The new Radeon 600 series is practically a rebranded Radeon 500 lineup that, unfortunately does not feature any 7 nm models. Instead, AMD has "refreshed" two 14 nm and three 28 nm GPU models aimed at the entry-level desktop and laptop market, just in time for the arrival of Intel's Gen 10 mobility CPUs.
https://www.notebookcheck.net/AMD-launches-low-end-Radeon-600-GPU-series-for-laptops-but-it-s-only-a-rebranded-old-Radeon-500-lineup.430310.0.html