I'm PS4 in HD and the screen is plasma

from Joe Budden (Ft. Crooked I, Joell Ortiz, Nino Bless & Royce Da 5'9") – Slaughterhouse Lyrics on Rap Genius

Meaning

Since this song was released before the inevitable Playstation 4 will be released, he’s comparing himself to the next up and coming BIG thing, while comparing the competition to something old and played out, like the Atari as said in the very next line.

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