The Droid Razr M, which has a smaller phone with a big display, also has a long battery life, although not as long as the Droid Razr HD.
"If you want the best Android device possible, you should be looking at a Motorola device," Dennis Woodside, Google's senior vice president, said at the event.
Motorola announced their new smartphones just hours after Nokia and Microsoft unveiled the new Nokia Lumia smartphones.
Apple is expected to launch its latest iPhone at a press event next week.
Motorola's new smartphone is the most high-profile product launch since the company was acquired by Google last year for $12.5 billion.