AMD ATHLON64 X2 4800 AMD Athlon64 X2 4800 was the fastest Socket 939 CPU AMD released featuring 2.4Ghz of Processing Power, 2 x 1MB of L2 Cache and advanced Dual Core Technology. This is a review of the AMD Athlon64 X2 4800 Toledo Processor compared to the AMD Athlon64 4000 San Diego. How much better is Dual Core Technology compared to Single Core? We will be testing both the AMD Athlon64 X2 4800 and AMD Athlon64 4000 using real games and synthetic benchmarks to test the CPUS fully."