"PS4 has a distinct advantage with faster 8GB GDDR5 memory, while Xbox One went with the slower bandwidth of the 8GB DDR3 variety. But, wait, there's more to it.
Neither system allocates all of that RAM to game developers - some is reserved to run their operating systems.
PS4 reserves up to 3.5GB for its operating system, leaving developers with 4.5GB, according to documentation. They can sometimes access an extra 1GB of "flexible" memory when it's available, but that's not guaranteed."
Source:
http://www.techradar.com/news/gaming/consoles/ps4-vs-xbox-720-which-is-better-1127315/2
Personally, I always thought that all 8GB was available to developers, minus whatever the OS is using, of course. I was shocked to learn that 3.5GB is reserved for the OS. It just sound like an awful lot of RAM, but I'm not a PS developer. Regardless, I agree with you
@NixxxoN, I'm sure PD will do amazing things with the resources available from the PS4 platform. They've stretched the PS3 about as thin as it gets. Hopefully GT7 knocks our socks off. If it doesn't, I probably won't be purchasing a PS4 because I don't play any other games. The PS3 will be fine for media purposes if I don't decide to purchase GT7.
EDIT: Oh, I would also need a new steering wheel as my DFGT will not be compatible with the PS4.
It will probably cost me close to $900 just to be able to play GT7 which is why I say GT7 better be out of this world if I'm going to spend that much money just to play one game.