While most of them are on par with Samsung's other top of the line HDTVs this year (quad core CPU, five panel Smart Hub and apps, recommendations, gesture control etc.), it's differentiating itself with a display based on self-emitting RGB sub-pixels which it claims makes for absolute blacks, pure whites and prevents colors from being washed out or distorted.
ENGADGET: Samsung unveils 55-inch OLED HDTV, really is planning to release it this year