There are two critical factors for Photoshop:
One, the GPU. Dual graphics, very popular with laptops, is a problem waiting to happen. The reason is that Photoshop uses the GPU for actual data processing, and the result returned to Photoshop for further processing. There can only be one GPU in that equation. You can't send data to one and get it back from the other. It's not a simple downstream flow.
The GPU doesn't need to be super powerful, but it has to support advanced functions. A P2000, which I used myself for years, is now at the very end of its useful life. I replaced it with an RTX 3060, fairly mid-range, which works splendidly and probably will for many years.
Two, disk space. Usually underrated. Raster image editing moves huge amounts of data, much more than any RAM you may have installed. All that data has to go somewhere, and so Photoshop writes to disk. This is known as Photoshop's scratch disk. Note that this exceeds actual file sizes by several orders of magnitude. The scratch file contains all history states for all open documents, plus overhead.
For most normal work, you'll need somewhere between 200 - 500 GB free disk space at all times. For serious work on big files, make that 1 TB or more.
The rest isn't critical. 32 GB RAM is pretty much standard and will work well. Any i5 or i7 should basically work well - Photoshop is normally not CPU-limited (Lightroom, however, is, if you intend to use that). BUT - and this is just my personal impression from reading the forums - there seems to be disproportionately many performance problems reported from AMD Ryzen systems. I'd go for Intel just to be safe.
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