ASUS Vivobook S 14 OLED (S5406) vs Lenovo Legion 5i Gen 9 (16IRX9)
49.3Performance54.1
41.6Display39.9
66.7Battery73.3
82.7Portability35.7
3 spec wins — ASUS Vivobook S 14 OLED (S5406)4 spec wins — Lenovo Legion 5i Gen 9 (16IRX9)
InnoReviews verdict
ASUS Vivobook S 14 OLED (S5406) wins this laptop face-off, 57.2 to 51.5, pulling ahead mainly in portability (+47) and display (+2). 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 Vivobook S 14 OLED (S5406)
- Stronger portability score: 83 vs 36
- 71% higher Peak brightness: 600 nits vs 350 nits
- 45% lower weight: 1.3 kg vs 2.36 kg
- 45% lower thickness: 13.9 mm vs 25.2 mm
Reasons to pick the Lenovo Legion 5i Gen 9 (16IRX9)
- Stronger performance score: 54 vs 49
- Stronger battery score: 73 vs 67
- 156% higher charging: 230 W vs 90 W
- 38% higher Refresh rate: 165 Hz vs 120 Hz
- 14% higher Screen size: 16 ″ vs 14 ″
Display
| Spec | ASUS Vivobook S 14 OLED (S5406) | Lenovo Legion 5i Gen 9 (16IRX9) |
|---|---|---|
| Screen size | 14 ″ | 16 ″+14% |
| Panel type | OLED (Lumina, 100% DCI-P3, HDR True Black 600) | IPS |
| Resolution | 2880x1800 | 2560x1600 |
| Refresh rate | 120 Hz | 165 Hz+38% |
| Peak brightness | 600 nits+71% | 350 nits |
Performance
| Spec | ASUS Vivobook S 14 OLED (S5406) | Lenovo Legion 5i Gen 9 (16IRX9) |
|---|---|---|
| Processor | Intel Core Ultra 7 155H | Intel Core i7-14650HX |
| Graphics | Intel Arc Graphics | NVIDIA GeForce RTX 4060 Laptop GPU (8GB, 140W) |
| RAM | 16 GB | 16 GB |
| RAM type | LPDDR5X (on board) | DDR5-5600 (2x SO-DIMM) |
| Storage | 1,024 GB | 1,024 GB |
| Storage type | M.2 2280 NVMe PCIe 4.0 SSD | PCIe 4.0 NVMe SSD (2 slots) |
Benchmarks
| Spec | ASUS Vivobook S 14 OLED (S5406) | Lenovo Legion 5i Gen 9 (16IRX9) |
|---|---|---|
| Geekbench 6 (single) | — | 2,856Top 38% |
| Geekbench 6 (multi) | — | 17,201Top 25% |
Battery
| Spec | ASUS Vivobook S 14 OLED (S5406) | Lenovo Legion 5i Gen 9 (16IRX9) |
|---|---|---|
| Capacity | 75 Wh | 80 Wh+7% |
| Charging | 90 W | 230 W+156% |
Design
| Spec | ASUS Vivobook S 14 OLED (S5406) | Lenovo Legion 5i Gen 9 (16IRX9) |
|---|---|---|
| Weight | 1.3 kg+45% | 2.36 kg |
| Thickness | 13.9 mm+45% | 25.2 mm |
| Material | Metal | Aluminum lid, PC-ABS base |
Connectivity
| Spec | ASUS Vivobook S 14 OLED (S5406) | Lenovo Legion 5i Gen 9 (16IRX9) |
|---|---|---|
| Ports | 2x Thunderbolt 4 (display/PD), 2x USB 3.2 Gen 1 Type-A, 1x HDMI 2.1, microSD 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 6E (802.11ax) | Wi-Fi 6E |
| Bluetooth | 5.2 | 5.2 |
| Webcam | FHD with IR and privacy shutter | 1080p with e-shutter |
| Biometrics | IR camera (Windows Hello) | None |
Software
| Spec | ASUS Vivobook S 14 OLED (S5406) | Lenovo Legion 5i Gen 9 (16IRX9) |
|---|---|---|
| Operating system | Windows 11 Home | Windows 11 Home |
Related comparisons
ASUS Vivobook S 14 OLED (S5406)vs Acer Swift 14 AI (SF14-11)VSASUS Vivobook S 14 OLED (S5406)vs HP OMEN Transcend 14 (2025)VSASUS Vivobook S 14 OLED (S5406)vs Apple MacBook Air 13 (M4)VSASUS Vivobook S 14 OLED (S5406)vs Dell XPS 14 (2026)VSLenovo Legion 5i Gen 9 (16IRX9)vs Alienware m16 R2VSLenovo Legion 5i Gen 9 (16IRX9)vs Samsung Galaxy Book4 Edge 14VSLenovo Legion 5i Gen 9 (16IRX9)vs ASUS Vivobook S 16 OLED (S5606)VSLenovo Legion 5i Gen 9 (16IRX9)vs HP OmniBook Ultra Flip 14VS