5606KA) scores 55.5 against 55.4 for Lenovo Legion 5i Gen 9 (16IRX9). Pick by the categories that matter to you, or by price.
Which would you pick?
Key differences
Reasons to pick the ASUS Zenbook S 16 (UM5606KA)
- 50% higher RAM: 24 GB vs 16 GB
- 49% lower thickness: 12.9 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)
- Stronger performance score: 54 vs 47
- Stronger graphics score: 82 vs 53
- 254% higher charging: 230 W vs 65 W
- 38% higher Refresh rate: 165 Hz vs 120 Hz
- Lower launch price: $1,399 vs $1,599
Display
| Spec | ASUS Zenbook S 16 (UM5606KA) | Lenovo Legion 5i Gen 9 (16IRX9) |
|---|---|---|
| Screen size | 16 ″ | 16 ″ |
| Panel type | OLED touchscreen (stylus support) | IPS |
| Resolution | 2880x1800 | 2560x1600 |
| Refresh rate | 120 Hz | 165 Hz+38% |
| Peak brightness | 500 nits+43% | 350 nits |
Performance
| Spec | ASUS Zenbook S 16 (UM5606KA) | Lenovo Legion 5i Gen 9 (16IRX9) |
|---|---|---|
| Processor | AMD Ryzen AI 7 350 | Intel Core i7-14650HX |
| Graphics | AMD Radeon 860M (integrated) | NVIDIA GeForce RTX 4060 Laptop GPU (8GB, 140W) |
| RAM | 24 GB+50% | 16 GB |
| RAM type | LPDDR5X (soldered) | 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 (UM5606KA) | Lenovo Legion 5i Gen 9 (16IRX9) |
|---|---|---|
| Geekbench 6 (single) | — | 2,856Top 42% |
| Geekbench 6 (multi) | — | 17,201Top 23% |
| 3DMark Time Spy Graphics (GPU) | — | 10,397Bottom 22% |
Battery
| Spec | ASUS Zenbook S 16 (UM5606KA) | Lenovo Legion 5i Gen 9 (16IRX9) |
|---|---|---|
| Capacity | 78 Wh | 80 Wh+3% |
| Charging | 65 W | 230 W+254% |
Design
| Spec | ASUS Zenbook S 16 (UM5606KA) | Lenovo Legion 5i Gen 9 (16IRX9) |
|---|---|---|
| Weight | 1.5 kg+36% | 2.36 kg |
| Thickness | 12.9 mm+49% | 25.2 mm |
| Material | — | Aluminum lid, PC-ABS base |
Connectivity
| Spec | ASUS Zenbook S 16 (UM5606KA) | Lenovo Legion 5i Gen 9 (16IRX9) |
|---|---|---|
| Ports | 2x USB4 Gen 3 Type-C (40Gbps, display and power delivery), 1x USB 3.2 Gen 2 Type-A, HDMI 2.1, SD 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 for Windows Hello face login | None |
Software
| Spec | ASUS Zenbook S 16 (UM5606KA) | Lenovo Legion 5i Gen 9 (16IRX9) |
|---|---|---|
| Operating system | Windows 11 Home | Windows 11 Home |
Related comparisons
ASUS Zenbook S 16 (UM5606KA)vs ASUS TUF Gaming 16 (2026)VSASUS Zenbook S 16 (UM5606KA)vs HP EliteBook Ultra G1i 14VSASUS Zenbook S 16 (UM5606KA)vs Acer TravelMate P4 Spin 14 AI TMP414RN-56VSASUS Zenbook S 16 (UM5606KA)vs ASUS Zenbook 14 OLED (UX3405)VSLenovo Legion 5i Gen 9 (16IRX9)vs Acer TravelMate P4 Spin 14 AI TMP414RN-56VSLenovo Legion 5i Gen 9 (16IRX9)vs ASUS Zenbook 14 OLED (UX3405)VSLenovo Legion 5i Gen 9 (16IRX9)vs HP EliteBook X G2q 14VSLenovo Legion 5i Gen 9 (16IRX9)vs Lenovo ThinkPad T14s Gen 6 (Intel)VS

