HTC has unveiled new smartphones that run on Windows Phone 8 OS. At a press conference in New York on Wednesday, the Taiwanese company showcased two of its latest models -- the Windows Phone 8X with a top-end 4.3 inch display, and the 4-inch Windows Phone 8S with slightly lower specifications.

Microsoft CEO Steve Ballmer (left) and HTC CEO Peter Chou display the HTC Windows Phone 8X and 8S during a launch event in New York on Wednesday.