The higher resolution is only worthwhile with high-resolution displays or if you work on a glass table. It is also worth it if you simply want the best possible performance from the product series.
I use the mouse primarily for working on FullHD screens, where 8000dpi is completely too much. On my iMac, however, the higher resolution makes more sense.

You can read the digitec experience report, it might help you: https://www.digitec.ch/de...