Intel Pentium III processor comparison chart

The comparison chart in the table below contains details on all Pentium III microprocessors. For complete information about specific processors please click on the model or part number in the list. Be aware that in addition to production chips the CPU chart mentions sample microprocessors. If desired, you can compare processor specifications of up to 7 different processors side by side. To do this please select individual microprocessors from the list, and click on the "Compare selected" button at the bottom of the page.

The following features are the same for all Pentium III processors:

  • Cores: 1
  • Threads: 1

The processors in the table are sorted by: socket type, model number, frequency, FSB, L2 cache, date, core name and part numbers.  
  Model Part
numbers
Launch
date
Core
name
Tech.
(micron)
Socket
type
Freq.
(MHz)
FSB
(MHz)
L2
cache
(KB)
TDP
(Watt)
 RJ80530KZ001512 Tualatin0.13BGA4791000133512 
800MHz-SNK80530KZ800512
RJ80530KZ800512
 Tualatin0.13BGA479800133512 
933MHz-SNK80530KZ933512
RJ80530KZ933512
 Tualatin0.13BGA479933133512 
 DC1EC501A400 Katmai Slot 1400100512 
 80525PZ400512 Katmai0.25Slot 1400133512 
 80525PY450512
BX80525U450512
BX80525U450512E
Feb 1999Katmai0.25Slot 1450100512 
 80525PY500512
BX80525U500512
BX80525U500512E
Feb 1999Katmai0.25Slot 1500100512 
 80525PY550512
BX80525U550512
May 1999Katmai0.25Slot 1550100512 
 80525PY600512
BX80525U600512
Aug 1999Katmai0.25Slot 1600100512 
 80526PY650256
BX80526PY650256
BX80526U650256
Oct 1999Coppermine0.18Slot 1650100256 
 80526PZ667256
BX80526U667256
BX80526U667256E
KC80526PZ667256
Oct 1999Coppermine0.18Slot 1667133256 
 80526PY700256
BX80526U700256
BX80526U700256E
KC80526PY700256
Oct 1999Coppermine0.18Slot 1700100256 
 80526PZ733256
BX80526U733256
BX80526U733256E
KC80526PZ733256
Oct 1999Coppermine0.18Slot 1733133256 
 80526PY750256
BX80526U750256
BX80526U750256E
KC80526PY750256
Dec 1999Coppermine0.18Slot 1750100256 
 80526PY800256
BX80526H800256
BX80526H800256E
KC80526PY800256
Dec 1999Coppermine0.18Slot 1800100256 
 80526PY850256
BX80526U850256
BX80526U850256E
KC80526PY850256
Mar 2000Coppermine0.18Slot 1850100256 
 80526PZ866256
BX80526U866256
KC80526PZ866256
Mar 2000Coppermine0.18Slot 1866133256 
 80526PZ933256
BX80526U933256
May 2000Coppermine0.18Slot 1933133256 
 80526PY1000256
BX80526H1000256
Mar 2000Coppermine0.18Slot 11000100256 
1BGHz80526PZ1000256
BX80526PZ1000256
Mar 2000Coppermine0.18Slot 11000133256 
500E80526PY500256Oct 1999Coppermine0.18Slot 1500100256 
533B80525PZ533512
BX80525U533512
BX80525U533512E
Sep 1999Katmai0.25Slot 1533133512 
533EB80526PZ533256
BX80526U533256
Oct 1999Coppermine0.18Slot 1533133256 
550E80526PY550256
BX80526U550256
BX80526U550256E
Oct 1999Coppermine0.18Slot 1550100256 
600B80525PZ600512
BX80525H600512
BX80525H600512E
Sep 1999Katmai0.25Slot 1600133512 
600E80526PY600256
BX80526H600256
BX80526H600256E
BX80526PY600256
Oct 1999Coppermine0.18Slot 1600100256 
600EB80526PZ600256
BX80526U600256
BX80526U600256E
KC80526PZ600256
Oct 1999Coppermine0.18Slot 1600133256 
800EB80526PZ800256
BX80526U800256
BX80526U800256E
KC80526PZ800256
Dec 1999Coppermine0.18Slot 1800133256 
