GPU, which to choice?

These are all extremely high end graphics cards, per these benchmark scores.

https://www.videocardbenchmark.net/high_end_gpus.html

Though Premiere Elements doesn't get a huge boost from graphics power. So any one will be a good investment. Assuming you've got a good processor and RAM load.

I don't use a laptop so can't give a direct answer

Laptop ideas https://www.laptopmag.com/articles/best-laptops-for-video-editing

Do be sure to use the STUDIO driver, not the gaming driver

nVidia Driver Downloads https://www.nvidia.com/Download/index.aspx?lang=en-us
-for all Adobe programs use the STUDIO driver, not the GAMING driver
-To achieve the highest level of reliability, Studio Drivers undergo extensive
-testing against multi-app creator workflows and multiple revisions of the top
-creative applications from Adobe to Autodesk and beyond