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AMD Athlon
  AMD Athlon K7500MTR51B C
  AMD Athlon K7550MTR51B C
  AMD Athlon K7650MTR51B C
  AMD Athlon K7600MTR51B A
  AMD Athlon K7700MTR51B A
  AMD Athlon K7750MTR52B A
  AMD Athlon K7800MPR52B A
  AMD Athlon K7850MPR52B A
  AMD Athlon A0700MPR24B A
  AMD Athlon A0700APT3B
  AMD Athlon A0850AMT3B
  AMD Athlon A0900AMT3B
  AMD Athlon A1000AMT3B
  AMD Athlon A1100AMS3B
  AMD Athlon A1200AMS3C
  AMD Athlon A1300AMS3B
  AMD Athlon A1333AMS3C
  AMD Athlon A1400AMS3C
  AMD Athlon XP 1500+ AX1500DMT3C
  AMD Athlon XP 1600+ AX1600DMT3C
  AMD Athlon XP 1800+ AX1800DMT3C
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The AMD Athlon Processor
The Athlon made its debut on August 21, 1999. The original Athlon core revision, codenamed "K7", was available in speeds of 500 to 650 MHz at its introduction and was later sold at speeds up to 1000 MHz.
 
Internally, the Athlon was essentially a major reworking of the K6 processor core designed for compatibility with the EV6 bus protocol (first used on DEC's Alpha 21264 RISC processor). AMD dramatically improved the floating-point unit from the K6 and put a large 128K level 1 cache on the chip. Like on the Intel Pentium II there was 512k of secondary cache, mounted on the CPU module and running at a lower speed than the core.
The resulting processor was the fastest x86 in the world. Various different versions of the Athlon held this distinction continuously from August 1999 until January 2002.
 
References: AMD Athlon Tech Docs
AMD Athlon K7500MTR51B C
AMD Athlon K7500MTR51B C Top Side K7500MTR51B C
219941006462
AMD Athlon K7500MTR51B C Top Side
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Core Frequency:500 MHz
Board Frequency:100 MHz (x2)
Clock Multiplier:5.0
Data bus (ext.):64 Bit
Address bus:32 Bit
Transistors:22,000,000
Circuit Size:0.25
Core / I/O Voltage:1.6 / 3.3 V
Introduced:08/1999
Manufactured:week 41/1999
Made in:USA
L1 Cache:64+64 KB
L2 Cache:512 KB
CPU Code:K7 Argon
Package Type:SECC-242
Socket: Slot A
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AMD Athlon K7550MTR51B C
AMD Athlon K7550MTR51B C Top Side K7550MTR51B C
219947198734
AMD Athlon K7550MTR51B C Top Side
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Core Frequency:550 MHz
Board Frequency:100 MHz (x2)
Clock Multiplier:5.5
Data bus (ext.):64 Bit
Address bus:32 Bit
Transistors:22,000,000
Circuit Size:0.25
Core / I/O Voltage:1.6 / 3.3 V
Introduced:08/1999
Manufactured:week 47/1999
Made in:USA
L1 Cache:64+64 KB
L2 Cache:512 KB
CPU Code:K7 Argon
Package Type:SECC-242
Socket: Slot A
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AMD Athlon K7650MTR51B C
AMD Athlon K7650MTR51B C Top Side K7650MTR51B C
219937137114
AMD Athlon K7650MTR51B C Top Side
AMD Athlon K7650MTR51B C Back Side
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Core Frequency:650 MHz
Board Frequency:100 MHz (x2)
Clock Multiplier:6.5
Data bus (ext.):64 Bit
Address bus:32 Bit
Transistors:22,000,000
Circuit Size:0.25
Core / I/O Voltage:1.6 / 3.3 V
Introduced:08/1999
Manufactured:week 37/1999
Made in:USA
L1 Cache:64+64 KB
L2 Cache:512 KB
CPU Code:K7 Argon
Package Type:SECC-242
Socket: Slot A
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L2-Cache runs with 50% (up to 700 MHZ), 40% (up to 850 MHz) or 33% (up to 1000 MHz) of CPU speed
AMD Athlon K7600MTR51B A
AMD Athlon K7600MTR51B A Top Side K7600CURBBA
91993260507
9951FPAW
(m)(c)1999 AMD
AMD Athlon K7600MTR51B A Back Side
Athlon K75, built using AMD's aluminum 0.18-micron, six-layer metal, manufacturing process technology. You can see the die size in difference to a K7.

