Processor Codenames

written by: Hugo Gyopa; article published: year 2006, month 07;


In: Root » Computers and technology » Memory Processor Motherboards and buses » Processor Codenames

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Intel, AMD, and Cyrix have always used codenames when talking about future processors. The codenames usually are not supposed to become public, but they typically do. They can often be found in online and print news and magazine articles talking about future-generation processors. Sometimes, they even appear in motherboard manuals because the manuals are written before the processors are officially introduced.

Processor Codenames
AMD Codename Description
X5 5x86-133 [Socket 3]
SSA5 K5 (original PR75-PR100) [Socket 5, 7]
5k86 K5 (newer PR120-PR200) [Socket 7]
K6 Original AMD K6 core; canceled
NX686 NexGen K6 core; became the K6 [Socket 7]
Little Foot 0.25mm K6 [Socket 7]
Chompers K6-2 [Socket 7, Super7]
Sharptooth K6-3 [Super7]
Argon Formerly K7
K7 Athlon [Slot A]
K75 0.18mm Athlon [Slot A]
K76 0.18mm Athlon (copper interconnects) [Slot A]
K8 Athlon 64
Thunderbird Athlon [Slot A, Socket A]
Mustang Athlon w/large L2; canceled
Corvette Former mobile Athlon (now Palomino)
Palomino 0.18mm Athlon XP/MP, Mobile Athlon 4 [Socket A]
Thoroughbred-A 0.13mm Athlon XP/MP 17002100+ [Socket A]
Thoroughbred-B 0.13mm Athlon XP 17002400+, 26002800+ [Socket A]; Sempron 22002800+ [Socket A]
Barton 0.13mm Athlon XP/MP w/512K L2 [Socket A]
Thorton Athlon XP (256KB L2 cache) [Socket A]
Spitfire Duron [Socket A]
Camaro Former Morgan
Morgan Mobile Duron and Model 7 Duron 900MHz1.3GHz [Socket A]
Applebred Duron 1.4GHz1.8GHz
Appaloosa 0.13mm Morgan [Socket A]
ClawHammer Athlon 64 (64-bit CPU) [Socket 754 and Socket 939]
ClawHammer DP Early name for Opteron DP [Socket 940]
Newcastle Athlon 64 [Socket 754 and Socket 939]
Winchester 0.09mm Athlon 64 [Socket 939]
San Diego 0.09mm Athlon 64 and Athlon 64 FX w/SSE3 extensions [Socket 939]
Venice 0.09mm Athlon 64 w/SSE3 extensions [Socket 939]
Odessa 0.09mm mobile Athlon 64
Manchester Athlon 64 X2 w/512KB L2 cache and SSE3 extensions [Socket 939]
Toledo Athlon 64 X2 w/1024KB L2 cache and SSE3 extensions [Socket 939]
SledgeHammer Opteron w/large L2 [Socket 940]
Palermo 0.09mm Sempron [Socket 754]
Paris Sempron [Socket 754]
Oakville Mobile Athlon 64 and Sempron [Socket 754]
Windsor Athlon 64 X2 and Athlon 64 FX-62 [Socket M2]
Orleans Athlon 64 [Socket M2]
Manila Sempron [Socket M2]
Intel Codename Description
P23 486SX [Socket 1, 2, 3]
P23S 486SX SL-enhanced [Socket 1, 2, 3]
P23N 487SX (coprocessor) [Socket 1]
P4 486DX [Socket 1, 2, 3]
P4S 486DX SL-enhanced [Socket 1, 2, 3]
P24 486DX2 [Socket 1, 2, 3]
P24S 486DX2 SL-enhanced [Socket 1, 2, 3]
P24D 486DX2 (write-back cache) [Socket 3]
P24C 486DX4 [Socket 3]
P23T 486DXODP (486 OverDrive) [Socket 3]
P4T 486DXODPR (486 OverDrive) [Socket 1, 2, 3]
P24T PODP5V (Pentium OverDrive) [Socket 2, 3]
P24CT Pentium OverDrive 3.3V [Socket 2, 3]
P5 Pentium 60/66MHz [Socket 4]
P5T Pentium OverDrive 120/133MHz [Socket 4]
P54C Pentium 75MHz120MHz [Socket 5, 7]
P54CQS Pentium 120MHz133MHz [Socket 5, 7]
P54CS Pentium 120MHz200MHz [Socket 7]
P54CT(A) Pentium OverDrive [Socket 5, 7]
P55C Pentium MMX [Socket 7]
P54CTB Pentium OverDrive MMX [Socket 5, 7]
Tillamook Mobile Pentium MMX [Mobile Module]
P6 Pentium Pro [Socket 8]
P6T Pentium II OverDrive [Socket 8]
Klamath 0.35mm Pentium II [Slot 1]
Deschutes 0.25mm Pentium II [Slot 1]
Drake 0.25mm Pentium II Xeon [Slot 2]
Tonga Mobile Pentium II
Covington Celeron (cacheless Pentium II) [Slot 1]
Mendocino 0.25mm Celeron w/128KB on-die L2 [Slot 1, Socket 370]
Dixon Mobile Pentium II w/256KB on-die L2
Katmai 0.25mm Pentium III w/SSE [Slot 1]
Tanner 0.25mm Pentium III Xeon w/SSE [Slot 2]
Coppermine 0.18mm Pentium III w/on-die L2 [Slot 1, Socket 370]
Tualatin 0.13mm Pentium III [Socket 370]
Coppermine-T 0.18mm Pentium III w/Tualatin voltage [Socket 370]
Cascades 0.18mm Pentium III Xeon [Slot 2]
Coppermine-128 0.18mm Celeron w/128KB L2 [Socket 370]
Timna Mobile Celeron w/DRAM controller; canceled
P68 Willamette
Willamette 0.18mm Pentium 4 [Socket 423, 478]
Northwood 0.13mm Pentium 4 [Socket 478]
Prescott 0.09mm Pentium 4 w/HT; Celeron D [Socket 478]; Celeron D [Socket 775]
Smithfield Pentium D, Pentium Extreme Edition [Socket 775]
Presler 0.065mm Pentium D
Conroe 0.065mm Pentium D with reduced power consumption
Banias 130nm Pentium M w/1MB L2
Yonah Pentium M (dual-core) and Celeron M (single-core)
Merom 64-bit version of Yonah
Foster Xeon DP [Socket 603]
Foster MP Xeon MP [Socket 603]
Prestonia 0.13mm Xeon DP [Socket 603]
Gallatin 0.13mm Xeon MP [Socket 603]
Nocona 0.09mm Xeon [Socket 603]; Pentium 4 Extreme Edition [Socket 478 and Socket 775]
Dothan 90nm Pentium M w/2MB L2
P7 Former Merced (Itanium)
Merced Itanium [PAC 418]
McKinley Itanium 2 w/3MB on-die L3 [PAC 418]
Madison 0.13mm Itanium 2
Deerfield Low-cost Madison
Montecito 0.09mm Madison
Shavano Future Itanium family chip

Note that the codenames and information listed in these tables are used before the processor is officially introduced. After a chip is introduced, the codename is dropped and the chip is thereafter referred to by the marketing name used at the time of the introduction. Because many of these names refer to chips that are not yet officially released, the names or specifications might change.

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