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The PlayStation 4 will ship with a massive 8 GB of GDDR5 memory, which is a huge upgrade compared to the current generation consoles. However, according to a PlayStation 4 developer PS4Daily spoke to, they have access to “only” 7 GB of RAM. The remaining 1 GB is reserved for the operating system and background tasks.


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Sony showcased a lot of PlayStation 4 features during the unveiling in February. This includes deep social features running in the background, new sharing options where players can watch each other play, and background downloading of games. All this chews up quite a bit of memory. Still, having access to 7 GB of super-fast GDDR5 memory is a lot better than the 512 MB in the PS3.


Sony originally shipped dev kits to third party developers with only 4 GB RAM, and You must login or register to view this content. from third party developers in order to keep it secret from Microsoft as well. Developers learned about the 8 GB of memory when the rest of the world did — during the February unveiling.


In addition to 8 GB of RAM, the PlayStation 4 sports an 8 core CPU and a GPU with 18 compute units, both part of the same APU package You must login or register to view this content.. Sony worked close with developers to give them a console that’s tailored for games. Sony interviewed major game engine makers such as Epic (Unreal Engine 4), CryTek (CryEngine 3), and Id Software (Id Tech 5), asking them what they wanted out of next generation consoles. Overall, Sony You must login or register to view this content. to create a console that made it easy to create games.


When it comes to large operating systems taking up a lot of RAM, Sony isn’t alone. Nintendo did something similar with the Wii U. The Wii U ships with 2 GB or RAM, but half of it — 1 GB — is allocated to the operating system itself. As console makers add more and more features, they need more and more memory to run those features. Microsoft is even rumored to include advanced DVR functionality in the upcoming Xbox 720, which will no doubt require copious amounts of RAM.


Sony is expected to reveal more PlayStation 4 details at E3 in June. We’re also hearing that this is when some of the NDAs will be lifted, where developers will be more free to talk about the specifics of the new console.

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i'm dumb? millz said the same thing when we were talking about it :dumb:

Actually DDR4 does not exist as of now. The standards have not been fully created yet (although it will have higher frequencies and lower voltage required) so you are not able to purchase it, let alone use it in any computers as of now. The change from DDR2 to DDR3 was not that big and did not require large changes to the motherboards and the chipsets, however this is extremely unlikely for DDR4, it will be a massive change with such a high increase in bandwidth as the rumors suggest. In fact, don't expect to be seeing a DDR4 standard for some time considering that reports are only noting that Haswell-E will be able to support it (You must login or register to view this content.). And no you'd be foolish to think DDR4 would be that expensive to make when DDR3 is actually so cheap and easy to make, the profit margins are so thin (especially with all the RAM manufacturer competition).