Intel Pentium III Xeon CPU chart

The CPU chart in the table below includes information on all Pentium III Xeon processors. To find details of individual CPUs please click on the model or part number in the list.

The following features are the same for all Pentium III Xeon CPUs:

• Socket type: Slot 2
• Cores: 1
• Threads: 1

Part numbers	Launch date	Core name	Tech. (micron)	Freq. (MHz)	FSB (MHz)	L2 cache (KB)	TDP (Watt)	Core Voltage (V)
80525KY500512 BX80525KY500512	Mar 1999	Tanner	0.25	500	100	512	37	2
80525KY5001M BX80525KY5001M	Mar 1999	Tanner	0.25	500	100	1024	45	2
80525KY5002M BX80525KY5002M	Mar 1999	Tanner	0.25	500	100	2048	37.1	2
80525KY550512 BX80525KY550512	Aug 1999	Tanner	0.25	550	100	512	35	2
80525KY5501M BX80525KY5501M	Aug 1999	Tanner	0.25	550	100	1024	35	2
80525KY5502M BX80525KY5502M	Aug 1999	Tanner	0.25	550	100	2048	40.5	2
80526KZ600256 2.8V	Oct 1999	Cascades	0.18	600	133	256	18.8	2.8
80526KZ600256 5/12V BX80526KZ600256	Oct 1999	Cascades	0.18	600	133	256	19.2	5 / 12
80526KZ667256 2.8V	Oct 1999	Cascades	0.18	667	133	256	20.8	2.8
80526KZ667256 5/12V BX80526KZ667256	Oct 1999	Cascades	0.18	667	133	256	21.3	5 / 12
80526KY7001M 2.8V BX80526KY7001M	May 2000	Cascades	0.18	700	100	1024	28.9	2.8
80526KY7001M 5/12V	May 2000	Cascades	0.18	700	100	1024	29.6	5 / 12
80526KY7002M 2.8V BX80526KY7002M	May 2000	Cascades	0.18	700	100	2048	28.9	2.8
80526KY7002M 5/12V	May 2000	Cascades	0.18	700	100	2048	29.6	5 / 12
80526KZ733256 2.8V	Oct 1999	Cascades	0.18	733	133	256	22.8	2.8
80526KZ733256 5/12V BX80526KZ733256	Oct 1999	Cascades	0.18	733	133	256	23.3	5 / 12
80526KZ800256 2.8V	Jan 2000	Cascades	0.18	800	133	256	24.8	2.8
80526KZ800256 5/12V BX80526KZ800256	Jan 2000	Cascades	0.18	800	133	256	25.4	5 / 12
80526KZ866256 2.8V	Apr 2000	Cascades	0.18	866	133	256	26.8	2.8
80526KZ866256 5/12V BX80526KB866256 BX80526KZ866256	Apr 2000	Cascades	0.18	866	133	256	27.4	5 / 12
80526KY9002M 2.8V BX80526KY9002M	Mar 2001	Cascades	0.18	900	100	2048	35.5	2.8
80526KY9002M 5/12V	Mar 2001	Cascades	0.18	900	100	2048	36.3	5 / 12
80526KZ933256 2.8V	May 2000	Cascades	0.18	933	133	256	28.9	2.8
80526KZ933256 5/12V BX80526KB933256 BX80526KZ933256	May 2000	Cascades	0.18	933	133	256	29.6	5 / 12
80526KZ1000256 2.8V	Aug 2000	Cascades	0.18	1000	133	256	30.2	2.8
80526KZ1000256 5/12V BX80526KB001256	Aug 2000	Cascades	0.18	1000	133	256	30.8	5 / 12