Which is better for travel?

The Zenbook A14. At 2.2 lb it is 1.3 lb lighter than the IdeaPad Slim 3x, and Asus rates it at up to 32 hours of battery versus the 2 hours listed for the Lenovo.

Which has the bigger screen?

The IdeaPad Slim 3x, at 15.3 inches. The Zenbook A14 is 14 inches. Both are 1920 x 1200 at 16:10.

Can I add storage later?

On the IdeaPad Slim 3x, yes. Lenovo lists a ready-to-expand M.2 SSD slot alongside the 512 GB drive. Asus does not state storage expansion for the Zenbook A14.

Is the IdeaPad Slim 3x worth $699.99?

That is its best new price at Amazon as of November 5, 2026. You get a 15.3-inch screen, 16 GB of RAM, a 512 GB SSD and an expandable slot. Compare it with the Zenbook A14's current price before deciding.

On rated battery life, the Zenbook A14, at up to 32 hours. The IdeaPad Slim 3x spec sheet lists 2 hours, though Lenovo's marketing claims all-day battery life from its 60Wh battery.

Do both have biometric login?

Yes. The IdeaPad Slim 3x has a fingerprint reader plus a webcam shutter. The Zenbook A14 uses facial recognition.

Lenovo IdeaPad Slim 3x vs Asus Zenbook A14 (UX3407QA)

The Zenbook A14 is the better buy for most people. It weighs 2.2 lb against 3.5 lb, has a 14-inch 16:10 screen, and Asus rates it at up to 32 hours of battery; the IdeaPad Slim 3x is a 15.3-inch Snapdragon X Copilot+ PC with a 60Wh battery and an expandable SSD slot. On price, the IdeaPad Slim 3x is $699.99 at Amazon as of November 5, 2026; no price was given for the Zenbook A14, so check its current store prices before deciding.

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