CPU-World: AMD K8 stepping codes

The timetable below was compiled from markings of a few hundred different K8 microprocessors. I also used this data to create a list of AMD K8 stepping codes. Please note that the data in the table is incomplete - some stepping codes may be missing, and stepping code date ranges may be incorrect. If you have a K8 microprocessor or processor picture with stepping code or date code not shown in the table please use AMD stepping code submission page to submit the code.


 
20032004200520062007200820092010
AAABB AAABB
AAADB AAADB
AAACB AAACB
AAAEB AAAEB
AAAHC AAAHC
CAAFB CAAFB
BAAHC BAAHC
BAAIC BAAIC
AAAIC AAAIC
XAAIC XAAIC
CAAJC CAAJC
NAALC NAALC
CAAKC CAAKC
AAALC AAALC
CAAMC CAAMC
AAAOC AAAOC
AAAPC AAAPC
CAAAC CAAAC
CAAOC CAAOC
AAARC AAARC
CAAPC CAAPC
CAATC CAATC
PAAPC PAAPC
AAASC AAASC
CAASC CAASC
RABSC RABSC
ABASC ABASC
CAADC CAADC
ABBGD ABBGD
SABSC SABSC
ABAPC ABAPC
CBAPC CBAPC
CBASC CBASC
SAABC SAABC
ACASC ACASC
AAABC AAABC
CAABC CAABC
DAAOC DAAOC
ABBDD ABBDD
CAACC CAACC
ABAEC ABAEC
CBAUC CBAUC
EAACC EAACC
CBAEC CBAEC
AAAXC AAAXC
ACAUC ACAUC
CAAEC CAAEC
CAAGC CAAGC
ABBED ABBED
CAAXC CAAXC
CBBFD CBBFD
CCAUC CCAUC
CAAWC CAAWC
ABBFD ABBFD
CBAXC CBAXC
AAA2C AAA2C
CBAZC CBAZC
CAAZC CAAZC
CAA2C CAA2C
AAAZC AAAZC
ABBHD ABBHD
EAAZC EAAZC
FCBNE FCBNE
CBBHD CBBHD
LBAZC LBAZC
AABHE AABHE
CABHE CABHE
CBBID CBBID
AABXE AABXE
AABSE AABSE
GABSE GABSE
ACBOE ACBOE
QBBLE QBBLE
CBBLE CBBLE
CBBGD CBBGD
ABBLE ABBLE
EAA2C EAA2C
CABXE CABXE
CABSE CABSE
LBBID LBBID
ADBHE ADBHE
ACBWE ACBWE
CABGE CABGE
CABCE CABCE
CDBHE CDBHE
AABGE AABGE
LBBIX LBBIX
LBBLE LBBLE
CCBWE CCBWE
AABYE AABYE
ABBWE ABBWE
LBBLY LBBLY
CABNE CABNE
LBAZW LBAZW
AABUE AABUE
CABUE CABUE
CBAEW CBAEW
OBAZC OBAZC
CCBOE CCBOE
YBBLE YBBLE
CABZE CABZE
AABZE AABZE
CBBWE CBBWE
LBBWE LBBWE
CABYE CABYE
KABGE KABGE
CAB2E CAB2E
AAB2E AAB2E
KAB2E KAB2E
OBAEC OBAEC
KABYE KABYE
ACB2E ACB2E
CCB2E CCB2E
LDBHE LDBHE
ACB1E ACB1E
FCBDF FCBDF
CCB1E CCB1E
CAB3E CAB3E
CABJE CABJE
KAB3E KAB3E
KABZE KABZE
CACJE CACJE
CABQE CABQE
KAB7E KAB7E
FCBXF FCBXF
ZBBWE ZBBWE
KACAE KACAE
