This AMD Athlon 64 is based on the 90nm Winchester-core. One that AMD didn't produce for a long time. Only three models have been made on this core: 3000+, 3200+ and 3500+. It was superseded by the Venice-core in April 2005 which had improvements in the memory controller. The Venice-core was also known to overclock better than the Winchester core.

Winchester was AMD's first 90nm desktop CPU. Previous models were manufactured using a 130nm process. > Read more