VGleaks, dubbed the WikiLeaks of the gaming industry, claims to have seen the 'roadmap' for Sony's new console, which is said to have entered development in June 2011.
> PlayStation 4, new Xbox 'to cost $400/£250', says analyst report
The PS4 is believed to be in the works under the code name of 'Orbis' and is rumoured to be powered by a quad-core AMD APU Solution processor with an AMD 8000 series GPU and between 2 and 4GB of GDDR5.
Other reports claim it will be capable of displaying games in 4K resolution, support Blu-ray and ship at an "affordable" price.
Microsoft has also been tipped to unveil new console hardware this year, with a follow-up to the Xbox 360 said to be in the works under the code name of either 'Thebes' or 'Durango'.
Previous reports suggest that the next-generation Xbox will include two CPUs, one for gaming and another for multimedia applications, as well as Kinect 2.0, 3D technology and the long-rumoured Xbox TV.
Sony and Microsoft are yet to officially confirm any specific details of their future consoles.
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