Acer - Swift 14 AI 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 | Acer - Swift 14 AI | Lenovo - Yoga Slim 9i (Aura Edition) |
|---|---|---|
| RAM | 16 GB | 32 GB |
| CPU cores | 12 | 8 |
| Claimed battery life | 26 h | 18 h |
| Thunderbolt ports | 0 | 2 |
| Panel type | IPS | OLED |
| Weight | 1.32 kg | 1.35 kg |
Between the Swift 14 AI and Yoga Slim 9i (Aura Edition), the Swift 14 AI comes out ahead in cpu cores / claimed battery life, while the Yoga Slim 9i (Aura Edition) wins on ram / thunderbolt ports. Overall, the Swift 14 AI scores 68.6 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 (68.6 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 Swift 14 AI if your top frustration with your current device is running out of charge before the day ends — endurance is the lead spec here. The biggest gaps in its favor are cpu cores, claimed battery life, weight. The single most decisive one: CPU cores — 50.00% more. 12 vs 8.
Pick the Yoga Slim 9i (Aura Edition) if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. Its strongest claims are ram, thunderbolt ports, panel type. 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: Acer - Swift 14 AI or Lenovo - Yoga Slim 9i (Aura Edition)?
Lenovo - Yoga Slim 9i (Aura Edition) leads the current Mars Score by 0.4 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 Acer - Swift 14 AI if…
Acer - Swift 14 AI has the measurable edge on cpu cores, claimed battery h, weight kg.
Choose Lenovo - Yoga Slim 9i (Aura Edition) if…
Lenovo - Yoga Slim 9i (Aura Edition) has the measurable edge on ram gb, port thunderbolt count, panel type.
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 Acer - Swift 14 AI wins
- ▲CPU cores — 50.00% more. 12 vs 8.
- ▲Claimed battery life — 44.44% more. 26 h vs 18 h.
- ▲Weight — 0.03 kg less. 1.32 vs 1.35.
Why Lenovo - Yoga Slim 9i (Aura Edition) wins
- ▲RAM — 100.00% more. 32 GB vs 16 GB.
- ▲Thunderbolt ports — 2.00 more. 2 vs 0.
- ▲Panel type: OLED (vs IPS).
Spec comparison
Design
| Spec | Acer - Swift 14 AI | Lenovo - Yoga Slim 9i (Aura Edition) |
|---|---|---|
| Weight | 1.32 kglead | 1.35 kg |
| Thickness | 15.9 mm | 12.9 mmlead |
| Build material | aluminum | aluminum |
| Backlit keyboard | true | true |
| Fingerprint reader | true | true |
Display
| Spec | Acer - Swift 14 AI | Lenovo - Yoga Slim 9i (Aura Edition) |
|---|---|---|
| Screen size | 14 " | 14 " |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Panel typeⓘ | IPS | OLEDlead |
Performance
| Spec | Acer - Swift 14 AI | Lenovo - Yoga Slim 9i (Aura Edition) |
|---|---|---|
| CPU | Snapdragon X Elite X1E-78-100 | Intel Core Ultra 7 258V |
| CPU cores | 12lead | 8 |
| GPUⓘ | Qualcomm Adreno | Intel Arc 140V |
| RAMⓘ | 16 GB | 32 GBlead |
| Storageⓘ | 1024 GB | 1024 GB |
| Storage typeⓘ | SSD | SSD |
Battery & Ports
| Spec | Acer - Swift 14 AI | Lenovo - Yoga Slim 9i (Aura Edition) |
|---|---|---|
| Batteryⓘ | 75 Wh | 75 Wh |
| Claimed battery life | 26 hlead | 18 h |
| USB-C portsⓘ | 2 | 2 |
| Thunderbolt portsⓘ | 0 | 2lead |
| HDMI | truelead | false |
Frequently asked
Which has better battery life, Swift 14 AI or Yoga Slim 9i (Aura Edition)?+
Swift 14 AI claims up to 26 hours — 26h vs 18h.
Which is lighter, Swift 14 AI or Yoga Slim 9i (Aura Edition)?+
Swift 14 AI is lighter at 1.32 kg vs 1.35 kg.
Which has more RAM, Swift 14 AI or Yoga Slim 9i (Aura Edition)?+
Yoga Slim 9i (Aura Edition) offers 32GB of RAM.
Which has an OLED display, Swift 14 AI or Yoga Slim 9i (Aura Edition)?+
Yoga Slim 9i (Aura Edition) has an OLED display; Swift 14 AI uses IPS.