Intel Pentium III CPU chart

The chart below includes information on all Pentium III microprocessors. For detailed information about individual CPUs please click on the part number in the list.

The following characteristics are the same for all Intel Pentium III processors:

  • Cores: 1
  • Threads: 1

The processors in the table are sorted by: socket type, model number, frequency, FSB, L2 cache, core name and OEM part number.  

OEM part
number
Box part
number
Model Core
name
Tech.
(micron)
Socket
type
Freq.
(MHz)
FSB
(MHz)
L2
cache
(KB)
TDP
(Watt)
RJ80530KZ001512     Tualatin 0.13 BGA479 1000 133 512  
RJ80530KZ800512   800MHz-S Tualatin 0.13 BGA479 800 133 512  
RJ80530KZ933512   933MHz-S Tualatin 0.13 BGA479 933 133 512  
DC1EC501A400     Katmai   Slot 1 400 100 512  
80525PZ400512     Katmai 0.25 Slot 1 400 133 512  
80525PY450512 BX80525U450512
BX80525U450512E
  Katmai 0.25 Slot 1 450 100 512  
80525PY500512 BX80525U500512
BX80525U500512E
  Katmai 0.25 Slot 1 500 100 512  
80525PY550512 BX80525U550512   Katmai 0.25 Slot 1 550 100 512  
80525PY600512 BX80525U600512   Katmai 0.25 Slot 1 600 100 512  
80526PY650256 BX80526U650256
BX80526PY650256
  Coppermine 0.18 Slot 1 650 100 256  
80526PZ667256
KC80526PZ667256
BX80526U667256
BX80526U667256E
  Coppermine 0.18 Slot 1 667 133 256  
80526PY700256
KC80526PY700256
BX80526U700256
BX80526U700256E
  Coppermine 0.18 Slot 1 700 100 256  
80526PZ733256
KC80526PZ733256
BX80526U733256
BX80526U733256E
  Coppermine 0.18 Slot 1 733 133 256  
80526PY750256
KC80526PY750256
BX80526U750256
BX80526U750256E
  Coppermine 0.18 Slot 1 750 100 256  
80526PY800256
KC80526PY800256
BX80526H800256
BX80526H800256E
  Coppermine 0.18 Slot 1 800 100 256  
80526PY850256
KC80526PY850256
BX80526U850256
BX80526U850256E
  Coppermine 0.18 Slot 1 850 100 256  
80526PZ866256
KC80526PZ866256
BX80526U866256   Coppermine 0.18 Slot 1 866 133 256  
80526PZ933256 BX80526U933256   Coppermine 0.18 Slot 1 933 133 256  
80526PY1000256 BX80526H1000256   Coppermine 0.18 Slot 1 1000 100 256  
80526PZ1000256 BX80526PZ1000256 1BGHz Coppermine 0.18 Slot 1 1000 133 256  
80526PY500256   500E Coppermine 0.18 Slot 1 500 100 256  
80525PZ533512 BX80525U533512
BX80525U533512E
533B Katmai 0.25 Slot 1 533 133 512  
80526PZ533256 BX80526U533256 533EB Coppermine 0.18 Slot 1 533 133 256  
80526PY550256 BX80526U550256
BX80526U550256E
550E Coppermine 0.18 Slot 1 550 100 256  
80525PZ600512 BX80525H600512
BX80525H600512E
600B Katmai 0.25 Slot 1 600 133 512  
80526PY600256 BX80526PY600256
BX80526H600256
BX80526H600256E
600E Coppermine 0.18 Slot 1 600 100 256  
80526PZ600256
KC80526PZ600256
BX80526U600256
BX80526U600256E
600EB Coppermine 0.18 Slot 1 600 133 256  
80526PZ800256
KC80526PZ800256
BX80526U800256
BX80526U800256E
800EB Coppermine 0.18 Slot 1 800 133 256  
RB80526PY650256 BX80526F650256
BX80526F650256E
  Coppermine 0.18 Socket 370 650 100 256  
RB80526PZ667256 BX80526F667256
BX80526F667256E
  Coppermine 0.18 Socket 370 667 133 256  
