List of AMD K6 processors

The AMD K6 microprocessor is the 2nd generation of x86-compatible 32-bit processors designed by AMD. The K6 core was derived from the NexGen Nx686 core being developed based on the RISC86 architecture.^[1][2]

Desktop CPU

K6 (Model 6, K6, 350 nm)

• All models support: MMX

Model Number	Frequency	FSB	Multiplier	Voltage	TDP	Socket	Release Date	Order Part Number(s)	Release price (USD)
K6 166	166 MHz	66 MHz	2.5x	2.9 V	17.2 W	Socket 7	Apr 2, 1997[3]	AMD-K6-166ALR AMD-K6-166ALYD	$244
K6 200	200 MHz	66 MHz	3.0x	2.9 V	20.0 W	Socket 7	Apr 2, 1997[3]	AMD-K6-200AFR AMD-K6-200ALR AMD-K6-200ALYD	$349
K6 233	233 MHz	66 MHz	3.5x	3.2 V	28.3 W	Socket 7	Apr 2, 1997[3]	AMD-K6-233AFR AMD-K6-233ANR AMD-K6-233APR	$469

K6 (Model 7, K6, 250 nm)

• All models support: MMX

Model Number	Frequency	FSB	Multiplier	Voltage	TDP	Socket	Release Date	Order Part Number(s)	Release price (USD)
K6 266	266 MHz	66 MHz	4.0x	2.2 V	14.5 W	Socket 7	Jan 6, 1998[4]	AMD-K6/266AFR	$156
K6 300	300 MHz	66 MHz	4.5x	2.2 V	15.4 W	Socket 7	Apr 7, 1998[5]	AMD-K6/300AFR	$246

K6-2 (Model 8, K6, 250 nm)

• All models support: MMX, 3DNow!^[6]

Model Number	Frequency	FSB	Multiplier	Voltage	TDP	Socket	Release Date	Order Part Number(s)	Release price (USD)
K6-2 200	200 MHz	66 MHz	3.0x	2.2 V	?	Socket 7	?	AMD-K6-2/200AFR	?
K6-2 233	233 MHz	66 MHz	3.5x	2.2 V	?	Socket 7	?	AMD-K6-2/233AFR	?
K6-2 266	266 MHz	66 MHz	4.0x	2.2 V	14.7 W	Socket 7	May 28, 1998[7]	AMD-K6-2/266AFR	$185
K6-2 300	300 MHz	66 MHz	4.5x	2.2 V	17.2 W	Socket 7	May 28, 1998[7]	AMD-K6-2/300AFR	$281
K6-2 333	333 MHz	66 MHz	5.0x	2.2 V	19.0 W	Socket 7	May 28, 1998[7]	AMD-K6-2/333AFR	$369
K6-2 350	350 MHz	100 MHz	3.5x	2.2 V	19.9 W	Super Socket 7	Aug 27, 1998[8]	AMD-K6-2/350AFQ AMD-K6-2/350AFR	$317
K6-2 366	366 MHz	66 MHz	5.5x	2.2 V	20.8 W	Socket 7	Nov 16, 1998[9]	AMD-K6-2/366AFR	$187
K6-2 380	380 MHz	95 MHz	4.0x	2.2 V	21.6 W	Super Socket 7	Nov 16, 1998[9]	AMD-K6-2/380AFR	$213
K6-2 400	400 MHz	100 MHz	4.0x	2.2 V	22.7 W	Super Socket 7	Nov 16, 1998[9]	AMD-K6-2/400AFQ AMD-K6-2/400AFR AMD-K6-2/400AHX	$283
K6-2 450	450 MHz	100 MHz	4.5x	2.2 V	28.4 W	Super Socket 7	Feb 26, 1999[10]	AMD-K6-2/450AFX AMD-K6-2/450AGX AMD-K6-2/450AHX	$203
K6-2 475	475 MHz	95 MHz	5.0x	2.4 V	29.6 W	Super Socket 7	Apr 5, 1999[11]	AMD-K6-2/475AFX AMD-K6-2/475AHX	$213
K6-2 500	500 MHz	100 MHz	5.0x	2.2 V 2.4 V	?	Super Socket 7	Aug 30, 1999[12]	AMD-K6-2/500AFX AMD-K6-2/500AHX	$167
K6-2 533	533 MHz	97 MHz	5.5x	2.2 V	20.7 W	Super Socket 7	Nov 29, 1999[13]	AMD-K6-2/533AFX	$167
K6-2 550	550 MHz	100 MHz	5.5x	2.3 V	25.0 W	Super Socket 7	Feb 22, 2000[14]	AMD-K6-2/550AFX AMD-K6-2/550AGR	$189

