ASUS - Zenbook Duo (2024) 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 - Zenbook Duo (2024) | Lenovo - Yoga Slim 9i (Aura Edition) |
|---|---|---|
| CPU cores | 16 | 8 |
| Claimed battery life | 12 h | 18 h |
| Weight | 1.65 kg | 1.35 kg |
Between the Zenbook Duo (2024) and Yoga Slim 9i (Aura Edition), the Zenbook Duo (2024) comes out ahead in cpu cores, while the Yoga Slim 9i (Aura Edition) wins on claimed battery life / weight. Overall, the Zenbook Duo (2024) scores 69.8 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 (69.8 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 Zenbook Duo (2024) 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, weight. The single most decisive one: Claimed battery life — 50.00% more. 18 h vs 12 h.
Both ship with comparable ram, storage, battery, 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 - Zenbook Duo (2024) or Lenovo - Yoga Slim 9i (Aura Edition)?
ASUS - Zenbook Duo (2024) leads the current Mars Score by 0.8 points.The more useful decision is the trade-off behind that result: compare weight against the way you will actually use the product.
Choose ASUS - Zenbook Duo (2024) if…
ASUS - Zenbook Duo (2024) 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, 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 ASUS - Zenbook Duo (2024) wins
- ▲CPU cores — 100.00% more. 16 vs 8.
Why Lenovo - Yoga Slim 9i (Aura Edition) wins
- ▲Claimed battery life — 50.00% more. 18 h vs 12 h.
- ▲Weight — 0.30 kg less. 1.35 vs 1.65.
Spec comparison
Design
| Spec | ASUS - Zenbook Duo (2024) | Lenovo - Yoga Slim 9i (Aura Edition) |
|---|---|---|
| Weight | 1.65 kg | 1.35 kglead |
| Thickness | 14.6 mm | 12.9 mmlead |
| Build material | aluminum | aluminum |
| Backlit keyboard | true | true |
| Fingerprint reader | false | truelead |
Display
| Spec | ASUS - Zenbook Duo (2024) | Lenovo - Yoga Slim 9i (Aura Edition) |
|---|---|---|
| Screen size | 14 " | 14 " |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Panel typeⓘ | OLED | OLED |
Performance
| Spec | ASUS - Zenbook Duo (2024) | Lenovo - Yoga Slim 9i (Aura Edition) |
|---|---|---|
| CPU | Intel Core Ultra 9 185H | Intel Core Ultra 7 258V |
| CPU cores | 16lead | 8 |
| GPUⓘ | Intel Arc Graphics | Intel Arc 140V |
| RAMⓘ | 32 GB | 32 GB |
| Storageⓘ | 1024 GB | 1024 GB |
| Storage typeⓘ | SSD | SSD |
Battery & Ports
| Spec | ASUS - Zenbook Duo (2024) | Lenovo - Yoga Slim 9i (Aura Edition) |
|---|---|---|
| Batteryⓘ | 75 Wh | 75 Wh |
| Claimed battery life | 12 h | 18 hlead |
| USB-C portsⓘ | 2 | 2 |
| Thunderbolt portsⓘ | 2 | 2 |
| HDMI | truelead | false |
Frequently asked
Which has better battery life, Zenbook Duo (2024) or Yoga Slim 9i (Aura Edition)?+
Yoga Slim 9i (Aura Edition) claims up to 18 hours — 12h vs 18h.
Which is lighter, Zenbook Duo (2024) or Yoga Slim 9i (Aura Edition)?+
Yoga Slim 9i (Aura Edition) is lighter at 1.35 kg vs 1.65 kg.
Which has an OLED display, Zenbook Duo (2024) or Yoga Slim 9i (Aura Edition)?+
Both have OLED displays.