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drkohler said:
So much nonsense being written here and in other forums. The situation is like this:
On a PS4 developer unit, you have 8G of ram divided into (numbers heavily rounded):
1G os
1.5G debug software
1G debug scratchpad
4.5G game (or 5.5G if using the debug scratchpad)
On a PS4 end user unit, you have:
1G os
5.5G game
1.5G unclear space (now os scratchpad space?) as there very likely isn't any debug software loaded
So on a PS4 end user unit, the ram limit is >= 5.5G for the game

Wasn't every PS4 supposed to be a developer's unit?   Or was that the Xbone?

Either way, generally developer kits are supposed to have MORE Ram then system.

Otherwise the extra 1.5 ram isn't going to be used by the game anyway.  Not in a meanginful way anyway, unless you were programming it and testing it with choppy frame rates?