K6-III (Model 9, K6-III, 250 nm)

• All models support: MMX, 3DNow!^[15]

Model Number	Frequency	L2-Cache	FSB	Multiplier	Voltage	TDP	Socket	Release Date	Order Part Number(s)	Release price (USD)
K6-III 333	333 MHz	256 KB	95 MHz	3.5x	2.2 V	?	Super Socket 7	?	AMD-K6-III/333AFR	?
K6-III 400	400 MHz	256 KB	100 MHz	4.0x	2.2 v 2.4 v	18.1 W	Super Socket 7	Feb 22, 1999[16]	AMD-K6-III/400AFR AMD-K6-III/400AHX	$284
K6-III 450	450 MHz	256 KB	100 MHz	4.5x	2.2 v 2.4 v	20.2 W	Super Socket 7	Feb 22, 1999[16]	AMD-K6-III/450AFX AMD-K6-III/450AHX	$476

Mobile CPU

Mobile K6 (Model 7, K6, 250 nm)

• All models support: MMX

Model Number	Frequency	FSB	Multiplier	Voltage	TDP	Socket	Release Date	Order Part Number(s)	Release price (USD)
Mobile K6 233	233 MHz	66 MHz	3.5x	2.0 V	9.0 W	Socket 7 BGA	Jan 6, 1998[4]	AMD-K6/233ACZ AMD-K6/233ADZ AMD-K6/233BCZ	?
Mobile K6 266	266 MHz	66 MHz	4.0x	2.0 V	9.8 W	Socket 7 BGA	?	AMD-K6/266ACZ AMD-K6/266ADZ AMD-K6/266BCZ	?
Mobile K6 300	300 MHz	66 MHz	4.5x	2.1 V	11.0 W	Socket 7 BGA	Sep 22, 1998[17]	AMD-K6/300ADZ AMD-K6/300BDZ	$229

Mobile K6-2 (Model 8, K6-2, 250 nm)

• All models support: MMX, 3DNow!

Model Number	Frequency	FSB	Multiplier	Voltage	TDP	Socket	Release Date	Order Part Number(s)	Release price (USD)
Mobile K6-2 266	266 MHz	66 MHz	4.0x	1.8 V	9.0 W	Socket 7 BGA	Jan 13, 1999[18]	AMD-K6-2/266ANZ AMD-K6-2/266BNZ	$106
Mobile K6-2 300	300 MHz	100 MHz	3.0x	1.8 V	10.0 W	Super Socket 7 BGA	Jan 13, 1999[18]	AMD-K6-2/300ANZ AMD-K6-2/300BNZ	$187
Mobile K6-2 333	333 MHz	95 MHz	3.5x	1.8 V	11.0 W	Super Socket 7 BGA	Jan 13, 1999[18]	AMD-K6-2/333ANZ AMD-K6-2/333BNZ	$299
Mobile K6-2 P 350	350 MHz	100 MHz	3.5x	2.2 V	15.0 W	Super Socket 7	Mar 8, 1999[19]	AMD-K6-2/350AFK	$119
Mobile K6-2 P 366	366 MHz	66 MHz	5.5x	2.2 V	16.0 W	Socket 7	Mar 8, 1999[19]	AMD-K6-2/366AFK	$149
Mobile K6-2 P 380	380 MHz	95 MHz	4.0x	2.2 V	16.0 W	Super Socket 7	Mar 8, 1999[19]	AMD-K6-2/380AFK	$169
Mobile K6-2-P 400	400 MHz	100 MHz	4.0x	2.2 V	16.0 W	Super Socket 7	Jun 15, 1999[20]	AMD-K6-2/400ACK AMD-K6-2/400AFK	$187
Mobile K6-2-P 433	433 MHz	96.2 MHz	4.5x	2.1 V	16.0 W	Super Socket 7	Sep 20, 1999[21]	AMD-K6-2/433ADK	$159
Mobile K6-2-P 450	450 MHz	100 MHz	4.5x	2.1 V	16.0 W	Super Socket 7	Sep 20, 1999[21]	AMD-K6-2/450ADK	$189
Mobile K6-2-P 475	475 MHz	95 MHz	5.0x	2.0 V	16.0 W	Super Socket 7	Sep 20, 1999[21]	AMD-K6-2/475ACK	$209
Mobile K6-2-P 500	500 MHz	100 MHz	5.0x	2.1 V	20.0 W	Super Socket 7	?	AMD-K6-2/500ADK	?

