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AMD Athlon™ 64 Processor
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AMD Athlon™ 64 Processor
Key Architectural Features










The AMD64 core provides leading-edge performance for both 32-bit and 64-bit applications
  • AMD64 technology provides full-speed support for x86 code base without compromising performance
  • 40-bit physical addresses, 48-bit virtual addresses
  • Sixteen 64-bit integer registers
  • Sixteen 128-bit SSE/SSE2/SSE3 registers
  • AMD Digital Media XPress™ provides support for SSE, SSE2, SSE3 and MMX instructions
A high-bandwidth, low-latency integrated DDR memory controller
  • Supports PC-3200 (DDR-400), PC-2700 (DDR-333), PC-2100 (DDR-266) or PC-1600 (DDR-1600) SDRAM unbuffered DIMMs (socket 939); supports PC2-5300 (DDR2-667), PC2-4200 (DDR2-533) or PC2-3200 (DDR2-400) SDRAM unbuffered DIMMs (socket AM2)
  • Support for 64-bit DDR (socket 939) or DDR2 (socket AM2) SDRAM memory
  • Up to 6.4GB/s (socket 939) or 10.6GB/s (socket AM2) memory bandwidth
HyperTransport™ technology for high speed I/O communication
  • One 16-bit link up to 2000MHz bidirectional
  • Up to 8GB/s HyperTransport™ I/O bandwidth
  • Up to 14.4GB/s (socket 939) or 18.6GB/s (socket AM2) total delivered processor-to-system bandwidth (HyperTransport bus + memory bus)
Large high performance on-chip cache
  • 64KB Level 1 instruction cache
  • 64KB Level 1 data cache
  • Up to 1MB (socket 939) or 512KB (socket AM2) Level 2 cache

* Enhanced Virus Protection can be enabled by certain operating systems, including the current versions of Microsoft® Windows®, Linux®, Solaris™, and BSD Unix. After properly installing the appropriate operating system release, users must enable the protection of their applications and associated files from buffer overrun attacks. Consult your OS documentation for information on enabling EVP. Contact your application software vendor for information regarding use of the application in conjunction with EVP. AMD strongly recommends that users continue to include third- party antivirus software as part of their security strategy.

© 2006 Advanced Micro Devices, Inc. AMD, the AMD Arrow logo, AMD Athlon, 3DNow!, AMD Digital Media Xpress, Cool'n'Quiet, and combinations thereof, are trademarks of Advanced Micro Devices, Inc. HyperTransport is a licensed trademark of the HyperTransport Technology Consortium. Linux is a registered trademark of Linus Torvalds. Microsoft and Windows are registered trademarks of Microsoft Corporation in the U.S. and/or other jurisdictions. Other names are for informational purposes only and may be trademarks of their respective owners.



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