AMD K6-III (K6-3) CPU family

K6-III (sometimes called K6-3) microprocessor family is based on AMD K6-2 family and improves it by adding an integrated on-die 256 KB level 2 (L2) cache. K6-2 microprocessors utilize L2 cache located on a motherboard - this cache runs at bus frequency, i.e. at 100 MHz at most. Integrated L2 cache on K6-III processors is much faster as it runs at processor frequency. As an added bonus, the L2 cache located on a motherboard works for K6-III CPUs as L3 cache. In general, integrated L2 cache on K6-3 processors greatly improves their performance - by up to 20% and more.

There are a few variations of K6-III microprocessors that target different segments of computer market:

  • Mobile - K6-IIIP and K6-III+
  • Desktop - K6-III
  • Embedded - K6-IIIE+

All desktop and some mobile AMD K6-III processors are made on 0.25 micron technology. All embedded and mobile K6-III+ microprocessors are manufactured using 0.18 micron technology. The 0.18 micron processors have lower core voltage, run cooler than 0.25 micron CPUs, and usually overclock better.

Related Links
Architecture
Identification
Pinouts
Support chips
At a glance
Type:
32-bit microprocessor
Introduction:
1999
Frequency (MHz):
333 - 550
L2 cache size:
256 KB
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