What that means is that it'll show resolutions which are regarding 4 times those of complete High definition from 1080p. Although there is no exact standard for 4K right now, resolutions tend to be around the 4096 pixels horizontal tag and 1714 - 3112 pixels high depending on the aspect percentage. To place which into perspective, a full HD display is 1920 x 1080 pixels. The 4K display can fit four of these displays into the exact same space and have a little bit of room in order to extra.
Even though games system will likely assistance 4K, it will certainly connect up to 1080p and we presume lower resolution TVs even though for those fortunate enough to possess a 4K TV at the time, you'll get to observe some stunning in-online game visuals higher than any other games system available at the moment.
Absolutely no launch date for the PlayStation 4 is famous but I do believe it isn't too much away now, as with one... possibly 2 years at most in a guess.