As far as drivers are concerned on Linux, Nvidia remains an excellent choice (while fully proprietary) and their hardware is still ahead in the mid-high range, at least until very recently. AMD is now very close to matching Nvidia also in the higher end, and at better price points.

Is AMD GPU good for Linux?

According to Boiling Steam, “If you own an Intel CPU, you are far, far more likely to have a[n] Nvidia GPU as well.” Meanwhile, “If you own an AMD CPU, there’s a good chance (50/50) you have an AMD GPU as well, and even more so if you use very specific [Linux] distros (Arch, Gentoo, Slack, KdeNeon, Fedora, Deepin, Void …

Is AMD better for Linux?

AMD is slightly better in terms of GPU compatibility with Linux compared to Nvidia, and their drivers are open source.