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AMD64

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AMD64
The branding of AMD's 64-bit CPUs. AMD was first to add 64-bit capability to the x86 architecture, and in 2003, it introduced the Opteron, the first AMD64 CPU chip for servers and high-end workstations. Subsequent AMD64 lines include the Athlon and Phenom models for desktop computers and the low-power Turion line for laptops. Following AMD, Intel later added its own 64-bit architecture to the x86 family (see x64).

Direct Connect Architecture
The AMD64 design, known as the Direct Connect Architecture (DCA), includes a set of 64-bit instructions as well as 64-bit registers that allows the CPU to address more than 4GB of memory, which is the limit of 32-bit registers. It also added a DDR memory controller directly on the CPU chip for increased performance. See Opteron, Athlon, Sempron, Turion and AMD64 sockets.


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com Additional low-power AMD64 processors have been added to the Longevity program for high-end embedded solutions from AMD (NYSE:AMD), a designer and producer of microprocessors, Flash memory devices and low-power processor solutions.
AMD's key OEM customers, including Sun, HP and IBM, showcased ground-breaking, dual-core platforms based on the non-disruptive AMD64 technology, the world's leading x86, 64-bit computing environment.
As a reflection of Wolfram Research's rigorous software engineering standards, Mathematica 5 is among the first technical computing platforms specifically optimized for the AMD64 architecture.
 
 
 
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