Multiple sources report Sony is working on an upgrade on the PlayStation 4-- a "PlayStation 4.5" or "PlayStation 4K", if you will, able to handle higher resolution graphics required for immersive virtual reality experiences.
The news was first broken by Kotaku and Eurogamer, before further corroboration by the Wall Street Journal. All stories bear the same gist. The new PlayStation is not a wholly new console (thus the "4.5/4K" numbering), but a a GPU upgrade allows 4K resolution games and enhanced PlayStation VR headset support.
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