Mobile K6-2+ (Model 13, K6-2+, 180 nm)

• All models support: MMX, 3DNow!

Model Number	Frequency	L2-Cache	FSB	Multiplier	Voltage	TDP	Socket	Release Date	Order Part Number(s)	Release price (USD)
Mobile K6-2+ 450	450 MHz	128 KB	100 MHz	4.5x	2.0 V	16.0 W	Super Socket 7	Apr 18, 2000[22]	AMD-K6-2+/450ACZ AMD-K6-2+/450ACZM AMD-K6-2+/450ADZM	$85
Mobile K6-2+ 475	475 MHz	128 KB	95 MHz	5.0x	2.0 V	16.0 W	Super Socket 7	Apr 18, 2000[22]	AMD-K6-2+/475ACZM AMD-K6-2+/475ADZM	$98
Mobile K6-2+ 500	500 MHz	128 KB	100 MHz	5.0x	2.0 V	16.0 W	Super Socket 7	Apr 18, 2000[22]	AMD-K6-2+/500ACZ AMD-K6-2+/500ACZM	$112
Mobile K6-2+ 533	533 MHz	128 KB	97 MHz	5.5x	2.0 V	18.0 W	Super Socket 7	Jun 26, 2000[23]	AMD-K6-2+/533ACZ AMD-K6-2+/533ACZM	$85
Mobile K6-2+ 550	550 MHz	128 KB	100 MHz	5.5x	2.0 V	18.0 W	Super Socket 7	Jun 26, 2000[23]	AMD-K6-2+/550ACZ	$99
Mobile K6-2+ 570	570 MHz	128 KB	95 MHz	6.0x	2.0 V	?	Super Socket 7	?	AMD-K6-2+/570ACZ	?

Mobile K6-III-P (Model 9, K6-III, 250 nm)

• All models support: MMX, 3DNow!

Model Number	Frequency	L2-Cache	FSB	Multiplier	Voltage	TDP	Socket	Release Date	Order Part Number(s)	Release price (USD)
Mobile K6-III 333	333 MHz	256 KB	95 MHz	3.5x	2.2 V	?	Super Socket 7	?	AMD-K6-III/333AFK	?
Mobile K6-III-P 350	350 MHz	256 KB	100 MHz	3.5x	2.2 V	16.0 W	Super Socket 7	May 24, 1999[24]	AMD-K6-III/350AFK	$249
Mobile K6-III-P 366	366 MHz	256 KB	66 MHz	5.5x	2.2 V	16.0 W	Socket 7	May 24, 1999[24]	AMD-K6-III/366AFK	$316
Mobile K6-III-P 380	380 MHz	256 KB	95 MHz	4.0x	2.2 V	16.0 W	Super Socket 7	May 24, 1999[24]	AMD-K6-III/380AFK	$349
Mobile K6-III-P 400	400 MHz	256 KB	100 MHz	4.0x	2.0 V	16.0 W	Super Socket 7	Sep 20, 1999[21]	AMD-K6-III/400ACK	$246
Mobile K6-III-P 433	433 MHz	256 KB	96.2 MHz	4.5x	2.0 V	16.0 W	Super Socket 7	Sep 20, 1999[21]	AMD-K6-III/433ACK	$283
Mobile K6-III-P 450	450 MHz	256 KB	100 MHz	4.5x	2.0 V	16.0 W	Super Socket 7	Sep 20, 1999[21]	AMD-K6-III/450ACK	$320

Mobile K6-III+ (Model 13, K6-III+, 180 nm)

• All models support: MMX, Enhanced 3DNow!, CnQ

Model Number	Frequency	L2-Cache	FSB	Multiplier	Voltage	TDP	Socket	Release Date	Order Part Number(s)	Release price (USD)
Mobile K6-III+ 450	450 MHz	256 KB	100 MHz	4.5x	2.0 V	16.0 W	Super Socket 7	April 18, 2000[22]	AMD-K6-III+/450ACZ	$140
Mobile K6-III+ 475	475 MHz	256 KB	95 MHz	5.0x	2.0 V	16.0 W	Super Socket 7	April 18, 2000[22]	AMD-K6-III+/475ACZ	$162
Mobile K6-III+ 500	500 MHz	256 KB	100 MHz	5.0x	2.0 V	16.0 W	Super Socket 7	April 18, 2000[22]	AMD-K6-III+/500ACZ	$184

Embedded CPU

Mobile K6-2E (Model 8, K6-2, 250 nm)

