Although the Galaxy S line of smartphones has been a massive commercial success, Samsung’s various tablets have never really caught on in the same way. That might be changing: Samsung plans to announce its new flagship tablet at an event in New York on Thursday. The Galaxy Tab S comes in two new models, both of which are skinny high-end tablets meant to compete directly with Apple’s(s appl) iPad Air and iPad Mini with retina display in terms of price and features.

One of the Galaxy Tab S models comes with a portrait-oriented 8.4-inch screen and the other uses a larger, landscape-oriented 10.5-inch version. The small Galaxy Tab S is $400 and the bigger one costs $500. Aside from the screen size, button orientation, and price, the two devices are identical: Both are powered by a Samsung-designed Exynos 5 Octa octo-core chip, pack 16GB of built-in storage with a microSD expansion slot, and have 3GB of RAM. Both Tab…