DM235 on 30 March 2016
This rumor is totally unbelievable. There is no good that can come from it. All this would do is annoy their 40 million or so customers. The most bogus part of that rumour is that they would upgrade the CPU, when most games are GPU limited (so why would they waste time / money on something that would provide little value?).
What is most likely coming this year is a PS4 slim, which will support HDMI 2.0 and 4K TVs. This would let them support their own 4K streaming service, as well as 4K Netflix. Games will not be affected.
If Sony waits until next year, then it is quite possible that they would include a 4K Bluray player, but I think that is a feature reserved for the PS5, which is due in 2018 / 2019.