• All models support: MMX, 3DNow!, CnQ

Model Number	Frequency	FSB	Multiplier	Voltage	TDP	Socket	Release Date	Order Part Number(s)	Release price (USD)
K6-2E 233	233 MHz	66 MHz	3.5x	2.2 V 1.9 V	13.5 W	Socket 7	Jun 28, 1999[25]	AMD-K6-2E/233AFR AMD-K6-2E/233AMZ	$55 $66
K6-2E 266	266 MHz	66 MHz	4.0x	2.2 V 1.9 V	14.7 W	Socket 7	Jun 28, 1999[25]	AMD-K6-2E/266AFR AMD-K6-2E/266AMZ	$56 $69
K6-2E 300	300 MHz	100 MHz	3.0x	2.2 V 1.9 V	17.2 W	Super Socket 7	Jun 28, 1999[25] Dec 6, 1999[26]	AMD-K6-2E/300AFR AMD-K6-2E/300AMZ	$59 $66
K6-2E 333	333 MHz	95 MHz	3.5x	2.2 V 1.9 V	19.0 W	Super Socket 7	Dec 6, 1999[26]	AMD-K6-2E/333AFR AMD-K6-2E/333AMZ	$59 $69
K6-2E 350	350 MHz	100 MHz	3.5x	2.2/1.9 V	19.9 W	Super Socket 7	Dec 6, 1999[26]	AMD-K6-2E/350AFR AMD-K6-2E/350AMZ	$61
K6-2E 400	400 MHz	100 MHz	4.0x	2.2 V	16.9 W	Super Socket 7	?	AMD-K6-2E/400AFR	?

K6-2E+ (Model 13, K6-2+, 180 nm)

• All models support: MMX, 3DNow!

Model Number	Frequency	L2-Cache	FSB	Multiplier	Voltage	TDP	Socket	Release Date	Order Part Number(s)	Release price (USD)
K6-2E+ 350	350 MHz	128 KB	100 MHz	3.5x	1.5 V	7.5 W	Super Socket 7 BGA	Sep 25, 2000[27]	AMD-K6-2E+/350AUZ AMD-K6-2E+/350IUZ	$71
K6-2E+ 400	400 MHz	128 KB	100 MHz	4.0x	2.0 V 1.6 V	9.5 W	Super Socket 7 BGA	Sep 25, 2000[27]	AMD-K6-2E+/400ACR AMD-K6-2E+/400ATZ AMD-K6-2E+/400ICR AMD-K6-2E+/400ITZ	$66 $76
K6-2E+ 450	450 MHz	128 KB	100 MHz	4.5x	2.0 V 1.7 V	12.0 W	Super Socket 7 BGA	Sep 25, 2000[27]	AMD-K6-2E+/450ACR AMD-K6-2E+/450APZ AMD-K6-2E+/450ICR	$71 $82
K6-2E+ 500	500 MHz	128 KB	100 MHz	5.0x	2.0 V	18.5 W	Super Socket 7	Sep 25, 2000[27]	AMD-K6-2E+/500ACR	$78

K6-IIIE+ (Model 13, K6-III+, 180 nm)

• All models support: MMX, Enhanced 3DNow!, CnQ

Model Number	Frequency	L2-Cache	FSB	Multiplier	Voltage	TDP	Socket	Release Date	Order Part Number(s)	Release price (USD)
K6-IIIE+ 400	400 MHz	256 KB	100 MHz	4.0x	1.6 V	9.5 W	Super Socket 7 BGA	Sep 25, 2000[27]	AMD-K6-III+/400ACR AMD-K6-III+/400ATZ AMD-K6-III+/400ICR AMD-K6-III+/400ITZ	$89
K6-IIIE+ 450	450 MHz	256 KB	100 MHz	4.5x	2.0 V 1.7 V	12.0 W	Super Socket 7 BGA	Sep 25, 2000[27]	AMD-K6-III+/450ACR AMD-K6-III+/450APZ AMD-K6-III+/450ICR	$83 $94
K6-IIIE+ 500	500 MHz	256 KB	100 MHz	5.0x	2.0 V 1.8 V	14.5 W	Super Socket 7	Sep 25, 2000[27]	AMD-K6-III+/500ACR AMD-K6-III+/500ANZ	$91 $106
K6-IIIE+ 550	550 MHz	256 KB	100 MHz	5.5x	2.0 V	19.5 W	Super Socket 7	Sep 25, 2000[27]	AMD-K6-III+/550ACR	$101