The K75 was codenamed 'Pluto' for the 550-850 MHz versions and 'Orion' for the 900 - 1000 MHz versions.
 
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Core Frequency:600 MHz
Board Frequency:100 MHz (x2)
Clock Multiplier:6.0
Data bus (ext.):64 Bit
Address bus:32 Bit
Transistors:22,000,000
Circuit Size:0.18
Core / I/O Voltage:1.6 - 1.8 / 3.3 V
Introduced:08/1999
Manufactured:week 51/1999
Made in:USA
L1 Cache:64+64 KB
L2 Cache:512 KB
CPU Code:K75 Pluto
Package Type:SECC-242
Socket: Slot A
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AMD Athlon K7700MTR51B A
AMD Athlon K7700MTR51B A Top Side K7700MTR51B A
210008524481
AMD Athlon K7700MTR51B A Top Side
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Core Frequency:700 MHz
Board Frequency:100 MHz (x2)
Clock Multiplier:7.0
Data bus (ext.):64 Bit
Address bus:32 Bit
Transistors:22,000,000
Circuit Size:0.18
Core / I/O Voltage:1.6 - 1.8 / 3.3 V
Introduced:08/1999
Manufactured:week 08/2000
Made in:USA
L1 Cache:64+64 KB
L2 Cache:512 KB
CPU Code:K75 Pluto
Package Type:SECC-242
Socket: Slot A
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AMD Athlon K7750MTR52B A
AMD Athlon K7750MTR52B A Top Side K7750MTR52B A
210027535592
AMD Athlon K7750MTR52B A Top Side
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Core Frequency:750 MHz
Board Frequency:100 MHz (x2)
Clock Multiplier:7.5
Data bus (ext.):64 Bit
Address bus:32 Bit
Transistors:22,000,000
Circuit Size:0.18
Core / I/O Voltage:1.6 - 1.8 / 3.3 V
Introduced:08/1999
Manufactured:week 27/2000
Made in:USA
L1 Cache:64+64 KB
L2 Cache:512 KB
CPU Code:K75 Pluto
Package Type:SECC-242
Socket: Slot A
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AMD Athlon K7800MPR52B A
AMD Athlon K7800MPR52B A Top Side K7800CPRBBA
91109620289
0006BPIW
(m)(c)1999 AMD
AMD Athlon K7800MPR52B A Back Side
AMD Athlon K7800MPR52B A Top Side
AMD Athlon K7800MPR52B A Back Side
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Core Frequency:800 MHz
Board Frequency:100 MHz (x2)
Clock Multiplier:8.0
Data bus (ext.):64 Bit
Address bus:32 Bit
Transistors:22,000,000
Circuit Size:0.18
Core / I/O Voltage:1.6 - 1.8 / 3.3 V
Introduced:08/1999
Manufactured:week 11/1999
Made in:USA
L1 Cache:64+64 KB
L2 Cache:512 KB
CPU Code:K75 Pluto
Package Type:SECC-242
Socket: Slot A
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AMD Athlon K7850MPR52B A
AMD Athlon K7850MPR52B A Top Side K7850MPR52B A
230014040882
AMD Athlon K7850MPR52B A Top Side
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Core Frequency:850 MHz
Board Frequency:100 MHz (x2)
Clock Multiplier:8.5
Data bus (ext.):64 Bit
Address bus:32 Bit
Transistors:22,000,000
Circuit Size:0.18
Core / I/O Voltage:1.6 - 1.8 / 3.3 V
Introduced:Feb. 11, 2000
Manufactured:week 14/2000
Made in:USA
L1 Cache:64+64 KB
L2 Cache:512 KB
CPU Code:K75 Pluto
Package Type:SECC-242
Socket: Slot A
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On June 4, 2000 AMD introduced an enhanced version of the Athlon processor, codenamed "Thunderbird". Fabricated using AMD's 0.18-micron process technology, the new core replaced the K75 chip's 512KB of off-die Level 2 cache by 256KB of cache integrated onto the die itself and running at the full clock speed of the processor. This is in contrast to the original Athlons that operated their L2 cache at a certain fraction of the core clock speed.
 