RB80526PY700256 BX80526F700256
BX80526F700256E
  Coppermine 0.18 Socket 370 700 100 256  
RB80526PZ733256 BX80526F733256
BX80526F733256E
  Coppermine 0.18 Socket 370 733 133 256  
RB80526PY750256 BX80526F750256
BX80526F750256E
  Coppermine 0.18 Socket 370 750 100 256  
RB80526PY800256 BX80526F800256E   Coppermine 0.18 Socket 370 800 100 256  
RB80533PZ800256     Coppermine-T 0.18 Socket 370 800 133 256 38.2
RB80526PY850256 BX80526F850256
BX80526F850256E
  Coppermine 0.18 Socket 370 850 100 256  
RB80526PZ866256 BX80526C866256
BX80526C866256E
  Coppermine 0.18 Socket 370 866 133 256  
RK80526PZ866256     Coppermine 0.18 Socket 370 866 133 256  
RB80533PZ866256     Coppermine-T 0.18 Socket 370 866 133 256  
RK80533PZ866256     Coppermine-T 0.18 Socket 370 866 133 256  
RB80526PY900256     Coppermine 0.18 Socket 370 900 100 256  
RB80526PZ933256 BX80526C933256
BX80526C933256E
  Coppermine 0.18 Socket 370 933 133 256  
RK80526PZ933256     Coppermine 0.18 Socket 370 933 133 256  
RB80533PZ933256     Coppermine-T 0.18 Socket 370 933 133 256  
RK80533PZ933256     Coppermine-T 0.18 Socket 370 933 133 256  
RB80526PY001256 BX80526F1000256   Coppermine 0.18 Socket 370 1000 100 256  
RK80533PZ001256     Coppermine-T 0.18 Socket 370 1000 133 256  
RK80530PZ001256 BX80530C1000256   Tualatin 0.13 Socket 370 1000 133 256  
RK80530KZ001512     Tualatin 0.13 Socket 370 1000 133 512  
RB80526PY005256 BX80526F1100256   Coppermine 0.18 Socket 370 1100 100 256  
RK80526PZ006256     Coppermine 0.18 Socket 370 1133 133 256  
RK80533PZ006256     Coppermine-T 0.18 Socket 370 1133 133 256 29.1
RK80530PZ006256 BX80530C1133256   Tualatin 0.13 Socket 370 1133 133 256  
RK80530PZ009256 BX80530C1200256   Tualatin 0.13 Socket 370 1200 133 256  
RK80530PZ014256
RK80530PZ01425E
    Tualatin 0.13 Socket 370 1333 133 256  
RK80530PZ017256
RK80530PZ01725E
    Tualatin 0.13 Socket 370 1400 133 256  
RK80530KZ006512
RK80530KZ00651E
BX80530C1133512 1.13GHz-S Tualatin 0.13 Socket 370 1133 133 512  
RK80530KZ012512
RK80530KZ01251E
BX80530C1266512 1.26GHz-S Tualatin 0.13 Socket 370 1267 133 512  
RK80530KZ017512
RK80530KZ01751E
BX80530C1400512 1.4GHz-S Tualatin 0.13 Socket 370 1400 133 512  
RB80526PZ001256 BX80526C1000256 1BGHz Coppermine 0.18 Socket 370 1000 133 256  
RK80526PZ001256 BX80526C1000256 1BGHz Coppermine 0.18 Socket 370 1000 133 256  
RB80526PY500256 BX80526F500256
BX80526F500256E
500E Coppermine 0.18 Socket 370 500 100 256  
RB80526PZ533256 BX80526F533256E 533EB Coppermine 0.18 Socket 370 533 133 256  
RB80526PY550256 BX80526F550256
BX80526F550256E
550E Coppermine 0.18 Socket 370 550 100 256  
RB80526PY600256 BX80526F600256
BX80526F600256E
600E Coppermine 0.18 Socket 370 600 100 256  
RB80526PZ600256 BX80526C600256
BX80526C600256E
600EB Coppermine 0.18 Socket 370 600 133 256  
RB80526PZ800256 BX80526C800256E 800EB Coppermine 0.18 Socket 370 800 133 256  

Note:
Processors, that never went into production, are marked with this color
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