Sony has begun using a 40nm RSX GPU in place of the previous 65nm chip on its PlayStation 3, reportedly allowing the company to finally turn a buck. When the console first launched in 2006, Sony was losing between Based on the site's numbers, the latest PS3 model (CECH-2100A) decreases power usage levels by around 15% over the 120GB PS3 Slim -- both offer dramatic improvements over the original 60GB PS3. Given its lower thermal envelope, power and cooling apparatus can be scaled down. CECH-2100A's power supply and cooling unit weigh around 167g less than the Slim's.