Which is better for college work?

The IdeaPad Slim 3 (2024). Its Ryzen 7, 16 GB RAM and 512 GB SSD handle many browser tabs, documents and light editing that the 8 GB/128 GB Slim 3i would struggle with.

Is the Slim 3i worth saving $70?

Only if you mostly browse and stream. The savings buy a slower CPU, half the RAM and a quarter of the storage, and neither RAM nor storage is easy to upgrade.

Which has better battery life?

The Slim 3i on paper, rated 8 hours versus 2 hours for the Slim 3 (2024). The 2-hour figure is unusually low, so check real-world reports before relying on either number.

Which screen is better?

The Slim 3 (2024). Its IPS panel at 300 nits has wider viewing angles and more brightness than the Slim 3i's TN panel at 250 nits.

The Slim 3 (2024) should stay usable longer because of its 16 GB RAM and 512 GB SSD. The Slim 3i's 8 GB RAM and 128 GB SSD will feel tight sooner.

Do both have a fingerprint reader and touchscreen?

Yes. Both listings show a touchscreen and fingerprint scan, plus Windows 11 and a backlit keyboard on the Slim 3 (2024).

Lenovo IdeaPad Slim 3 (2024) vs Lenovo IdeaPad Slim 3i 15.6"

The IdeaPad Slim 3 (2024) with the Ryzen 7 is the better machine for most people who want to keep a laptop for years: 16 GB RAM, a 512 GB SSD, an IPS 300-nit screen and a stronger 8-core CPU. The IdeaPad Slim 3i is $70 cheaper at $299 at eBay versus $369 at Amazon as of November 7, 2026, but its 8 GB RAM and 128 GB SSD leave little room. Buy the Slim 3i only if the lowest price matters most and you mostly browse and stream.

Today the Lenovo IdeaPad Slim 3i 15.6" costs $70.00 less at its best price.

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