Lenovo ThinkPad X1 Carbon Gen 7 対 Dell XPS 7590

“Warning There are reports that enrolling custom Secure Boot keys may brick this machine because of firmware bugs.”wiki.archlinux.org、6 September 2026に確認。

“As of early May 2021, the new kernel versions under 5.12.x are causing issues on the Precision 5540 variant of this model where the internal display goes black even before entering the tty.”wiki.archlinux.org、7 September 2026に確認。

“8GB soldered memory, not upgradable”psref.lenovo.com、6 September 2026に確認。

“The XPS 15 continues to be friendly to upgrades. To get inside, you’ll need to remove the perimeter Torx screws and two Phillips-head screws in the center. You can then gently remove the bottom panel and access two DIMM slots, an M.2, the battery, and a wireless module.”pcworld.com、7 September 2026に確認。

“Lenovo ThinkPad Carbon X1 7th Gen is fitted with a very high-quality IPS panel. It has great viewing angles and contrast ratio, wide color coverage (94% of sRGB) and doesn’t flicker at any brightness level.”laptopmedia.com、6 September 2026に確認。

“Its viewing angles are comfortable, contrast – high and maximum brightness – extremely high.”laptopmedia.com、7 September 2026に確認。