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The PS1 used CD format; the PS2 used DVD format; the PS3 used Blu-ray format

The PS1 had stereo sound; the PS2 had Dolby Digital 5.1 sound; the PS3 had lossless 7.1 channel sound

The PS1 had low resolution TV display; the PS2 had SDTV display; the PS3 had HDTV display

The PS1 had no harddrive; the PS2 had optional harddrive; the PS3 had mandatory harddrive

The PS1 had no internet connection; the PS2 had optional wired (10/100Base-T) internet connection; the PS3 had internet connection built-in (wired 1000BASE-T and wireless 802.11b/g)

The PS1 and PS2 had vibrating wired controllers; the PS3 had wireless, vibrating, motion-sensing controllers

The above information taken from predictions on the PS4 from The Future PS3 Secrets see related link if you want to see what forecasted changes are in store for the Playstation next model

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13y ago

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