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 T 0 °C – 90 °C
					Core Voltage L 1.5 V U 1.6 V M 1.75 V
				Package Designation A CPGA-453 D OPGA
			Frequency (MHz)
		Special Variation HD High-Performance Desktop Processor
	Family Designation D Duron Processor

Members

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See Also

• Athlon
• Celeron
• Cyrix III