The Japanese company SONY will release an upgrade of PlayStation 4 named PS4 Neo,the vice website says that the details about this new game console probably will be revealed in "PlayStation" meeting taking place in The PlayStation Theatre, New York on September 7 at 3pm (8pm UK time).
The PS4 Neo is possibly offering enhanced graphics performance and 4K output.
image source:
http://www.dailystar.co.uk/tech/gaming/536874/PS4-Neo-release-date-specs-price-news-rumours-4K-VS-Project-Scorpio-Xbox-One-S