No, the Exynos 9610 is technically not an ultra-high-end new mobile processor, but it does include plenty of "premium" features and capabilities.
While B&H Photo Video makes it crystal clear its Samsung Galaxy A8 (2018) and A8+ (2018) stock is "international", Best Buy only lists the two new phones as compatible with US GSM carriers.
New codenames reveal a few devices we should expect from Samsung in 2018, from tablets to smartphones. That includes upper mid-rangers of Asia.
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.