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AMD Athlon processor
CPU » K7 family » Athlon

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Athlon (Slot A)
• » K7 microarchitecture
• » Desktop CPU
• » Up to 1 GHz
• » Up to 512 KB L2 cache
• » 200 MHz FSB
Slot A Athlon
• » K7 microarchitecture
• » Desktop CPU
• » Up to 1.4 GHz
• » 256 KB L2 cache
• » 200 and 266 MHz FSB
Socket A (462) Duron
• » Budget CPU
• » Up to 1.8 GHz
• » 64 KB L2 cache Athlon XP
• » K7 microarchitecture
• » Desktop CPU
• » Up to 2.33 GHz
• » Up to 512 KB L2 cache
• » Up to 400 MHz FSB
• » SSE instructions
• » 32-bit
Socket A (462)
AMD Athlon processor family is a line of high-performance processors based on AMD K7 architecture. Earlier Athlon processors with backside L2 cache were produced in a Card Module package. With the introduction of a Thunderbird core, which added on-die 256 KB L2 cache, it became possible to package the processors into smaller and cheaper PGA package. Because the L2 cache on Thunderbird Athlon CPUs is running at the same speed as the processors, T-Bird Athlons are faster than slot A Athlons with their slower L2 cache. Performance of Athlon microprocessors was improved even further when the frequency of the Front Side Bus was increased from 200 to 266 MHz. The fastest processors from the AMD Athlon CPU family are 1.4 GHz A1400AMS3C with 266 MHz front side bus (FSB) and 1.4 GHz A1400AMS3B with 200 MHz FSB.
Athlon line of processors was replaced with AMD Athlon XP processor family.

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At a glance
Type:
32-bit microprocessor
Frequency (MHz):
600 - 1400
L2 cache size (KB):
256
Bus speed (MHz):
200 - 266
Sockets:
Socket A




FSB 200MHz FSB 266MHz Fastest
• Production parts
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AMD Athlon 600 - A0600AMT3B
AMD Athlon 650 - A0650AMT3B
AMD Athlon 650 - A0650APT3B
AMD Athlon 700 - A0700AMT3B
AMD Athlon 700 - A0700APT3B
AMD Athlon 750 - A0750AMT3B
AMD Athlon 750 - A0750APT3B

750 MHz
Staggered ceramic PGA (Socket A/Socket 462)
AMD Athlon 800 - A0800AMT3B
AMD Athlon 800 - A0800APT3B
AMD Athlon 850 - A0850AMT3B

850 MHz
200 Mhz bus speed
Staggered ceramic PGA (Socket A/Socket 462)
AMD Athlon 850 - A0850APT3B

850 MHz
200 Mhz bus speed
Staggered ceramic PGA (Socket A/Socket 462)

Engineering sample

For each speed grade there were two versions of Athlon Thunderbird A processors with different core voltages. The processors with 'M' in the part number (like A0850AMT3B) had 1.75 core voltage. The processor with 'P' part numbers - like this A0850APT3B CPU - had core voltage 1.7 Volt. Due to lower core voltage, this processor war running slightly cooler that A0850AMT3B.
AMD Athlon 900 - A0900AMT3B

900 MHz
200 Mhz bus speed
Staggered ceramic PGA (Socket A/Socket 462)
AMD Athlon 900 - A0900APT3B
AMD Athlon 900 - A0900DMT3B
AMD Athlon 950 - A0950AMT3B

950 MHz
Staggered ceramic PGA (Socket A/Socket 462)
AMD Athlon 950 - A0950APT3B
AMD Athlon 950 - A0950DMT3B
AMD Athlon 1000 - A1000AMS3B
AMD Athlon 1000 - A1000AMS3C
AMD Athlon 1000 - A1000AMT3B

1000 MHz
200 Mhz bus speed
Staggered ceramic PGA (Socket A/Socket 462)
AMD Athlon 1000 - A1000AMT3C
AMD Athlon 1000 - A1000APT3B
AMD Athlon 1000 - A1000DMT3B

1000 MHz
200 Mhz bus speed
Staggered organic PGA (Socket A/Socket 462)

This AMD Athlon 1000 microprocessor is quite different from other Thunderbird CPUs. This processor it packaged into organic Pin Grid Array package - that package became common in the next generation of Athlon XP microprocessors. Judging by the 26876 package number we can assume that this is one of the earliest versions of organic PGA packages. For comparison - the earliest Athlon XP packages are marked as 27100.
AMD Athlon 1000 - A1000DMT3C

1000 MHz
266 Mhz bus speed
Staggered organic PGA (Socket A/Socket 462)

Engineering sample
AMD Athlon 1100 - A1100AMS3B

1100 MHz
200 Mhz bus speed
Staggered ceramic PGA (Socket A/Socket 462)
AMD Athlon 1100 - A1100AMT3B
AMD Athlon 1133 - A1133AMS3C

1133 MHz
266 Mhz bus speed
Staggered ceramic PGA (Socket A/Socket 462)

All AMD Athlon processors, except the earlier ones, have 4 rubber pads located in package corners. The purpose of these pads is to prevent die substrate damage during installation of the fan/heatsink. Without the pads the die substrate could be easily cracked or chipped when a heatsink, which is not properly aligned to (not parallel to) die surface, is pushed down. The pads do not allow significant tilting of the heatsink, but even they cannot protect the die when excessive force is applied to the heatsink. Die substrate of this CPU shows typical damage which was caused by incorrect heatsink installation.
AMD Athlon 1200 - A1200AMS3B

1200 MHz
200 Mhz bus speed
Staggered ceramic PGA (Socket A/Socket 462)
AMD Athlon 1200 - A1200AMS3C
AMD Athlon 1266 - A1266AMS3C
AMD Athlon 1300 - A1300AMS3B

1300 MHz
200 Mhz bus speed
Staggered ceramic PGA (Socket A/Socket 462)
AMD Athlon 1300 - A1300APS3B
AMD Athlon 1333 - A1333AMS3C

1333 MHz
266 Mhz bus speed
Staggered ceramic PGA (Socket A/Socket 462)
AMD Athlon 1400 - A1400AMS3B
AMD Athlon 1400 - A1400AMS3C


The fastest Athlon processor with Thunderbird core. This is the best upgrade choice if your motherboard supports only Thunderbird core, and has support for 266 MHz FSB. As this CPU has 266 Mhz front-size bus, it is on average 10% faster that Athlon 1400 with 200 MHz FSB. As of now (May 2006) they are still much easier to find than Athlon 1400 with 200 MHz FSB.
Last modified: 28 Jul 2009


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