As well as boosting performance, moving the cache on-die also allowed AMD to follow Intel's lead in moving from slot-based processors in favour of a socket form factor - in AMD's case, a 462-pin format, named Socket A. Supporting PC133 memory, the enhanced Athlon processor was initially available in six speeds, from 750 MHz to 1 GHz, in both Slot A (albeit available to OEMs only) and the new Socket A packaging.
 
The last Athlon processors based on the Thunderbird core were released in the summer of 2001, by which time speeds had reached 1.4 GHz. Hereafter, the Athlon was to be replaced by the Athlon XP family based on the new Palomino core.
AMD Athlon A0700MPR24B A
AMD Athlon A0700MPR24B A Top Side AMD-A0700MPR24B A
710028056511
AMD Athlon A0700MPR24B A Top Side
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Core Frequency:700 MHz
Board Frequency:100 MHz (x2)
Clock Multiplier:7.0
Data bus (ext.):64 Bit
Address bus:32 Bit
Transistors:37,000,000
Circuit Size:0.18
Core / I/O Voltage:1.6 - 1.8 / 3.3 V
Manufactured:week 28/2000
Made in:USA
L1 Cache:64+64 KB
L2 Cache:256 KB
CPU Code:Athlon Thunderbird
Package Type:SECC-242
Socket: Slot A
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AMD Athlon A0700APT3B
AMD Athlon A0700APT3B Top Side
A0700APT3B
AFEA 0026MPMW
K0028450086
(m) (c) 1999 AMD
28822
AMD Athlon A0700APT3B Back Side
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Core Frequency:700 MHz
Board Frequency:100 MHz (x2)
Clock Multiplier:7.0
Data bus (ext.):64 Bit
Address bus:32 Bit
Transistors:37,000,000
Circuit Size:0.18
Voltage:1.7 V
Introduced:06/2000
Manufactured:week 28/2000
Made in:Malaysia
L1 Cache:64+64 KB
L2 Cache:256 KB
CPU Code:Athlon
Thunderbird
Package Type:Ceramic
FCPGA-469
Socket: A
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AMD Athlon A0850AMT3B
AMD Athlon A0850AMT3B Top Side
A0850AMT3B
AGGAR 0050FPMW
94259360661
(m) (c) 1999 AMD
27016
AMD Athlon A0850AMT3B Back Side
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Core Frequency:850 MHz
Board Frequency:100 MHz (x2)
Clock Multiplier:8.5
Data bus (ext.):64 Bit
Address bus:32 Bit
Transistors:37,000,000
Circuit Size:0.18
Voltage:1.75 V
Introduced:06/2000
Manufactured:week 50/2000
Made in:Malaysia
L1 Cache:64+64 KB
L2 Cache:256 KB
CPU Code:Athlon-B
Thunderbird
Package Type:Ceramic
FCPGA-469
Socket: A
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AMD Athlon A0900AMT3B
AMD Athlon A0900AMT3B Top Side
A0900AMT3B
AGGA 0052WPHW
94343550200
(m) (c) 1999 AMD
27016
AMD Athlon A0900AMT3B Back Side
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Core Frequency:900 MHz
Board Frequency:100 MHz (x2)
Clock Multiplier:9.0
Data bus (ext.):64 Bit
Address bus:32 Bit
Transistors:37,000,000
Circuit Size:0.18
Voltage:1.75 V
Introduced:06/2000
Manufactured:week 52/2000
Made in:Malaysia
L1 Cache:64+64 KB
L2 Cache:256 KB
CPU Code:Athlon-B
Thunderbird
Package Type:Ceramic
FCPGA-469
Socket: A
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AMD Athlon A1000AMT3B
AMD Athlon A1000AMT3B Top Side
A1000AMT3B
AJFA 0042MPMW
93276370268
(m) (c) 1999 AMD
26822
AMD Athlon A1000AMT3B Back Side
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Core Frequency:1000 MHz
Board Frequency:100 MHz (x2)
Clock Multiplier:10.0
Data bus (ext.):64 Bit
Address bus:32 Bit
Transistors:37,000,000
Circuit Size:0.18
Voltage:1.75 V
Introduced:06/2000
Manufactured:week 42/2000
Made in:Malaysia
L1 Cache:64+64 KB
L2 Cache:256 KB
CPU Code:Athlon-B
Thunderbird
Package Type:Ceramic
FCPGA-469
Socket: A
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AMD Athlon A1100AMS3B
AMD Athlon A1100AMS3B Top Side
A1100AMS3B
AYHA 0103APIW
94643460651
(m) (c) 1999 AMD
27016
AMD Athlon A1100AMS3B Back Side
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Core Frequency:1100 MHz
Board Frequency:100 MHz (x2)
Clock Multiplier:11.0
Data bus (ext.):64 Bit
Address bus:32 Bit
Transistors:37,000,000
Circuit Size:0.18
Voltage:1.75 V
Introduced:08/2000
Manufactured:week 03/2001
Made in:Malaysia
L1 Cache:64+64 KB
L2 Cache:256 KB
CPU Code:Athlon-B
Thunderbird
Package Type:Ceramic
FCPGA-469
Socket: A
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AMD Athlon A1200AMS3C
AMD Athlon A1200AMS3C Top Side
A1200AMS3C
AXIA 0123BPDW
96208560001
(m) (c) 1999 AMD
27016
AMD Athlon A1200AMS3C Back Side
In October 2000 the Athlon "C" was introduced, raising the mainboard front side bus speed to 133 MHz (FSB 266) and providing roughly 10% extra performance over the "B" model Thunderbird.
 
