I thought the One uses 9 jB of slower memory. 3 jigabytes times 3 operating systems. When game is loaded, say for instance titanfall, it has 6 for the gaem since the only OS needed is the main one.
Plus, again, less memory on ps4 will mean two discs. Similar to how 360 works because it has less memory than ps3.
Just want to take a second to admit that you got me. I'm pretty impressed and a little embarrassed.