AMD Duron
Duron Logo
Developer	AMD
Manufacturer	AMD
Type	Microprocessors
Introduction	April 27, 2000 (announced) June 19, 2000 (launch)
Production	2000-2005
Architecture	K7-derived processor for budget computers
ISA	IA-32
µarch	K7
Word size	32 bit 4 octets 8 nibbles
Process	180 nm 0.18 μm 1.8e-4 mm , 130 nm 0.13 μm 1.3e-4 mm
Technology	CMOS
Clock	600 MHz-1,800 MHz
Package	CPGA-453
Socket	Socket A
Succession
←	→
K6-III	Sempron

Duron was a family of 32-bit x86 microprocessors developed by AMD and introduced in early 2000. Duron, a low-budget derivative of Athlon (K7-based), was introduced as a way for AMD to aggressively compete against Intel's Celeron in the ultra-cheap PC segment. Announced in April of 2000, Duron processors offered the best price-performance ratio providing Celeron with stiff competition.

Overview

In April of 1998 Intel introduced their Celeron family of processors - a family specifically designed to target the ultra-cheaper computer segment. Duron (still nameless at the time) was marked on AMD's roadmap during the Microprocessor Forum in 1998. Almost a year after the introduction of Athlon, AMD introduced the Duron family. With Celeron, Intel opted to using a single socket (Socket 370) for both the Pentium III and Celeron families. This allowed simplification for OEMs and opens the door for the end user to future upgrades. AMD moved in the same direction, using Socket A for Athlon and the new Duron family.

Unlike original Celeron processor models which were artificially slowed down by Intel (e.g. slower bus speed), Duron processors shared the same specs as Athlon - including a higher speed of 100 MHz bus DDR (200 MT/s). Additionally, Intel used the same production for both Celeron and Pentium III, disabling various features as needed during the manufacturing process. Unlike Intel, AMD gave Duron a design of its own, the reduced cache for example directly resulted in smaller die size and thus cheaper manufacturing. These differences played fairly well in AMD's advantage - Duron models were cheaper and had superior performance over their Celeron counterparts.

Architecture

Main article: K7 Microarchitecture

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Die Shot

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Model Identification

Duron processors follow AMD's Ordering Part Number (OPN):

Identification
D		950	A	U	T	1	B
D	HD	600	D	L	V	1	C
								Max FSB B 200 MT/s C 266 MT/s
							L2$ Size 1 64 KB
						TCASE Range V 0 °C – 85 °C   S 0 °C – 95 °C T 0 °C – 90 °C   Q 0 °C – 100 °C
					Core Voltage L 1.5 V U 1.6 V M 1.75 V
				Package Designation A CPGA-453 D OPGA
			Frequency (MHz)
		Model Variation (none) Original Desktop Processor M Original Mobile Desktop Processor HD High-Performance Desktop Processor HM High-Performance Mobile Processor
	Family Designation D Duron Processor

