AMD K5

The K5 is AMD's first x86 processor to be developed entirely in-house. Introduced in March 1996, its primary competition was Intel's Pentium microprocessor. The K5 was an ambitious design, closer to a Pentium Pro than a Pentium regarding technical solutions and internal architecture. However, the final product was closer to the Pentium regarding performance, although faster clock-for-clock compared to the Pentium.

AMD K5
An AMD K5 PR166 microprocessor
General information
LaunchedMarch 27, 1996 (SSA/5)
October 7, 1996 (5k86)
Common manufacturer(s)
Performance
Max. CPU clock rate75 MHz to 133 MHz
FSB speeds50 MHz to 66 MHz
Cache
L1 cache8 KB + 16 KB
(data + instructions)
Architecture and classification
ApplicationDesktop, Embedded
MicroarchitectureK5
Instruction setIA-32/x86
Physical specifications
Transistors
  • 4.3M 500 nm
Cores
  • 1
Socket(s)
Products, models, variants
Model(s)
  • SSA/5 Series
  • 5k86 Series
History
Predecessor(s)Am5x86
Successor(s)K6
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