ASUS Vivobook S 14 OLED (S5406) vs Lenovo Legion Pro 5i Gen 9 (16IRX9)
49.3Performance59.9
41.6Display55.5
66.7Battery73.3
82.7Portability29.1
3 spec wins — ASUS Vivobook S 14 OLED (S5406)5 spec wins — Lenovo Legion Pro 5i Gen 9 (16IRX9)
InnoReviews verdict
This one is close to a dead heat: ASUS Vivobook S 14 OLED (S5406) scores 57.2 against 56.2 for Lenovo Legion Pro 5i Gen 9 (16IRX9). Pick by the categories that matter to you — ASUS Vivobook S 14 OLED (S5406) edges ahead in portability, or by price.
Which would you pick?
Key differences
Reasons to pick the ASUS Vivobook S 14 OLED (S5406)
- Stronger portability score: 83 vs 29
- 48% lower weight: 1.3 kg vs 2.5 kg
- 48% lower thickness: 13.9 mm vs 27 mm
- 20% higher Peak brightness: 600 nits vs 500 nits
Reasons to pick the Lenovo Legion Pro 5i Gen 9 (16IRX9)
- Stronger performance score: 60 vs 49
- Stronger display score: 56 vs 42
- Stronger battery score: 73 vs 67
- 233% higher charging: 300 W vs 90 W
- 100% higher Refresh rate: 240 Hz vs 120 Hz
Display
| Spec | ASUS Vivobook S 14 OLED (S5406) | Lenovo Legion Pro 5i Gen 9 (16IRX9) |
|---|---|---|
| Screen size | 14 ″ | 16 ″+14% |
| Panel type | OLED (Lumina, 100% DCI-P3, HDR True Black 600) | IPS (PureSight) |
| Resolution | 2880x1800 | 2560x1600 |
| Refresh rate | 120 Hz | 240 Hz+100% |
| Peak brightness | 600 nits+20% | 500 nits |
Performance
| Spec | ASUS Vivobook S 14 OLED (S5406) | Lenovo Legion Pro 5i Gen 9 (16IRX9) |
|---|---|---|
| Processor | Intel Core Ultra 7 155H | Intel Core i9-14900HX |
| Graphics | Intel Arc Graphics | NVIDIA GeForce RTX 4070 Laptop |
| RAM | 16 GB | 32 GB+100% |
| 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 Pro 5i Gen 9 (16IRX9) |
|---|---|---|
| Geekbench 6 (single) | — | 2,889Top 35% |
| Geekbench 6 (multi) | — | 18,126Top 21% |
Battery
| Spec | ASUS Vivobook S 14 OLED (S5406) | Lenovo Legion Pro 5i Gen 9 (16IRX9) |
|---|---|---|
| Capacity | 75 Wh | 80 Wh+7% |
| Charging | 90 W | 300 W+233% |
Design
| Spec | ASUS Vivobook S 14 OLED (S5406) | Lenovo Legion Pro 5i Gen 9 (16IRX9) |
|---|---|---|
| Weight | 1.3 kg+48% | 2.5 kg |
| Thickness | 13.9 mm+48% | 27 mm |
| Material | Metal | Aluminum lid, plastic (PC-ABS) base |
Connectivity
| Spec | ASUS Vivobook S 14 OLED (S5406) | Lenovo Legion Pro 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 (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 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 Pro 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 Pro 5i Gen 9 (16IRX9)vs Microsoft Surface Laptop 13-inch (8th Edition)VSLenovo Legion Pro 5i Gen 9 (16IRX9)vs Acer Predator Helios Neo 16 AI (PHN16-73)VSLenovo Legion Pro 5i Gen 9 (16IRX9)vs Lecoo Air 14 2026VSLenovo Legion Pro 5i Gen 9 (16IRX9)vs ASUS ROG Strix Scar 18 (2025)VS