This update to the iPhone 7 Plus has a glass back with wireless charging, and a faster A11 processor. Other features are mostly similar, including dual main cameras, with one providing 2x zoom ...
iPhone 8 (left), iPhone X (middle), iPhone 8 Plus (right) The iPhone 8, 8 Plus and X were announced in September 2017 at the Steve Jobs Theater at Apple's headquarters in California, US.
and the iPhone 7 Plus and iPhone 8 Plus. There is also a Portrait Lighting feature in the iPhone X and 8 Plus and later that allows you to select one of five effects to ‘light’ your portrait.