[Q] Memory: 6Gb RAM (LPDDR) on Samsung S Duos 2 ? topic

According to some Websites, which show specs of the device Samsung GALAXY S Duos 2 (i have one),
It has Enhanced RAM Memory: 6Gb RAM (LPDDR):confused::confused:, Now i want to know what's that and if it really exists in my device (SG S Duos 2) The how can i get 3Gb of RAM ?:confused::fingers-crossed:.