Members

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Motherboards

Vendor	Model	Form	Chipset
Abit	KD7	ATX	VIA KT400
Abit	KR7A	ATX	VIA KT266A
Acorp	7KT266A	ATX	VIA KT266A
Albatron	KX400+	ATX	VIA KT333
Albatron	KX400+ Pro	ATX	VIA KT333
Albatron	KX400-8X	ATX	VIA KT400
AOpen	AK77-333	ATX	VIA KT333
AOpen	AK77-8X Max	ATX	VIA KT400
AOpen	AK77-8XN	ATX	VIA KT400
Asus	A7N266-VM	µATX	NVIDIA nForce 220D
Asus	A7N266-VM	µATX	NVIDIA nForce 220D
Asus	A7N266-VM/AA	µATX	NVIDIA nForce 220D
Asus	A7N8X	ATX	NVIDIA nForce2
Asus	A7V266-E	ATX	VIA KT266A
Asus	A7V333	ATX	VIA KT333
Asus	A7V333	ATX	VIA KT333
Asus	A7V8X	ATX	VIA KT400
AZZA	KT33F-ANB	ATX	VIA KT333
Biostar	M7VIF	ATX	VIA KT333
Biostar	M7VIG	µATX	VIA KM266
Biostar	M7VIK	ATX	VIA KT400
Biostar	M7VIP	ATX	VIA KT333
Chaintech	7AIV5	µATX	VIA KM133A
Chaintech	7SIF	µATX	SiS 740
Chaintech	7VIA	µATX	VIA KT333
Chaintech	7VJDA	ATX	VIA KT266A
Chaintech	7VJS	ATX	VIA KT400
DFI	AD73PRO	ATX	VIA KT266A
ECS	K7S5A	ATX	SiS 735
ECS	K7S6A	ATX	SiS 745
ECS	K7SOM/M841LR	ATX	SiS 740
ECS	K7VTA3	ATX	VIA KT266
ECS	K7VTA3	ATX	VIA KT333
ECS	L7VMM	µATX	VIA KM266
ECS	L7VTA	ATX	VIA KT400
ECS	M825ULR	µATX	VIA KM266
EPoX	8KHA+	ATX	VIA KT266A
EPoX	8KMM+	µATX	VIA KM266
EPoX	EP-8K3A	ATX	VIA KT333
EPoX	EP-8K9A2	ATX	VIA KT400
EPoX	EP-8KMM+	µATX	VIA KM266
FIC	AM-35	µATX	VIA KM266
FIC	AM37	µATX	VIA KM266
FIC	AN-17	ATX	VIA KT333
FIC	AN11	ATX	VIA KT266A
FIC	AN19C	ATX	VIA KT400
FIC	AN19E	ATX	VIA KT400
Gigabyte	GA-7DX	ATX	AMD-761
Gigabyte	GA-7DX+	ATX	AMD-761
Gigabyte	GA-7DXE	ATX	AMD-761
Gigabyte	GA-7DXR+	ATX	AMD-761
Gigabyte	GA-7VA	ATX	VIA KT400
Gigabyte	GA-7VAX	ATX	VIA KT400
Gigabyte	GA-7VAXP	ATX	VIA KT400
Gigabyte	GA-7VAXP Ultra	ATX	VIA KT400
Gigabyte	GA-7VKML	µATX	VIA KM266
Gigabyte	GA-7VR	ATX	VIA KT333
Gigabyte	GA-7VRX	ATX	VIA KT333
Gigabyte	GA-7VRX	ATX	VIA KT333
Gigabyte	GA-7VRXP	ATX	VIA KT333
Gigabyte	GA-7VTXE+	ATX	VIA KT266A
Gigabyte	GA-7VTXH+	ATX	VIA KT266A
Jetway	866AS-Ultra	ATX	VIA KT266A
Jetway	V333DA	ATX	VIA KT333
Leadtek	7350KDA	ATX	SiS 735
Leadtek	K7N415DA	ATX	NVIDIA nForce 415D
Mach Speed Technologies	MZ333DA	ATX	VIA KT333
Mach Speed Technologies	MZ866AS	ATX	VIA KT266A
MSI	K7N2	ATX	NVIDIA nForce2
MSI	K7T Turbo2	ATX	VIA KT133A
MSI	K7T266 Pro2	ATX	VIA KT266A
MSI	KT3 Ultra	ATX	VIA KT333
MSI	KT3 Ultra2	ATX	VIA KT333
MSI	KT4 Ultra	ATX	VIA KT333
MSI	KT4M	µATX	VIA KT400
MSI	KT4V	ATX	VIA KT400
MSI	MS-6340M	µATX	VIA KM133A
MSI	MS-6367	µATX	nVidia nForce 420D
MSI	MS-6382E	ATX	VIA KT333
MSI	MS-6390	µATX	VIA KM266
MSI	MS-6568	µATX	SiS 740
MSI	MS-6593	ATX	VIA KT333
QDI	KD7X	ATX	VIA KT400
QDI	KuDoZ 7E/333	ATX	VIA KT333
QDI	KuDoz 7	ATX	VIA KT266A
Shuttle	AK35GTR	ATX	VIA KT266A
Shuttle	AK35GTR	ATX	VIA KT333
Shuttle	AK37GTR	ATX	VIA KT400
Shuttle	AK38	ATX	VIA KT333
Shuttle	AK39N	ATX	VIA KT400
Shuttle	FS40	FlexATX	SiS 740
Shuttle	FX41	FlexATX	VIA KM266
Soltek	SL-75DRV5	ATX	VIA KT333
Soyo	K7V Dragon Plus	ATX	VIA KT266A
Soyo	SY-KT333 Dragon Lite	ATX	VIA KT333
Soyo	SY-KT333 Dragon Ultra	ATX	VIA KT333
XFX	KT33F-ANB	ATX	VIA KT333

See Also

• Athlon
• Celeron
• Cyrix III