Head to head
Lenovo IdeaPad Slim 3i 15 vs Apple MacBook Air 13" M1
Both scored on the same six factors, priced on what you actually pay including delivery, and each claim linked to the source it came from. Prototype data — prices and retailer stock are a fixed demo snapshot from 28 July 2026, not a live feed.
Verdict
Take the Lenovo IdeaPad Slim 3i 15 unless you need build quality.
The Apple MacBook Air 13" M1 scores highest at 7.7, but it costs 350,00 € more than the Lenovo IdeaPad Slim 3i 15, which scores 6.2. That premium buys you build quality — 4.0 points of it. Worth it if all-day battery with no fan noise describes you; otherwise it is money you keep. Watch out for plastic chassis flexes under the palm rest on the Lenovo IdeaPad Slim 3i 15.
Best overallApple MacBook Air 13" M1 — Highest Worth Score here at 7.7, 1.5 ahead of the Lenovo IdeaPad Slim 3i 15. Best for all-day battery with no fan noise.
Best valueLenovo IdeaPad Slim 3i 15 — 350,00 € cheaper than the Apple MacBook Air 13" M1 and only 1.5 behind on Worth Score. You give up build quality.
Side by side
Add a third product →The value of a comparison is the differences.
| What matters | Lenovo IdeaPad Slim 3i 15LenovoMedium confidence | Apple MacBook Air 13" M1AppleMedium confidence |
|---|---|---|
| Worth Score | 6.2 | 7.7 (best in this comparison) |
| Best price | 449,00 € (best in this comparison) | 799,00 € |
| Price fairness | 8.6 | 8.8 (best in this comparison) |
| Build quality | 5.0 | 9.0 (best in this comparison) |
| Performance | 5.6 | 7.4 (best in this comparison) |
| Longevity | 5.4 | 7.8 (best in this comparison) |
| Repairability | 6.8 (best in this comparison) | 2.2 |
| Support & warranty | 6.0 | 8.6 (best in this comparison) |
| CPU | Intel Core i5-1235U | Apple M1, 8-core |
| RAM | 8 GB DDR4, one slot free | 8 or 16 GB unified, soldered |
| Storage | 512 GB NVMe, replaceable | 256 GB–2 TB, soldered |
| Screen | 15.6" 1920×1080 TN, 60 Hz, 250 nits | 13.3" 2560×1600 IPS, 60 Hz, 400 nits |
| Battery | 7 h mixed use | 15 h mixed use |
| Upgradeable | RAM and SSD | Nothing |
| Best for | Documents, browsing and video calls · A spare machine · Adding your own RAM and SSD later | All-day battery with no fan noise · Students and writers · The cheapest way into macOS that is not a compromise |
| Avoid if | You want it to feel nice · You do anything sustained | You need more than 16 GB of memory · You want to plug in two monitors |
| Main drawback | Plastic chassis flexes under the palm rest | 8 GB base memory is soldered and cannot be changed |
1 identical row hidden. They are the same for every product here, so they cannot help you choose.
What each score is based on
3 published sources between themLenovo IdeaPad Slim 3i 15
Apple MacBook Air 13" M1
Confidence is computed from those lists, not asserted: Lenovo IdeaPad Slim 3i 15 is medium on 1, Apple MacBook Air 13" M1 is medium on 2. A factor with nothing behind it says so on the product page rather than borrowing a citation that does not speak to it.
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Prototype. Prototype data — prices and retailer stock are a fixed demo snapshot from 28 July 2026, not a live feed. Prices are the cheapest delivered price we recorded — 449,00 € and 799,00 € — not a live quote. How we score products.