The touch-screen tablet comes with a 9.4 inch display and can provide online content like movies, music, video games, books, email and social networking.
Sony also showed off the S2, a smaller mobile device with two 5.5. inch screens that can be folded like a book.
Sony said the products will go on sale around September, but the company did not say how much the new devices will cost.
The Associated Press contributed to this report.
