The new Ruby and Topaz mini PC lineups are practically indistinguishable on the outside, as they both feature the proprietary Universal Chassis. As far as specs go, the Ruby systems can be equipped with up to a Ryzen 7 4800U APU, while the Topaz models can be powered by up to an i7-1165G7 CPU. Both lineups support up to 64 GB of RAM and up to 10 TB of SSD storage.
https://www.notebookcheck.net/Simply-NUC-launches-Ruby-and-Topaz-mini-PCs-powered-by-AMD-Ryzen-4000U-and-Intel-Tiger-Lake-processors-respectively.508727.0.html