Lenovo ThinkBook 15 Gen 4 has no offer that ships to you today, so there is no gap to state.
Price history: the lowest price we saw each week
We have not watched Lenovo ThinkBook 15 Gen 4 and Lenovo ThinkBook 15 G3 ACL for long enough to draw their price lines yet. We record every price change we see, so this graph grows week by week.
What differs between them
No shop states these. We looked them up ourselves, and we say when.
| Fact | Lenovo ThinkBook 15 Gen 4 | Lenovo ThinkBook 15 G3 ACL |
|---|---|---|
| Linux support | 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 9 September 2026. | Linux runs on this laptop, with something not working. “Edit: Update, I returned the Thinkbook because it had a fan issue on Linux. The issue was that the fan was controlled by the BIOS, not the OS, so it would kick in too frequently and was too loud.”aarronlee.com, checked 21 September 2026. |
| Soldered RAM | The RAM is soldered and cannot be upgraded. “This machine comes with 8GB of DDR4 RAM soldered to the motherboard. You can further expand it by up to 32GB via the single SODIMM slot.”laptopmedia.com, checked 9 September 2026. | The RAM is soldered and cannot be upgraded. “Permanently soldered-on RAM”notebookcheck.net, checked 21 September 2026. |
| Screen quality | Reviewers rate this screen well. “Lenovo ThinkBook 15 Gen 4’s IPS panel has a Full HD resolution, comfortable viewing angles, and a good contrast ratio.”laptopmedia.com, checked 9 September 2026. | Reviewers rate this screen poorly. “There's room for improvement when it comes to the screen (15.6-inch, FHD, IPS). Brightness, contrast, and color space coverage are all too low - screen quality is not much better in some of the competitor laptops, however.”notebookcheck.net, checked 21 September 2026. |
Lenovo ThinkBook 15 Gen 4 and Lenovo ThinkBook 15 G3 ACLLenovo ThinkBook 15 Gen 4 and Lenovo ThinkBook 15 G3 ACL each have a page of their own.