quote: Quad core Phenom is nothing but a Barcelona in a different socket
quote: What you describe is the difference between sockets AM2 and AM2+.
quote: Its a chipset thing, not the CPU
quote: Barcelona, Kuma and Agena all share those features
quote: 1. Is this a limitation of a core or a socket?
quote: 2. Split power planes are function of a new socket, Phenom in AM2 socket will not support split power planes
quote: 3. Doesn't make any difference from the hardware point of view