List of Intel Pentium III microprocessors

The Pentium III from Intel is a sixth-generation CPU targeted at the consumer market.

Desktop processors

"Katmai"">Katmai (microprocessor)">"Katmai" (250 nm)

9.5 million transistors
All models support: MMX, SSE
The 'B' suffix denotes a 133 MHz FSB
The '80525PYxxx512' number denotes an OEM CPU while the 'BX80525xxxx512' or 'BX80525xxxx512E' number denotes a boxed CPU
The L2 cache is off-die and runs at 50% CPU speed.
"Coppermine"">Coppermine (microprocessor)">"Coppermine" (180 nm)
28 million transistors
All models support: MMX, SSE
The 'B' suffix denotes a 133 MHz FSB
The 'E' suffix denotes a processor with support for Intel's Advanced Transfer Cache
The L2 cache runs at 100% cpu speed

Model Number	sSpec Number	Frequency	L2 Cache	FSB	Mult	Voltage	TDP	Socket	Release Date	Part Number	Release Price
	SL3R2, SL446, SL45R, SL3Q9	500 MHz	256 KB	100 MHz	5×	1.6 V	13.2 W	Socket 370	October 25, 1999	RB80526PY500256	$239
	SL3US	500 MHz	256 KB	100 MHz	5×	1.6 V	13.2 W	Slot 1	October 25, 1999	80526PY500256	$239
	SL3VA, SL3VF, SL45S, SL3SX	533 MHz	256 KB	133 MHz	4×	1.65 V	14 W	Socket 370	October 25, 1999	RB80526PZ533256	$305
	SL3N6, SL3SX, SL3XG, SL44W	533 MHz	256 KB	133 MHz	4×	1.65 V	14 W	Slot 1	October 25, 1999	80526PZ533256	$305
	SL3R3, SL44G, SL45T, SL3QA	550 MHz	256 KB	100 MHz	5.5×	1.6–1.7 V	14.5 W	Socket 370	October 25, 1999	RB80526PY550256	$368
	SL3V5, SL44X	550 MHz	256 KB	100 MHz	5.5×	1.6–1.7 V	14.5 W	Slot 1	October 25, 1999	80526PY550256	$368
	SL3NL, SL45U, SL5BT, SL3VH, SL3XU, SL4CM	600 MHz	256 KB	100 MHz	6×	1.7–1.75 V	19.5 W	Socket 370	October 25, 1999	RB80526PY600256	$455
	SL3H6, SL4C7, SL3NA, SL44Y, SL43E	600 MHz	256 KB	100 MHz	6×	1.7–1.75 V	19.5 W	Slot 1	October 25, 1999	80526PY600256	$455
	SL3VB, SL45V, SL3XT, SL4CL, SL3VG	600 MHz	256 KB	133 MHz	4.5×	1.65–1.7 V	15.8 W	Socket 370	October 25, 1999	RB80526PZ600256	$455
	SL3H7, SL3NB, SL3XJ, SL44Z, SL4C6	600 MHz	256 KB	133 MHz	4.5×	1.65–1.7 V	15.8 W	Slot 1	October 25, 1999	80526PZ600256	$455
	SL3NM, SL3XV, SL45W, SL3VJ, SL4CK	650 MHz	256 KB	100 MHz	6.5×	1.65–1.7 V	17 W	Socket 370	October 25, 1999	RB80526PY650256	$583
	SL3KV, SL4C5, SL3XK, SL3NR, SL452	650 MHz	256 KB	100 MHz	6.5×	1.65–1.7 V	17 W	Slot 1	October 25, 1999	80526PY650256	$583
	SL3T2, SL3XW, SL45X, SL3VK, SL4CJ	666 MHz	256 KB	133 MHz	5×	1.65–1.7 V	17.5 W	Socket 370	October 25, 1999	RB80526PZ667256	$605
	SL3KW, SL3ND, SL3XL, SL453, SL4G6, SL4C4	666 MHz	256 KB	133 MHz	5×	1.65–1.7 V	17.5 W	Slot 1	October 25, 1999	80526PZ667256	$605
	SL3T3, SL45Y, SL4M7, SL3VL, SL3XX, SL4CH, SL4ZM	700 MHz	256 KB	100 MHz	7×	1.65–1.7 V	18.3 W	Socket 370	October 25, 1999	RB80526PY700256	$754
	SL3SY, SL3XM, SL454, SL3S9, SL4C3	700 MHz	256 KB	100 MHz	7×	1.65–1.7 V	18.3 W	Slot 1	October 25, 1999	80526PY700256	$754
