The AMD Athlon 64 supports 64-bit addressing, while the AMD Athlon uses only 32-bit addressing. 64-bit addressing allows the processor to access more than 4 GB of RAM, which is increasingly important...
The AMD Athlon is a line of 32-bit microprocessors manufactured by AMD between 199 and 2005. The "Athlon" brand name is continued in other 32-bit and 64-bit processors, such as the Athlon XP, Athlon...