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Core Frequency:1200 MHz
Board Frequency:133 MHz (x2)
Clock Multiplier:9.0
Data bus (ext.):64 Bit
Address bus:32 Bit
Transistors:37,000,000
Circuit Size:0.18
Voltage:1.75 V
Introduced:10/2000
Manufactured:week 23/2001
Made in:Malaysia
L1 Cache:64+64 KB
L2 Cache:256 KB
CPU Code:Athlon-C
Thunderbird
Package Type:Ceramic
FCPGA-469
Socket: A
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AMD Athlon A1300AMS3B
AMD Athlon A1300AMS3B Top Side
A1300AMS3B
AXIA 0107CPBW
Y6024930184
(m) (c) 1999 AMD
27016
AMD Athlon A1300AMS3B Back Side
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Core Frequency:1300 MHz
Board Frequency:100 MHz (x2)
Clock Multiplier:13.0
Data bus (ext.):64 Bit
Address bus:32 Bit
Transistors:37,000,000
Circuit Size:0.18
Voltage:1.75 V
Introduced:03/2001
Manufactured:week 07/2001
Made in:Malaysia
L1 Cache:64+64 KB
L2 Cache:256 KB
CPU Code:Athlon-C
Thunderbird
Package Type:Ceramic
FCPGA-469
Socket: A
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AMD Athlon A1333AMS3C
AMD Athlon A1333AMS3C Top Side
A1333AMS3C
AYHJA 0123APBW
Y6440540066
(m) (c) 1999 AMD
27016
AMD Athlon A1333AMS3C Back Side
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Core Frequency:1333 MHz
Board Frequency:133 MHz (x2)
Clock Multiplier:10.0
Data bus (ext.):64 Bit
Address bus:32 Bit
Transistors:37,000,000
Circuit Size:0.18
Voltage:1.75 V
Introduced:03/2001
Manufactured:week 23/2001
Made in:Malaysia
L1 Cache:64+64 KB
L2 Cache:256 KB
CPU Code:Athlon-C
Thunderbird
Package Type:Ceramic
FCPGA-469
Socket: A
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AMD Athlon A1400AMS3C
AMD Athlon A1400AMS3C Top Side
A1400AMS3C
AYHJA 0120MPM
40B62530136
(m) (c) 1999 AMD
27016
AMD Athlon A1400AMS3C Back Side
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Core Frequency:1400 MHz
Board Frequency:133 MHz (x2)
Clock Multiplier:10.5
Data bus (ext.):64 Bit
Address bus:32 Bit
Transistors:37,000,000
Circuit Size:0.18
Voltage:1.75 V
Introduced:06/2001
Manufactured:week 20/2001
Made in:Malaysia
L1 Cache:64+64 KB
L2 Cache:256 KB
CPU Code:Athlon-C
Thunderbird
Package Type:Ceramic
FCPGA-469
Socket: A
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AMD released the Athlon XP ("eXtra Performance") on May 14, 2001, codenamed "Palomino". This Athlon version, the first to include the SSE instruction set from the Intel Pentium III as well as AMD's 3DNow! Professional, was introduced at speeds between 1333 and 1733 MHz. The major changes were optimizations to the core design to increase efficiency by roughly 10% over a Thunderbird at the same clock-speed, and power consumption reductions to allow it to be clocked faster.
 
