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if it had a high speed 128 KB cache combined with a somewhat slower 64 KB segment giving an effective 192 KB cache, versus the traditional inclusive cache design where the L2 cache had to store a duplicate of the data stored in the L1 cache. As a comparison the inclusive design of the
Celeron effectively reduced the available size of the Level 2 cache by the size of the Level 1, which resulted in an effective size of 96 KB (128-32) in contrast to the Duron's exclusive design (128+64=192).
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rebadged "Thoroughbred" A/B cores with some cache disabled (and perhaps defective). With a basic chip configuration modification, it was found that "Applebred" Durons could be turned into "Thoroughbred B" Athlon XPs, with full 256KB cache, with a very high success rate. However, this was only possible for a period of approximately 4 weeks, as shortly after "Applebred" was released, AMD changed the chip configuration method to one that was not changeable.
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430:" Athlon XP core. As a result, it featured a few important enhancements, namely full Intel SSE support, enlarged TLBs, hardware data prefetch, and an integrated thermal diode. Like the "Palomino" core, "Morgan" was also expected to reduce heat dissipation; however in "Morgan"'s case this did not happen due to its increased core voltage.
407: – the same as the then current Socket A Athlons. Later with the introduction of motherboard chipsets offering higher FSB speeds of 133 MHz (FSB 266) and AMD's matching introduction of Athlon "C" processors supporting this speed, the Duron initially retained the 100 MHz FSB for purposes of
381:
line. However, the originating
Thunderbird architecture already featured one of the largest L1 caches at 128 KB (which was not reduced in the Duron) and also introduced AMD's switch to an exclusive cache design which effectively unified the L1 and L2 caches. Because of this, the Duron behaved as
445:
Duron was often a favorite of computer builders looking for performance while on a tight budget. In 2003, the "Applebred" Duron was available in 1.4 GHz, 1.6 GHz and 1.8 GHz forms, all on a 133 MHz (FSB 266) bus by default. Enthusiast groups quickly discovered these Durons to be
385:
Consequently, the Duron inherited the
Thunderbird's reduction in sensitivity to L2 cache size, allowing AMD to make their L2 cache higher latency and lower bandwidth to lessen processor complexity and allow better manufacturing
390:
without incurring a significant performance loss. The net result was that the budget Duron "Spitfire" CPU was roughly only 10% slower than an equivalently clocked (and significantly more expensive) Athlon "Thunderbird".
507:
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411:. Later Durons were given official support for 133 MHz bus operation only after the Athlon XP was used to introduce 166/200 MHz FSB (FSB 333/400) speeds.
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The original Duron, using the "Spitfire" core, was manufactured in 2000 and 2001 at speeds ranging from 600 to 950 MHz. It was based on the 180 nm "
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from the Athlon's 256 KB. This was a relatively severe reduction, making it even smaller than the 128 KB L2 available on Intel's competing budget
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The final generation Duron was called "Applebred", sometimes called "Appalbred", and was based on the "Appaloosa" Duron along with the 130 nm "
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as the Athlon line, requiring only a BIOS update in most cases. The original Duron was introduced with a 100 MHz (effectively 200 MHz)
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The second-generation Duron, the "Morgan" core, was sold in speed grades between 900 and 1300 MHz, and was based on the 180 nm "
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and released on June 19, 2000. Duron was intended to be a lower-cost offering to complement AMD's then mainstream performance
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437:" Athlon XP. "Appaloosa" was never officially announced but it did see very limited circulation.
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processor offerings. The Duron brand name was retired in 2004, succeeded by the AMD's
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869: – Popular hardware review website Anandtech compares low priced CPUs
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23:
This article is about the microprocessor product line. For the painting company, see
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processors, the primary difference being a reduction in L2 cache size to 64
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Updated CPU Cheatsheet – Seven Years of Covert CPU Operations
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847:"Press Release: AMD Athlon Processor Performance-Enhancing Cache Memory"
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829:, by Christian "Grampa", January 7, 2004, retrieved January 9, 2006,
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by
Anthony Barrett, Processor Emporium, retrieved January 13, 2006
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The original Duron processors were derived from AMD's mainstream
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The Duron line was pin-compatible and operated on the same
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processor line, and it also competed with rival chipmaker
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841:"IA-32 implementation AMD K7 (inclusive on Slot A)"
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856:by AMD, June 4, 2000, retrieved January 13, 2006
57:but its sources remain unclear because it lacks
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358:line of processors as their budget offering.
8:
817:"AMD Duron (64 KB integrated Level 2 cache)"
334:-compatible microprocessors manufactured by
103:
875:AMD Duron processor images and descriptions
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843:by Sandpile.org, retrieved January 9, 2006
735:"Applebred" Duron, "A"-model, 1.6 GHz
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88:Learn how and when to remove this message
827:New additions to the museum (Appalbred)"
1542:Computer-related introductions in 2000
102:
7:
1516:indicates an upcoming architecture.
14:
805:List of AMD Duron microprocessors
457:
34:
16:For the brand of hardboard, see
188:Architecture and classification
115:AMD Duron "Spitfire" 600MHz CPU
788:First release: August 21, 2003
644:First release: August 20, 2001
503:"Spitfire" Duron, 600 MHz
183:200 MT/s to 266 MT/s
1:
837: (archived July 18, 2011)
794:: 1400, 1600 or 1800 MHz
722:"Camaro" Mobile Duron, 850MHz
583:"Morgan" Duron, 1.3 GHz
564:First release: June 19, 2000
511:Die shot of a Spitfire Duron
172:600 MHz to 1.8 GHz
727:Applebred (Model 8, 130 nm)
708:First release: May 14, 2001
1558:
591:Die shot of a Morgan Duron
495:Spitfire (Model 3, 180 nm)
265:Products, models, variants
22:
15:
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782:: 133 MHz (266 MT/s)
702:: 100 MHz (200 MT/s)
638:: 100 MHz (200 MT/s)
554:: 100 MHz (200 MT/s)
108:
655:Camaro (Model 7, 180 nm)
575:Morgan (Model 7, 180 nm)
43:This article includes a
1537:AMD x86 microprocessors
244:Physical specifications
72:more precise citations.
