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AMD64

   Also found in: Acronyms, Wikipedia 0.04 sec.

AMD64

Refers to AMD's family of 64-bit CPUs, which includes the Opteron for servers and high-end workstations, the Athlon 64 and 64 FX for desktops and the Mobile Athlon 64 and Turion 64 for laptops.

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, Turion and AMD64 sockets.



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Unlike other dual-core systems, migrating to dual-core processing based on AMD64 technology can be seamless, thanks to a non-disruptive upgrade path.
In addition to the benefits of AMD64 technology with Direct Connect Architecture, the Mobile AMD Sempron[TM] Processor model 3500+ and the AMD Turion[TM] 64 X2 dual-core mobile technology model TL-52 provide:
"The AMD64 platform enables best-in-class performance, while allowing customers to seamlessly transition to powerful 64-bit applications as we move closer to the day when 32-bit-only systems will become obsolete," said Marty Seyer, corporate vice president and general manager of AMD's Microprocessor Business Unit.
 
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