The "Palomino" was first released as a mobile version, called the Mobile Athlon 4 (also codenamed "Corvette"), after the fact that it was AMD's fourth core to be called Athlon (after the original K7, the 0.18 K75, and the Thunderbird), but many people noted that the name was most likely a jab at the then-brand-new Intel Pentium 4. The desktop Athlon XP followed a few months later, in October.
 
The Athlon XP was marketed using a PR rating system, which compared its performance to a Thunderbird. Because the XP has much higher IPC (instructions per clock) than the Pentium 4 (and about 10% higher than a Thunderbird), it is more efficient and delivers the same level of performance at a lower clock-speed, or higher performance at the same speed.
AMD Athlon XP 1500+ AX1500DMT3C
AMD Athlon XP 1500+ AX1500DMT3C Top Side
AX1500DMT3C
AGNGA 0150MPMW
K0107430660
(m) (c) 1999 AMD
27111
AMD Athlon XP 1500+ AX1500DMT3C Back Side
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Core Frequency:1333 MHz
Board Frequency:133 MHz (x2)
Clock Multiplier:10.0
Data bus (ext.):64 Bit
Address bus:32 Bit
Transistors:37,500,000
Circuit Size:0.18
Voltage:1.75 V
Introduced:10/2001
Manufactured:week 50/2001
Made in:Malaysia
L1 Cache:64+64 KB
L2 Cache:256 KB
CPU Code:Athlon XP
Palomino
Package Type:Plastic
OPGA-469
Socket: A
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AMD Athlon XP 1600+ AX1600DMT3C
AMD Athlon XP 1600+ AX1600DMT3C Top Side
AX1600DMT3C
AGKGA0134XPOW
Y6815050341
(m) (c) 1999 AMD
27111
AMD Athlon XP 1600+ AX1600DMT3C Back Side
add comment
Core Frequency:1400 MHz
Board Frequency:133 MHz (x2)
Clock Multiplier:10.5
Data bus (ext.):64 Bit
Address bus:32 Bit
Transistors:37,500,000
Circuit Size:0.18
Voltage:1.75 V
Introduced:10/2001
Manufactured:week 34/2001
Made in:Malaysia
L1 Cache:64+64 KB
L2 Cache:256 KB
CPU Code:Athlon XP
Palomino
Package Type:Plastic
OPGA-469
Socket: A
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AMD Athlon XP 1800+ AX1800DMT3C
AMD Athlon XP 1800+ AX1800DMT3C Top Side
AX1800DMT3C
AGNGA 0152CPIW
Y7494340692
(m) (c) 1999 AMD
27111
AMD Athlon XP 1800+ AX1800DMT3C Back Side
add comment
Core Frequency:1533 MHz
Board Frequency:133 MHz (x2)
Clock Multiplier:11.5
Data bus (ext.):64 Bit
Address bus:32 Bit
Transistors:37,500,000
Circuit Size:0.18
Voltage:1.75 V
Introduced:10/2001
Manufactured:week 52/2001
Made in:Malaysia
L1 Cache:64+64 KB
L2 Cache:256 KB
CPU Code:Athlon XP
Palomino
Package Type:Plastic
OPGA-469
Socket: A
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