 BX80526F650256
BX80526F650256E
RB80526PY650256
Oct 1999Coppermine0.18Socket 37065010025617
 BX80526F667256
BX80526F667256E
RB80526PZ667256
Oct 1999Coppermine0.18Socket 37066713325617.5
 BX80526F700256
BX80526F700256E
RB80526PY700256
Oct 1999Coppermine0.18Socket 37070010025618.3 / 21.9
 BX80526F733256
BX80526F733256E
RB80526PZ733256
Oct 1999Coppermine0.18Socket 37073313325619.1 / 22.8
 BX80526F750256
BX80526F750256E
RB80526PY750256
Dec 1999Coppermine0.18Socket 37075010025619.5 / 23.2
 BX80526F800256E
RB80526PY800256
Dec 1999Coppermine0.18Socket 37080010025620.8 / 24.5
 RB80533PZ800256 Coppermine-T0.18Socket 37080013325638.2
 BX80526F850256
BX80526F850256E
RB80526PY850256
Mar 2000Coppermine0.18Socket 37085010025622.5 / 25.7
 RB80533PZ866256 Coppermine-T0.18Socket 370866133256 
 RK80533PZ866256 Coppermine-T0.18Socket 370866133256 
 BX80526C866256
BX80526C866256E
RB80526PZ866256
Mar 2000Coppermine0.18Socket 37086613325622.9 / 26.1
 RK80526PZ866256Mar 2000Coppermine0.18Socket 37086613325629.5
 RB80526PY900256 Coppermine0.18Socket 37090010025623.2 / 26.7
 RB80533PZ933256 Coppermine-T0.18Socket 370933133256 
 RK80533PZ933256 Coppermine-T0.18Socket 370933133256 
 BX80526C933256
BX80526C933256E
RB80526PZ933256
May 2000Coppermine0.18Socket 37093313325624.5 / 27.5
 RK80526PZ933256May 2000Coppermine0.18Socket 37093313325631.5
 BX80526F1000256
RB80526PY001256
Mar 2000Coppermine0.18Socket 370100010025629
 RK80533PZ001256 Coppermine-T0.18Socket 3701000133256 
 BX80530C1000256
RK80530PZ001256
 Tualatin0.13Socket 3701000133256 
 RK80530KZ001512 Tualatin0.13Socket 3701000133512 
 BX80526F1100256
RB80526PY005256
 Coppermine0.18Socket 370110010025633
 RK80526PZ006256 Coppermine0.18Socket 370113313325637.5
 BX80530C1133256
RK80530PZ006256
 Tualatin0.13Socket 3701133133256 
 RK80533PZ006256Jul 2000Coppermine-T0.18Socket 370113313325629.1
 BX80530C1200256
RK80530PZ009256
 Tualatin0.13Socket 3701200133256 
 RK80530PZ014256
RK80530PZ01425E
 Tualatin0.13Socket 3701333133256 
 RK80530PZ017256
RK80530PZ01725E
 Tualatin0.13Socket 3701400133256 
1.13GHz-SBX80530C1133512
RK80530KZ006512
RK80530KZ00651E
 Tualatin0.13Socket 3701133133512 
1.26GHz-SBX80530C1266512
RK80530KZ012512
RK80530KZ01251E
 Tualatin0.13Socket 3701267133512 
1.4GHz-SBX80530C1400512
RK80530KZ017512
RK80530KZ01751E
 Tualatin0.13Socket 3701400133512 
1BGHzBX80526C1000256
RB80526PZ001256
Mar 2000Coppermine0.18Socket 370100013325626.1 / 29 / 29.6
1BGHzBX80526C1000256
RK80526PZ001256
Mar 2000Coppermine0.18Socket 370100013325633.9
500EBX80526F500256
BX80526F500256E
RB80526PY500256
Oct 1999Coppermine0.18Socket 37050010025613.2
533EBBX80526F533256E
RB80526PZ533256
Oct 1999Coppermine0.18Socket 37053313325614
550EBX80526F550256
BX80526F550256E
RB80526PY550256
Oct 1999Coppermine0.18Socket 37055010025614.5
600EBX80526F600256
BX80526F600256E
RB80526PY600256
Oct 1999Coppermine0.18Socket 37060010025615.8 / 19.6
600EBBX80526C600256
BX80526C600256E
RB80526PZ600256
Oct 1999Coppermine0.18Socket 37060013325615.8
800EBBX80526C800256E
RB80526PZ800256
Dec 1999Coppermine0.18Socket 37080013325620.8 / 24.5

Note:
Engineering samples are marked with this color
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