The PlayStation 4 is a console for video games.
The PlayStation 3 ( PS3 ) is a home video game console developed by Sony Interactive Entertainment . PlayStation 4 . Announced as the successor to the PlayStation 3 during a press conference on February 20 , 2013 , it was launched on November 15 in North America , November 29 in Europe , South America and Australia ; and February 22 , 2014 , in Japan . It competes with Nintendo 's Wii U and Microsoft 's Xbox One , as part of the eighth generation of video game consoles .