What is Athlon-64?
Athlon-64 is a name for AMD's main line of 64-bit CPU's.
The Athlon-64 line is designed to complete against the Intel Pentium CPU's.
Athlon-64 processors are designed to execute 32-bit and 64-bit instructions simultaneously. This enables them to directly address more than 4GB of RAM.
Athlon-64 CPU's feature an L1 cache with 64KB of RAM for data and 64KB of RAM for instructions.
The 1024KB L2 cache in an Athlon-64 CPU operates at the full speed of the CPU.
These L1 and L2 cache numbers are per core. In a dual-core Athlon-64 CPU, these numbers would be doubled.
Athlon-64 CPU's include their own built-in memory controller, which reduces latency on memory access.
The HyperTransport bus of the Athlon-64 CPU supports a frequency of 800MHz or 1000Mhz.
Athlon-64 CPU's support MMX, Extended 3DNow!, Cool'n'Quiet,and SSE2. Some models of Athlon-64 CPU's also support SSE3.
Athlon-64 CPU's are designed to fit Socket-754, Socket-939 and Socket-940 CPU sockets.
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