Lenovo - Legion Pro 7i Gen 10 vs ASUS - Zenbook S 14 UX5406
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Lenovo - Legion Pro 7i Gen 10 | ASUS - Zenbook S 14 UX5406 |
|---|---|---|
| CPU cores | 24 | 8 |
| Storage | 2048 GB | 1024 GB |
| Refresh rate | 240 Hz | 120 Hz |
| Claimed battery life | 8 h | 16 h |
| Battery | 99.99 Wh | 72 Wh |
| Screen size | 16 " | 14 " |
Between the Legion Pro 7i Gen 10 and Zenbook S 14 UX5406, the Legion Pro 7i Gen 10 comes out ahead in cpu cores / storage, while the Zenbook S 14 UX5406 wins on claimed battery life / weight. Overall, the Legion Pro 7i Gen 10 scores 78.1 and the Zenbook S 14 UX5406 scores 69.1 on our Mars Score.
Which should you buy?
The Legion Pro 7i Gen 10 is the clear pick on raw spec strength, leading by 9.0 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Legion Pro 7i Gen 10 if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. The biggest gaps in its favor are cpu cores, storage, refresh rate, among others. The single most decisive one: CPU cores — 200.00% more. 24 vs 8.
Pick the Zenbook S 14 UX5406 if your top frustration with your current device is running out of charge before the day ends — endurance is the lead spec here. Its strongest claims are claimed battery life, weight, thunderbolt ports, among others. The single most decisive one: Claimed battery life — 100.00% more. 16 h vs 8 h.
Both ship with comparable ram, backlit keyboard, so those specs do not separate the two — focus on the differences below.
Bottom line: the Legion Pro 7i Gen 10 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: Lenovo - Legion Pro 7i Gen 10 or ASUS - Zenbook S 14 UX5406?
Lenovo - Legion Pro 7i Gen 10 leads the current Mars Score by 9.0 points.The more useful decision is the trade-off behind that result: compare screen size, weight, battery against the way you will actually use the product.
Choose Lenovo - Legion Pro 7i Gen 10 if…
Lenovo - Legion Pro 7i Gen 10 has the measurable edge on cpu cores, storage gb, refresh rate hz.
Choose ASUS - Zenbook S 14 UX5406 if…
ASUS - Zenbook S 14 UX5406 has the measurable edge on claimed battery h, weight kg, port thunderbolt count.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Lenovo - Legion Pro 7i Gen 10 wins
- ▲CPU cores — 200.00% more. 24 vs 8.
- ▲Storage — 100.00% more. 2048 GB vs 1024 GB.
- ▲Refresh rate — 100.00% more. 240 Hz vs 120 Hz.
- ▲Battery — 38.87% more. 99.99 Wh vs 72 Wh.
- ▲Screen size — 14.29% more. 16 " vs 14 ".
Why ASUS - Zenbook S 14 UX5406 wins
- ▲Claimed battery life — 100.00% more. 16 h vs 8 h.
- ▲Weight — 1.52 kg less. 1.20 vs 2.72.
- ▲Thunderbolt ports — 1.00 more. 2 vs 1.
- ▲Panel type: OLED (vs IPS).
Spec comparison
Design
| Spec | Lenovo - Legion Pro 7i Gen 10 | ASUS - Zenbook S 14 UX5406 |
|---|---|---|
| Weight | 2.72 kg | 1.20 kglead |
| Thickness | 26.6 mm | 11.9 mmlead |
| Build material | aluminum | ceraluminum |
| Backlit keyboard | true | true |
| Fingerprint reader | false | truelead |
Display
| Spec | Lenovo - Legion Pro 7i Gen 10 | ASUS - Zenbook S 14 UX5406 |
|---|---|---|
| Screen size | 16 "lead | 14 " |
| Refresh rateⓘ | 240 Hzlead | 120 Hz |
| Panel typeⓘ | IPS | OLEDlead |
Performance
| Spec | Lenovo - Legion Pro 7i Gen 10 | ASUS - Zenbook S 14 UX5406 |
|---|---|---|
| CPU | Intel Core Ultra 9 275HX | Intel Core Ultra 7 258V |
| CPU cores | 24lead | 8 |
| GPUⓘ | NVIDIA GeForce RTX 5080 Laptop | Intel Arc 140V |
| RAMⓘ | 32 GB | 32 GB |
| Storageⓘ | 2048 GBlead | 1024 GB |
| Storage typeⓘ | SSD | SSD |
Battery & Ports
| Spec | Lenovo - Legion Pro 7i Gen 10 | ASUS - Zenbook S 14 UX5406 |
|---|---|---|
| Batteryⓘ | 99.99 Whlead | 72 Wh |
| Claimed battery life | 8 h | 16 hlead |
| USB-C portsⓘ | 2 | 2 |
| Thunderbolt portsⓘ | 1 | 2lead |
| HDMI | true | true |
Frequently asked
Which has better battery life, Legion Pro 7i Gen 10 or Zenbook S 14 UX5406?+
Zenbook S 14 UX5406 claims up to 16 hours — 8h vs 16h.
Which is lighter, Legion Pro 7i Gen 10 or Zenbook S 14 UX5406?+
Zenbook S 14 UX5406 is lighter at 1.20 kg vs 2.72 kg.
Which has an OLED display, Legion Pro 7i Gen 10 or Zenbook S 14 UX5406?+
Zenbook S 14 UX5406 has an OLED display; Legion Pro 7i Gen 10 uses IPS.