Compared to the very first PS3 model with 60GB HDD, the internalvolume as well as its thickness and weight are trimmed down to approximately two-thirds.
Thanks to a complete redesign of the internal architecture, the volume and weight of the new PS3 has been reduced by more than half compared to the very first PS3 model with a 60GB HDD, and by 20% and 25% respectively compared to the current PS3.