	SL3T4, SL3XY, SL4M8, SL45Z, SL4CG, SL3VM, SL4ZL	733 MHz	256 KB	133 MHz	5.5×	1.65–1.75 V	19.1 W	Socket 370	October 25, 1999	RB80526PZ733256	$776
	SL3SB, SL3XN, SL3SZ, SL4FQ, SL455, SL4KD, SL4C2, SL4CX	733 MHz	256 KB	133 MHz	5.5×	1.65–1.75 V	19.1 W	Slot 1	October 25, 1999	80526PZ733256	$776
	SL3VC, SL4M9, SL3XZ, SL462, SL4CF, SL3VN	750 MHz	256 KB	100 MHz	7.5×	1.65–1.75 V	19.5 W	Socket 370	December 20, 1999	RB80526PY750256	$803
	SL3V6, SL3WC, SL3XP, SL4KE, SL456, SL4BZ	750 MHz	256 KB	100 MHz	7.5×	1.65–1.75 V	19.5 W	Slot 1	December 20, 1999	80526PY750256	$803
	SL3Y3, SL463, SL4CE, SL4MA, SL3X4, SL4ZN, SL65C	800 MHz	256 KB	100 MHz	8×	1.65–1.75 V	20.8 W	Socket 370	December 20, 1999	RB80526PY800256	$851
	SL3Z6, SL4BY, SL3XR, SL457, SL4KF	800 MHz	256 KB	100 MHz	8×	1.65–1.75 V	20.8 W	Slot 1	December 20, 1999	80526PY800256	$851
	SL3VE, SL4CD, SL4MB, SL52P, SL3WB, SL3Y2	800 MHz	256 KB	133 MHz	6×	1.65–1.75 V	20.8 W	Socket 370	December 20, 1999	RB80526PZ800256	$851
	SL3V8, SL4KG, SL4BX, SL458, SL4G7, SL3WA, SL3XQ	800 MHz	256 KB	133 MHz	6×	1.65–1.75 V	20.8 W	Slot 1	December 20, 1999	80526PZ800256	$851
	SL4MC, SL43H, SL49G, SL4CC, SL4Z2	850 MHz	256 KB	100 MHz	8.5×	1.65–1.75 V	25.7 W	Socket 370	March 20, 2000	RB80526PY850256	$765
	SL4BW, SL43F, SL47M, SL4KH	850 MHz	256 KB	100 MHz	8.5×	1.65–1.75 V	25.7 W	Slot 1	March 20, 2000	80526PY850256	$765
	SL49H, SL4MD, SL43J, SL4ZJ, SL5DX, SL4CB, SL5B5, SL5HK	866 MHz	256 KB	133 MHz	6.5×	1.65–1.75 V	22.5/22.9 W	Socket 370	March 20, 2000	RB80526PZ866256	$776
	SL4BV, SL47N, SL47S, SL43G	866 MHz	256 KB	133 MHz	6.5×	1.65–1.75 V	22.5/22.9 W	Slot 1	March 20, 2000	80526PZ866256	$776
	SL4SD, SL5BS	900 MHz	256 KB	100 MHz	9×	1.7–1.75 V	28.9 W	Socket 370	October 2000	RB80526PY900256
	SL49J, SL4ME, SL52Q, SL44J, SL4C9, SL5DW, SL5U3, SL5B4, SL5HL	933 MHz	256 KB	133 MHz	7×	1.65–1.75 V	24.5/27.3 W	Socket 370	May 24, 2000	RB80526PZ933256	$744
	SL4BT, SL448, SL47Q	933 MHz	256 KB	133 MHz	7×	1.65–1.75 V	24.5/27.3 W	Slot 1	May 24, 2000	80526PZ933256	$744
	SL5QV	1 GHz	256 KB	100 MHz	10×	1.75 V	29 W	Socket 370	March 8, 2000	RB80526PY001256	$990
	SL4BR, SL4KL	1 GHz	256 KB	100 MHz	10×	1.75 V	29 W	Slot 1	March 8, 2000	80526PY1000256	$990
	SL4C8, SL4MF, SL52R, SL5B3, SL5DV, SL5FQ, SL4WM	1 GHz	256 KB	133 MHz	7.5×	1.7–1.76 V	29 W	Socket 370	March 8, 2000	RB80526PZ001256	$990
	SL4BS, SL48S	1 GHz	256 KB	133 MHz	7.5×	1.7–1.76 V	29 W	Slot 1	March 8, 2000	80526PZ1000256	$990
	SL5QW	1.1 GHz	256 KB	100 MHz	11×	1.75 V	33 W	Socket 370	June 2000	RB80526PY005256
	SL5B2, SL4YV	1.13 GHz	256 KB	133 MHz	8.5×	1.75 V	33 W	Socket 370	July 31, 2000	RK80526PZ006256
	SL4HH	1.13 GHz	256 KB	133 MHz	8.5×	1.8 V	33 W	Slot 1	July 31, 2000	80526PZ1133256	-

"Coppermine T"">Coppermine T (microprocessor)">"Coppermine T" (180 nm)

