 AMD K8 Architecture | |
| General information | |
|---|---|
| Launched | late 2003 |
| Discontinued | April 2014 |
| Common manufacturer | |
| Performance | |
| Max.CPUclock rate | 1600 MHz to 3200 MHz |
| FSB speeds | 800 MHz to 1000 MHz |
| Architecture and classification | |
| Technology node | 130 nm to 65 nm |
| Instruction set | AMD64 (x86-64) |
| Physical specifications | |
| Sockets | |
| Products, models, variants | |
| Core names | |
| History | |
| Predecessor | K7 - Athlon |
| Successor | Family 10h (K10) |
TheAMD K8 Hammer, alsocode-named SledgeHammer, is acomputer processormicroarchitecture designed byAMD as the successor to theAMD K7 Athlon microarchitecture. The K8 was the first implementation of theAMD6464-bit extension to thex86instruction set architecture.[1][2]
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Processors based on the K8 core include:
The K8 core is very similar to the K7. The most radical change is the integration of the AMD64 instructions and an on-chip memory controller. The memory controller drastically reduces memory latency and is largely responsible for most of the performance gains from K7 to K8.
It is perceived by the PC community that after the use of thecodenameK8 for theAthlon 64 processor family, AMD no longer uses K-nomenclatures (which originally stood forKryptonite[3]) since no K-nomenclature naming convention beyondK8 has appeared in official AMD documents and press releases after the beginning of 2005. AMD now refers to the codenameK8 processors as theFamily 0Fh processors. 10h and 0Fh refer to the main result of theCPUIDx86 processor instruction. Inhexadecimal numbering, 0F(h) (where theh represents hexadecimal numbering) equals thedecimal number 15, and 10(h) equals the decimal number 16. (The "K10h" form that sometimes pops up is an improper hybrid of the "K" code andFamily identifier number.)
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