The Galaxy A8 and Galaxy A8+ will have the same general hardware layout, but that layout will be fairly impressive for a high-end mid-ranger.
The specs are the same as before, but the names may strike closer to the Galaxy S-series' number. It'll be interesting to see the spin on this.
Nothing's certain until it's certain, but the Galaxy A7 (2018) and A5 (2018) are very likely to be Samsung's first "Infinity Display" mid-rangers.
It's practically etched in stone now that the mid-range Samsung Galaxy A5 (2018) will sport an 18.5:9 screen, which suggests razor-thin bezels.
Samsung is gearing up to redefine the smartphone market's mid-range standards again, with a Galaxy A7 (2018) seemingly packing 6GB RAM.
The "Infinity Displays" of the upcoming Samsung Galaxy A5 (2018) and A7 (2018) look impressive for mid-rangers, albeit not as great as the S8 or Note 8.