All models support: MMX, SSE
The L2 cache runs at 100% cpu speed

Model Number	sSpec Number	Frequency	L2 Cache	FSB	Mult	Voltage	TDP	Socket	Release Date	Part Number	Release Price
	SL5QD	800 MHz	256 KB	133 MHz	6×	1.75 V	20.8 W	Socket 370	June 2001	RB80533PZ800256
	SL5HG, SL5QE	866 MHz	256 KB	133 MHz	6.5×	1.75 V	26.1 W	Socket 370	June 2001	RK80533PZ866256
	SL5HH, SL5QF	933 MHz	256 KB	133 MHz	7×	1.75 V	27.3 W	Socket 370	June 2001	RK80533PZ933256
	SL5QJ	1 GHz	256 KB	133 MHz	7.5×	1.75 V	29 W	Socket 370	June 2001	RK80533PZ001256
	SL5QK	1.13 GHz	256 KB	133 MHz	8.5×	1.75 V	29.1 W	Socket 370	June 2001	RK80533PZ006256	$990

"Tualatin"">Tualatin (microprocessor)">"Tualatin" (130 nm)

All models support: MMX, SSE
The 'S' suffix denotes the presence of 512 KB L2 cache and dual-processor capability.
The Tualatin-class Pentium IIIs did not include the controversial Processor Serial Number feature that was present in the earlier Pentium IIIs
The L2 cache runs at 100% cpu speed
Tualatin has had possibility to support up to 4 GB of memory

Model Number	sSpec Number	Frequency	L2 Cache	FSB	Mult	Voltage	TDP	Socket	Release Date	Part Number	Release Price
	SL5GR	1 GHz	256 KB	133 MHz	7.5×	1.475 V	29.9 W	Socket 370	July 2001	RK80530PZ001256
	SL5PS	1 GHz	512 KB	133 MHz	7.5×	1.475 V	29.9 W	Socket 370	June 2001	RK80530KZ001512
	SL5GQ, SL5LT, SL6C4, SL6JK	1.13 GHz	256 KB	133 MHz	8.5×	1.475 V	29.1 W	Socket 370	July 2001	RK80530PZ006256
	SL5LV, SL5PU, SL6BW, SL6JM	1.13 GHz	512 KB	133 MHz	8.5×	1.45 V	28.7 W	Socket 370	June 2001	RK80530KZ006512
	SL5GN, SL5PM, SL6C3, SL6JL	1.2 GHz	256 KB	133 MHz	9×	1.475 V	29.9 W	Socket 370	July 2001	RK80530PZ009256
	SL5LW, SL5QL, SL6BX, SL6JN	1.26 GHz	512 KB	133 MHz	9.5×	1.45 V	30.4 W	Socket 370	July 2001	RK80530KZ012512
	SL5VX, SL6BZ, SL6HS	1.33 GHz	256 KB	133 MHz	10×	1.475 V	29.9 W	Socket 370	December 2001	RK80530PZ014256
	SL64W, SL6C2, SL6HR	1.4 GHz	256 KB	133 MHz	10.5×	1.5 V	31.2 W	Socket 370	December 2001	RK80530PZ017256
	SL5XL, SL657, SL6BY, SL6JP	1.4 GHz	512 KB	133 MHz	10.5×	1.45 V	32.2 W	Socket 370	January 8, 2002	RK80530KZ017512	$315

Mobile processors

"Coppermine"">Coppermine (microprocessor)">"Coppermine" (180 nm)

All models support: MMX, SSE
"Tualatin"">Tualatin (microprocessor)">"Tualatin" (130 nm)
All models support: MMX, SSE
Videogame consoles

"Coppermine-128"">Coppermine (microprocessor)">"Coppermine-128" (180 nm)

A modified version of Coppermine was developed for Microsoft's Xbox game console. The only significant change was that the chip lost half of its L2 cache, dropping it down to 128 KB. Unlike the Celeron Coppermine variant with the same size L2 cache, but reduced 4-way L2 cache associativity, Xbox's Coppermine core kept all of its 8-way L2 cache associativity from the Pentium III. This means that the Xbox CPU's L2 cache is more efficient than Celeron's. The Xbox CPU was manufactured onto the same Micro-PGA2 packaging as notebook chips.

All models support: MMX, SSE
The L2 cache runs at 100% cpu speed

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List of Intel Pentium III microprocessors

Desktop processors

"Katmai"">Katmai (microprocessor)">"Katmai" (250 nm)

"Coppermine"">Coppermine (microprocessor)">"Coppermine" (180 nm)

"Coppermine T"">Coppermine T (microprocessor)">"Coppermine T" (180 nm)

"Tualatin"">Tualatin (microprocessor)">"Tualatin" (130 nm)

Mobile processors

"Coppermine"">Coppermine (microprocessor)">"Coppermine" (180 nm)

"Tualatin"">Tualatin (microprocessor)">"Tualatin" (130 nm)

Videogame consoles

"Coppermine-128"">Coppermine (microprocessor)">"Coppermine-128" (180 nm)