Head to head
Acer Chromebook Plus 515 vs Lenovo IdeaPad Slim 3i 15
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 Acer Chromebook Plus 515 unless you need repairability.
The Lenovo IdeaPad Slim 3i 15 scores highest at 6.2, but it costs 50,00 € more than the Acer Chromebook Plus 515, which scores 5.9. That premium buys you repairability — 2.2 points of it. Worth it if documents, browsing and video calls describes you; otherwise it is money you keep. Watch out for chromeOS auto-update expiry ends security patches on a fixed date on the Acer Chromebook Plus 515.
Best overallLenovo IdeaPad Slim 3i 15 — Highest Worth Score here at 6.2, 0.3 ahead of the Acer Chromebook Plus 515. Best for documents, browsing and video calls.
Best valueAcer Chromebook Plus 515 — 50,00 € cheaper than the Lenovo IdeaPad Slim 3i 15 and only 0.3 behind on Worth Score. You give up repairability.
Side by side
Add a third product →The value of a comparison is the differences.
| What matters | Acer Chromebook Plus 515AcerMedium confidence | Lenovo IdeaPad Slim 3i 15LenovoMedium confidence |
|---|---|---|
| Worth Score | 5.9 | 6.2 (best in this comparison) |
| Best price | 399,00 € (best in this comparison) | 449,00 € |
| Price fairness | 8.8 (best in this comparison) | 8.6 |
| Build quality | 5.4 (best in this comparison) | 5.0 |
| Performance | 5.2 | 5.6 (best in this comparison) |
| Longevity | 5.0 | 5.4 (best in this comparison) |
| Repairability | 4.6 | 6.8 (best in this comparison) |
| Support & warranty | 5.8 | 6.0 (best in this comparison) |
| CPU | Intel Core i3-1215U | Intel Core i5-1235U |
| RAM | 8 GB LPDDR4x, soldered | 8 GB DDR4, one slot free |
| Storage | 128 GB eMMC | 512 GB NVMe, replaceable |
| Screen | 15.6" 1920×1080 IPS, 60 Hz, 250 nits | 15.6" 1920×1080 TN, 60 Hz, 250 nits |
| Battery | 9 h light use | 7 h mixed use |
| Upgradeable | Nothing | RAM and SSD |
| Best for | Web, email and documents · A first machine for a student · Somewhere it might get stolen | Documents, browsing and video calls · A spare machine · Adding your own RAM and SSD later |
| Avoid if | You need Windows or macOS software · You edit photos or video | You want it to feel nice · You do anything sustained |
| Main drawback | ChromeOS auto-update expiry ends security patches on a fixed date | Plastic chassis flexes under the palm rest |
1 identical row hidden. They are the same for every product here, so they cannot help you choose.
What each score is based on
2 published sources between themAcer Chromebook Plus 515
Lenovo IdeaPad Slim 3i 15
Confidence is computed from those lists, not asserted: Acer Chromebook Plus 515 is medium on 1, Lenovo IdeaPad Slim 3i 15 is medium on 1. 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 — 399,00 € and 449,00 € — not a live quote. How we score products.