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Pick 2–4 products of the same type. The verdict is built from their actual numbers, not written in advance — and the link carries your picks.
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Lenovo IdeaPad Slim 3i 15 · 449 €Apple MacBook Air 13" M1 · 799 €
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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 € |
| Confidence | Medium | Medium |
| 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 |
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.
Prototype data — prices and retailer stock are a fixed demo snapshot from 28 July 2026, not a live feed.