64-bit Quad-Core with: 64-bit with great performance, with enhanced performance per watt, and improved virtualisation.
The new chip has better a floating point architecture, a new memory optimiser to help with memory throughput on multi cores, hugely improved power management, and a smarter cache, and more.
More here : AMD Multi Core
ZDNetAsia: AMD unveils Barcelona chip
CRN: AMD launches Quad-Core
BetaNews: Quad-Core
BetaNews: AMD new power metric
AnandTech Quad Benchmarks
