Dell Vostro 3400 is €80 cheaper today, 31% below the other.
Over the 29 days of the last 90 both were for sale, the Dell Vostro 3400 was the cheaper one on 29 of 29 days, by €77 to €100, a gap wide enough to decide on by itself.
All three differ: Linux support, RAM and the screen.
Price history: the lowest price we saw each week
- Dell Vostro 3400€169 now
- Lenovo IdeaPad 1 15IAU7€246 now
Week of 5 October 2026
- Dell Vostro 3400Online Used Laptops
- €169
- Lenovo IdeaPad 1 15IAU7Online Used Laptops
- €246
Every week, as a table
| Week | Dell Vostro 3400 | Lenovo IdeaPad 1 15IAU7 |
|---|---|---|
| 24 August 2026 | €399 | |
| 31 August 2026 | €399 | |
| 7 September 2026 | €159 | €259 |
| 14 September 2026 | €159 | €246 |
| 21 September 2026 | €169 | €246 |
| 28 September 2026 | €169 | €246 |
| 5 October 2026 | €169 | €246 |
What differs between them
No shop states these. We looked them up ourselves, and we say when.
| Fact | Dell Vostro 3400 | Lenovo IdeaPad 1 15IAU7 |
|---|---|---|
| Linux support | Linux runs on this laptop. “Dell Vostro 3400 certified with Ubuntu 20.04 LTS”ubuntu.com, checked 7 September 2026. | Linux runs on this laptop, with something not working. “Some features may not be supported on the system with Linux preload, including but not limited to Intel RST RAID, MIPI computer vision camera, WWAN, Human Presence Detection, etc.”psref.lenovo.com, checked 12 September 2026. |
| Soldered RAM | The RAM can be upgraded. “The DDR4 memory is imbedded in board and not a replaceable DIMM as shown and referred.”usersmanualguide.com, checked 7 September 2026. | The RAM is soldered and cannot be upgraded. “One memory soldered to systemboard, one DDR4 SO-DIMM slot, dual-channel capable”psref.lenovo.com, checked 12 September 2026. |
| Screen quality | Reviewers rate this screen well. “It has really good viewing angles and has good contrast too.”brighthub.com, checked 7 September 2026. | Reviewers rate this screen poorly. “TN display panel with average color accuracy”pcmena.com, checked 12 September 2026. |
Dell Vostro 3400 and Lenovo IdeaPad 1 15IAU7Dell Vostro 3400 and Lenovo IdeaPad 1 15IAU7 each have a page of their own.