With the announcement of DirectX 12 (and removing Kinect which spent valuable processor time) Microsoft hopes to provide enough power to run the most demanding games in 1080p resolution, a thing that PlayStation 4 can do as is. A completely fresh and almost unverified gossip from Twitter say that Sony's engineers are working hard to make the PS4 even more powerful console. Some leaks from the „insiders“, named Thuway and Tidux, reveals that Sony's internal team Ice largely succeeded in optimizing tools for PS4 which will in future allow more complex games, better graphics, or simply more frames per second.
This news could actually be confirmation of the slightly older rumor when Sony's developer Cort Stratton (responsible for the graphics subsystem) boasted a similar achievement.
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