The Xperia 5 II will be available to pre-order in some countries from September 29, Sony has confirmed. The Xperia 5 II is significantly cheaper than the Xperia 1 II, but it is several hundred dollars more expensive than the Xperia 5.
https://www.notebookcheck.net/Xperia-5-II-Sony-s-new-flagship-is-over-18-more-expensive-than-its-predecessor.494557.0.html