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747:(Data + Instructions)
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667:(Data + Instructions)
603:(Data + Instructions)
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523:(Data + Instructions)
510:
502:
322:
100:Series of CPUs by AMD
330:is a line of budget
216:Instruction set
194:Technology node
867:Budget CPU Shootout
753:: 64 KB, full speed
714:: 800–1300 MHz
673:: 64 KB, full speed
650:: 900–1300 MHz
609:: 64 KB, full speed
529:: 64 KB, full speed
409:market segmentation
142:Common manufacturer
121:General information
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1033:Microarchitectures
1018:Microarchitectures
852:2018-11-10 at the
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570:: 600–950 MHz
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469:. You can help by
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45:list of references
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873:cpu-collection.de
641:VCore: 1.7-1.75 V
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204:Microarchitecture
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1227:Current products
1181:Bobcat (aka 14h)
1174:x86-64 low-power
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759:, Extended MMX,
679:, Extended MMX,
615:, Extended MMX,
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765:Extended 3DNow!
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685:Extended 3DNow!
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621:Extended 3DNow!
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541:Extended 3DNow!
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490:Duron core data
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467:needs expansion
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423:" Athlon core.
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270:Core names
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465:This section
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395:Compatibility
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137:July 28, 2004
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129:June 19, 2000
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1276:Discontinued
1258:Threadripper
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705:VCore: 1.50V
557:VCore: 1.50
475:
471:adding to it
466:
444:
435:Thoroughbred
432:
425:
418:
401:motherboards
398:
384:
367:
365:
327:
326:
225:Instructions
134:Discontinued
84:
78:January 2013
75:
64:Please help
56:
1283:Early x86 (
1109:Steamroller
441:Enthusiasts
421:Thunderbird
371:Thunderbird
362:Performance
348:Pentium III
298:Predecessor
158:Performance
70:introducing
25:Duron Paint
1531:Categories
1104:Piledriver
929:Processors
811:References
792:Clock rate
743:: 64 + 64
712:Clock rate
663:: 64 + 64
648:Clock rate
599:: 64 + 64
568:Clock rate
519:: 64 + 64
478:March 2023
323:Duron logo
168:clock rate
1402:Athlon 64
1114:Excavator
1099:Bulldozer
1065:Athlon/K7
415:Revisions
308:Successor
282:Applebred
1379:AMD Élan
1023:Chipsets
850:Archived
831:Archived
799:See also
774:Socket A
751:L2 cache
741:L1 cache
694:Socket A
671:L2 cache
661:L1 cache
630:Socket A
607:L2 cache
597:L1 cache
561:– 1.60 V
546:Socket A
527:L2 cache
517:L1 cache
450:Features
428:Palomino
276:Spitfire
256:Socket A
126:Launched
18:Masonite
1514:Italics
1489:Alchemy
1484:Am29000
1446:Opteron
1419:Sempron
1126:1st gen
1001:Opteron
991:Sempron
833:at the
379:Celeron
356:Sempron
352:Celeron
312:Sempron
293:History
66:improve
1494:MIPS32
1472:Am2900
1467:Am9080
1429:Phenom
1424:Turion
1393:64-bit
1389:x86-64
1352:Athlon
1347:K6-III
1327:Am5x86
1308:32-bit
1285:16-bit
1248:Athlon
1239:64-bit
1235:x86-64
1189:Jaguar
1146:Zen 3+
1046:32-bit
996:Turion
971:Phenom
944:Athlon
761:3DNow!
681:3DNow!
617:3DNow!
537:3DNow!
388:yields
368:Athlon
340:Athlon
285:Camaro
279:Morgan
249:Socket
233:3DNow!
209:Athlon
180:speeds
1460:Other
1374:Geode
1369:Duron
1322:Am486
1317:Am386
1304:IA-32
1294:Am286
1253:Ryzen
1206:ARM64
1162:Zen 6
1156:Zen 5
1151:Zen 4
1141:Zen 3
1136:Zen 2
1042:IA-32
986:Duron
981:Ryzen
922:Lists
776:(EV6)
696:(EV6)
632:(EV6)
548:(EV6)
344:Intel
328:Duron
163:Max.
104:Duron
51:, or
1477:list
1342:K6-2
1263:Epyc
1194:Puma
1185:16h
1131:Zen+
1095:15h
1013:APUs
1006:Epyc
350:and
302:K6-2
1121:Zen
769:SSE
757:MMX
689:SSE
677:MMX
625:SSE
613:MMX
533:MMX
473:.
346:'s
336:AMD
332:x86
237:SSE
229:MMX
220:x86
178:FSB
165:CPU
149:AMD
1533::
1441:FX
1434:II
1412:II
1407:X2
1362:MP
1357:XP
1337:K6
1332:K5
1086:K9
1081:K8
1060:K6
1055:K5
976:FX
964:II
959:X2
954:64
949:XP
939:K6
934:K5
767:,
763:,
745:KB
687:,
683:,
665:KB
623:,
619:,
601:KB
539:,
521:KB
375:KB
235:,
231:,
55:,
47:,
1395:)
1391:(
1310:)
1306:(
1287:)
1241:)
1237:(
1048:)
1044:(
907:e
900:t
893:v
823:"
559:V
480:)
476:(
91:)
85:(
80:)
76:(
62:.
27:.
20:.
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