MSI - Stealth 14 AI Studio 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 | MSI - Stealth 14 AI Studio | Lenovo - Yoga Slim 9i (Aura Edition) |
|---|---|---|
| CPU cores | 16 | 8 |
| Claimed battery life | 10 h | 18 h |
| Battery | 72 Wh | 75 Wh |
| Weight | 1.7 kg | 1.35 kg |
Between the Stealth 14 AI Studio and Yoga Slim 9i (Aura Edition), the Stealth 14 AI Studio comes out ahead in cpu cores, while the Yoga Slim 9i (Aura Edition) wins on claimed battery life / battery. Overall, the Stealth 14 AI Studio scores 68.8 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 (68.8 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 Stealth 14 AI Studio if you care most about cpu cores. The biggest gaps in its favor are cpu cores. The single most decisive one: CPU cores — 100.00% more. 16 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 claimed battery life, battery, weight. The single most decisive one: Claimed battery life — 80.00% more. 18 h vs 10 h.
Both ship with comparable ram, storage, 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: MSI - Stealth 14 AI Studio or Lenovo - Yoga Slim 9i (Aura Edition)?
Lenovo - Yoga Slim 9i (Aura Edition) leads the current Mars Score by 0.2 points.The more useful decision is the trade-off behind that result: compare weight, battery against the way you will actually use the product.
Choose MSI - Stealth 14 AI Studio if…
MSI - Stealth 14 AI Studio has the measurable edge on cpu cores.
Choose Lenovo - Yoga Slim 9i (Aura Edition) if…
Lenovo - Yoga Slim 9i (Aura Edition) has the measurable edge on claimed battery h, battery wh, weight kg.
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 MSI - Stealth 14 AI Studio wins
- ▲CPU cores — 100.00% more. 16 vs 8.
Why Lenovo - Yoga Slim 9i (Aura Edition) wins
- ▲Claimed battery life — 80.00% more. 18 h vs 10 h.
- ▲Battery — 4.17% more. 75 Wh vs 72 Wh.
- ▲Weight — 0.35 kg less. 1.35 vs 1.7.
Spec comparison
Design
| Spec | MSI - Stealth 14 AI Studio | Lenovo - Yoga Slim 9i (Aura Edition) |
|---|---|---|
| Weight | 1.7 kg | 1.35 kglead |
| Thickness | 19 mm | 12.9 mmlead |
| Build material | aluminum | aluminum |
| Backlit keyboard | true | true |
| Fingerprint reader | true | true |
Display
| Spec | MSI - Stealth 14 AI Studio | Lenovo - Yoga Slim 9i (Aura Edition) |
|---|---|---|
| Screen size | 14 " | 14 " |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Panel typeⓘ | OLED | OLED |
Performance
| Spec | MSI - Stealth 14 AI Studio | Lenovo - Yoga Slim 9i (Aura Edition) |
|---|---|---|
| CPU | Intel Core Ultra 9 185H | Intel Core Ultra 7 258V |
| CPU cores | 16lead | 8 |
| GPUⓘ | NVIDIA GeForce RTX 4070 (Laptop) | Intel Arc 140V |
| RAMⓘ | 32 GB | 32 GB |
| Storageⓘ | 1024 GB | 1024 GB |
| Storage typeⓘ | SSD | SSD |
Battery & Ports
| Spec | MSI - Stealth 14 AI Studio | Lenovo - Yoga Slim 9i (Aura Edition) |
|---|---|---|
| Batteryⓘ | 72 Wh | 75 Whlead |
| Claimed battery life | 10 h | 18 hlead |
| USB-C portsⓘ | 1 | 2lead |
| Thunderbolt portsⓘ | 2 | 2 |
| HDMI | truelead | false |
Frequently asked
Which has better battery life, Stealth 14 AI Studio or Yoga Slim 9i (Aura Edition)?+
Yoga Slim 9i (Aura Edition) claims up to 18 hours — 10h vs 18h.
Which is lighter, Stealth 14 AI Studio or Yoga Slim 9i (Aura Edition)?+
Yoga Slim 9i (Aura Edition) is lighter at 1.35 kg vs 1.7 kg.
Which has an OLED display, Stealth 14 AI Studio or Yoga Slim 9i (Aura Edition)?+
Both have OLED displays.