Precisely the same. Google’s SDTT will Show just one entry exhibiting Homes from all objects with a similar URI. So judging from the output in SDTT, Google appears to address these two scenarios Similarly: We've quite usually set up ids to resolve copy entities, and it has improved rich snippets. https://www.presta-addons-modules.com/en/seo/prestashop-seo-automatic-google-rich-snippets-json-ld-opengraph-twitter-tags-schemaorg.html