AMD CPU Basics 
As the competitor of Intel CPU, AMD has been gradually gaining market share in the DIY market. It is believed that you can get a AMD CPU that just as fast as a Intel one but with a lower price.
Athlon XP has 4 different types of core, all with socket A and PR number
Palomino:
This is the oldest Athlon XP core, all Athlon XP Palomino CPUs had 266 MHz bus speed, and were manufactured using 0.18 micron technology. L2 cache is 256KB and FSB is 266MHz. Core voltage is around 1.65V.
Thoroughbred:
Next revision of Athlon XP core, called Thoroughbred, was manufactured on newer 0.13 micron technology, and as a result,had smaller die size and lower power dissipation than the Palomino core. Bus speed of some Thoroughbred processors was increased to 333 MHz. The core voltage is from 1.65V - 1.75V.
Barton:
Bus speed of Athlon XP family was increased with the introduction of Barton core. In addition to faster bus speed the Barton core also had twice as much L2 cache memory - 512 KB. Athlon XP Barton CPUs were manufactured using the 0.13 micron technology. Core voltage is around 1.65V.
Thorton:
Thorton is the last Athlon XP core and it is the same as the Barton core with L2 cache size slashed in half - from 512 Kb to 256 Kb. Core voltage is again around 1.65V.
AMD Sempron Core - Paris and Palermo
Paris:
Paris is the successor of the Barton core. It is manufactured using 90nm micron technology and it supports iSSE2. It usually has a 256KB L2 cache and 200MHz external clock.
Palermo:
Palerom is manufactured using 90nm micron technology, with 1.4V core voltage, 200MHz external clock, and 128KB or 256KB L2 cache. The E6 version supports 64bit. It supports EVP, Cool'n'Quiet and HyperTransport that AMD holds exclusively.
Athlon 64 Core: Sledgehammer, Clawhammer, Newcastle, Winchester, Troy, Venice, SanDiego and Toledo...etc.
AMD AM2:Manilla, Orelans and Windsor
All socket AM2 processors will be built with DDR2 memory controller. It supports the highest to DDR2 667. The dual core athlon 64 X2 series and FX-62 will have 1MB*2 or 512KB*2 L2 cache while Athlon 64 has 512KB of L2 cache and Sempron only has 256KB.
Athlon 64 X2 4000+ (65nm, 2.1GHz, 65W, 1MB total dedicated L2 cache, 2000MHz HyperTransport bus, socket AM2)
Athlon 64 X2 4200+ (2.2GHz, 89W and 65W, 1MB total dedicated L2 cache, 2000MHz HyperTransport bus, AM2 and 939)
Athlon 64 X2 4200+ (2.2GHz, 65W, 1MB total dedicated L2 cache, 2000MHz HyperTransport bus, socket AM2)
Athlon 64 X2 4400+ (65nm, 2.3GHz, 65W, 1MB total dedicated L2 cache, 2000MHz HyperTransport bus, socket AM2)
Athlon 64 X2 4800+ (65nm, 2.5GHz, 65W, 1MB total dedicated L2 cache, 2000MHz HyperTransport bus, socket AM2)
Athlon 64 X2 5000+
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Weekly Tip
14.10.2007
By default, your virtual memory is in your C drive. It is better to move it to another partition, suhc as D or E. To change it, right click on "my computer" and select properties, click on advanced tab, go to the first settings tab, select 'advanced' tab again. Here you will be able to change the path to your virtual memory.
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