ADB5F ADB5F
AAB1E AAB1E
NBBWE NBBWE
ADB4F ADB4F
ACB9E ACB9E
ACBYF ACBYF
CAB1E CAB1E
CDBFE CDBFE
CDB3E CDB3E
CCBZE CCBZE
ABBVF ABBVF
ACBXF ACBXF
CDBAE CDBAE
LDBFE LDBFE
CCBBE CCBBE
CACAE CACAE
SCBYF SCBYF
LCBIE LCBIE
LBBVF LBBVF
CDB5F CDB5F
CDB4F CDB4F
CCBIE CCBIE
LDB5F LDB5F
LEBBE LEBBE
LDB4F LDB4F
CCBYF CCBYF
NBBVF NBBVF
LCBBE LCBBE
KAB1E KAB1E
LEBCE LEBCE
LEBDE LEBDE
LCB9E LCB9E
CEBDE CEBDE
LEBAF LEBAF
AFBAF AFBAF
NDB4F NDB4F
MCBBF MCBBF
NDB5F NDB5F
LFBAE LFBAE
CEBCE CEBCE
NDBBF NDBBF
LDBBF LDBBF
NEBAF NEBAF
ACBBF ACBBF
LFBBE LFBBE
MCBFF MCBFF
CCBIF CCBIF
MCB9F MCB9F
LCBQE LCBQE
ABBUF ABBUF
ADB8F ADB8F
AAAFG AAAFG
ACB9F ACB9F
LCBKE LCBKE
CCB9F CCB9F
NDBCF NDBCF
LEDBF LEDBF
CCBBF CCBBF
CCBFF CCBFF
LDBDF LDBDF
AAAIG AAAIG
NDBEF NDBEF
LDB8F LDB8F
CAAFG CAAFG
NDBDF NDBDF
AFBCF AFBCF
LFBAF LFBAF
LFCBF LFCBF
ACBAF ACBAF
ACBVF ACBVF
LDBEF LDBEF
CCBVF CCBVF
CAAIG CAAIG
AAALG AAALG
LDBGF LDBGF
CAALG CAALG
LDBFF LDBFF
LFBCF LFBCF
CACEE CACEE
LFCEF LFCEF
AAAOG AAAOG
EEDFF EEDFF
LEDFF LEDFF
AAAPG AAAPG
AAAKG AAAKG
CCB6F CCB6F
LEDDF LEDDF
HEDFF HEDFF
CCB3F CCB3F
ACB8F ACB8F
CCB8F CCB8F
CAARG CAARG
NFBCF NFBCF
LDBIF LDBIF
CAAOG CAAOG
HDBFF HDBFF
EDBDF EDBDF
AEDHF AEDHF
NEDGF NEDGF
CAAPG CAAPG
AAARG AAARG
AAA8G AAA8G
CAATG CAATG
CAAKG CAAKG
CAA4G CAA4G
CAAZG CAAZG
HFCEF HFCEF
AAA9G AAA9G
ABBBG ABBBG
CAA7G CAA7G
LEDHF LEDHF
NEDHF NEDHF
NAARG NAARG
CAA9G CAA9G
NAA8G NAA8G
NAA9G NAA9G
TBACB TBACB
NAA4G NAA4G
TBABB TBABB
NAABG NAABG
CCBCF CCBCF
NAAPG NAAPG
TBAAB TBAAB
CAABG CAABG
HEDBF HEDBF
CCBGF CCBGF
HFCHF HFCHF
NAADG NAADG
CAAWG CAAWG
NAAWG NAAWG
NAAZG NAAZG
AAAWG AAAWG
ABAEB BA ABAEB BA
CBBBG CBBBG
LFBFF LFBFF
CBAEB BA CBAEB BA
NAAEG NAAEG
NAAFG NAAFG
NBAEB BA NBAEB BA
CBAJB BA CBAJB BA
NBAJB BA NBAJB BA
OBAJB BA OBAJB BA
OBALB BA OBALB BA
AAAEG AAAEG
CAAEG CAAEG
CBANB BA CBANB BA
NBALB BA NBALB BA
ABALB BA ABALB BA
ABANB BA ABANB BA
NBBBG NBBBG
NAAHG NAAHG
PCB8F PCB8F
CAAJG CAAJG
NBANB BA NBANB BA
NAAIG NAAIG
HAAEG HAAEG
NBAUB BA NBAUB BA
HAAIG HAAIG
 
20032004200520062007200820092010
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