PS4 is only a more powerfull PS3: Microsoft Danish PR Guy

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both consoles are like their predeccesors which are like THEIR predeccesors, etc. the PS4 is a beefed up PS3 which is a beefed up PS2 which is a beefed up PSX which is arguably a beefed up SNES. XboxOne is a beefed up 360 which is a beefed up OrgXbox.