ASUS - Vivobook S 14 OLED (2025) vs Lenovo - Yoga Slim 9i (Aura Edition)
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | ASUS - Vivobook S 14 OLED (2025) | Lenovo - Yoga Slim 9i (Aura Edition) |
|---|---|---|
| RAM | 16 GB | 32 GB |
| CPU cores | 10 | 8 |
| Claimed battery life | 16 h | 18 h |
| Thunderbolt ports | 0 | 2 |
| Weight | 1.3 kg | 1.35 kg |
Between the Vivobook S 14 OLED (2025) and Yoga Slim 9i (Aura Edition), the Vivobook S 14 OLED (2025) comes out ahead in cpu cores / weight, while the Yoga Slim 9i (Aura Edition) wins on ram / claimed battery life. Overall, the Vivobook S 14 OLED (2025) scores 68.1 and the Yoga Slim 9i (Aura Edition) scores 69 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (68.1 vs 69). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the Vivobook S 14 OLED (2025) if you carry the device everywhere and weight or thickness has been the deciding factor before. The biggest gaps in its favor are cpu cores, weight. The single most decisive one: CPU cores — 25.00% more. 10 vs 8.
Pick the Yoga Slim 9i (Aura Edition) 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 ram, claimed battery life, thunderbolt ports. The single most decisive one: RAM — 100.00% more. 32 GB vs 16 GB.
Both ship with comparable storage, battery, screen size, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: ASUS - Vivobook S 14 OLED (2025) or Lenovo - Yoga Slim 9i (Aura Edition)?
Lenovo - Yoga Slim 9i (Aura Edition) leads the current Mars Score by 0.9 points.The more useful decision is the trade-off behind that result: compare ram, weight against the way you will actually use the product.
Choose ASUS - Vivobook S 14 OLED (2025) if…
ASUS - Vivobook S 14 OLED (2025) has the measurable edge on cpu cores, weight kg.
Choose Lenovo - Yoga Slim 9i (Aura Edition) if…
Lenovo - Yoga Slim 9i (Aura Edition) has the measurable edge on ram gb, claimed battery h, 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 ASUS - Vivobook S 14 OLED (2025) wins
- ▲CPU cores — 25.00% more. 10 vs 8.
- ▲Weight — 0.05 kg less. 1.3 vs 1.35.
Why Lenovo - Yoga Slim 9i (Aura Edition) wins
- ▲RAM — 100.00% more. 32 GB vs 16 GB.
- ▲Claimed battery life — 12.50% more. 18 h vs 16 h.
- ▲Thunderbolt ports — 2.00 more. 2 vs 0.
Spec comparison
Design
| Spec | ASUS - Vivobook S 14 OLED (2025) | Lenovo - Yoga Slim 9i (Aura Edition) |
|---|---|---|
| Weight | 1.3 kglead | 1.35 kg |
| Thickness | 13.9 mm | 12.9 mmlead |
| Build material | aluminum | aluminum |
| Backlit keyboard | true | true |
| Fingerprint reader | true | true |
Display
| Spec | ASUS - Vivobook S 14 OLED (2025) | Lenovo - Yoga Slim 9i (Aura Edition) |
|---|---|---|
| Screen size | 14 " | 14 " |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Panel typeⓘ | OLED | OLED |
Performance
| Spec | ASUS - Vivobook S 14 OLED (2025) | Lenovo - Yoga Slim 9i (Aura Edition) |
|---|---|---|
| CPU | AMD Ryzen AI 9 365 | Intel Core Ultra 7 258V |
| CPU cores | 10lead | 8 |
| GPUⓘ | AMD Radeon 880M | Intel Arc 140V |
| RAMⓘ | 16 GB | 32 GBlead |
| Storageⓘ | 1024 GB | 1024 GB |
| Storage typeⓘ | SSD | SSD |
Battery & Ports
| Spec | ASUS - Vivobook S 14 OLED (2025) | Lenovo - Yoga Slim 9i (Aura Edition) |
|---|---|---|
| Batteryⓘ | 75 Wh | 75 Wh |
| Claimed battery life | 16 h | 18 hlead |
| USB-C portsⓘ | 2 | 2 |
| Thunderbolt portsⓘ | 0 | 2lead |
| HDMI | truelead | false |
Frequently asked
Which has better battery life, Vivobook S 14 OLED (2025) or Yoga Slim 9i (Aura Edition)?+
Yoga Slim 9i (Aura Edition) claims up to 18 hours — 16h vs 18h.
Which is lighter, Vivobook S 14 OLED (2025) or Yoga Slim 9i (Aura Edition)?+
Vivobook S 14 OLED (2025) is lighter at 1.3 kg vs 1.35 kg.
Which has more RAM, Vivobook S 14 OLED (2025) or Yoga Slim 9i (Aura Edition)?+
Yoga Slim 9i (Aura Edition) offers 32GB of RAM.
Which has an OLED display, Vivobook S 14 OLED (2025) or Yoga Slim 9i (Aura Edition)?+
Both have OLED displays.