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The Athlon XP 1500+ is the slowest standard desktop version of the Athlon XP. It was released on October 9th, 2001 along with the 1600+, 1700+ and 1800+ models. The Athlon XP succeeded the standard Athlon 'Thunderbird'. The Athlon XP 1500+ I have is from the 41th week of 2001; that's 8 to 14th October so this CPU was manufactured in the week when AMD announced it making it an early production model.

This particular Athlon XP has a brown packaging. I also have one with the green packaging. There is no difference in the packaging except for the color. However, not all Athlon XP's are 100% identical in terms of overclocking. On the 'die' this CPU reads AGKGA as 'stepping code'. Palomino's came in different kind of steppings in which AGOIA, AROIA and AROGA should usually be the ones that overclock better than AGKGA. > Read more

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The AMD Athlon MP is basically a regular AMD Athlon XP but with multiprocessor capability. The 1200MHz is the second slowest Athlon MP around and was launched on Junt 5th, 2001 along with the 1000MHz version. It is also the first multiprocessor setup AMD released. Previous Athlon's or K6 CPU's could only run in single socket systems.

Because the Athlon MP shares the same core as the Athlon XP it is possible to modify Athlon XP's to run at Athlon MP CPU. By closing the fourth L5 bridge (the bridge closest to L5-text). > Read more

Very much like the the 950MHz model but running at the magical 1GHz clock-frequency. All in all a nice Palomino CPU that had good performance. However, Intel still had the leading edge in the mobile platform market: the Pentium III Mobile at 1GHz used less than half of the energy and thus was far more suitable in laptop systems. > Read more

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What are the odds? I've bought this Mobile Athlon 4 950 in a lot and it's identical to my other Athlon 4 950 for almost every detail! It's cut from the same wafer at the same date. Both CPU's rolled of the assembly line, got sold off and spread out into the world and got reunited many years after . However, I doubt that both CPU's have ever been used because they look too untamed and too factory-fresh. > Read more

The slowest Athlon XP desktop model (clocked at 1333MHz and rated 1500+). It runs cooler than it's predecessor, the Athlon 'Thunderbird', it can process SSE instructions and has a higher IPC (Instructions per Clockcycle).

However, an Athlon 1400 can perform better in several situations because the little performance improvements of the Athlon XP 1500+ (1333MHz) can't make up for 66MHz . > Read more

Released on October 9th, 2001 along with the 1500+, 1600+ and 1700+ models. At that time it was AMD's fastest desktop CPU until the 1900+ was released on November the 5th.

The release of the Athlon XP was big news for the computer enthusiasts: it marked a new era for AMD. It was a decent and fast CPU and often outperformed the Pentium 4 while being cheaper as well. It's only real drawback were the bad designed cooling solutions (and system integrators that didn't care for a case-fan) which were noisy. > Read more

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Technically the Palomino core (used in this CPU) is the fourth iteration of AMD Athlon CPU's. It has been optimized and uses 20% less power (and thus 20% less heat).

The Mobile Athlon 4 is the first series to use the, then new, Palomino core. Some sources indicate it was called Corvette rather than Palomino. > Read more

This 2100+ is the fastest Athlon XP that is based on the Palomino core. The 2200+ with Thoroughbred core, which is made using 130nm technology and thus cooler and cheaper to manufacture, was launched on June 10th of 2002. At the time this 2100+ was build (31th week of 2002) the Thoroughbred just hit the shelves. > Read more

The 1900+ was launched in November 2001 and was clearly one of the fastest x86 CPU's at it's time. The 1800+ is clearly ahead on the Pentium 4 2000 (Willamette) and so is the 1900+, too.

Technically it's pretty much like the 1600+ model but a tad faster.

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Pretty much like the 1600+ model but 66MHz (100+) faster. > Read more

The Mobile Athlon 4 is the technically an Athlon XP because they both have the 'Palomino' core. In this case the Athlon 4 runs a bit slower than normal Athlon XP's because it's a mobile CPU. Lower clock frequencies mean lower voltages and thus less heat output. > Read more

The first desktop CPU's using AMD's 'Quantispeed' architecture. Otherwise said: we are dealing with a 'Palomino' core.

AMD claims the AMD Athlon XP is faster per MHz comparing with the regular AMD Athlon 'Thunderbird'. The AMD Athlon XP at 1400MHz has model number 1600+ and should be as fast as an AMD Athlon 'Thunderbird' at 1600MHz. Unfortunatly I don't have an 1400MHz Athlon to compare but by looking at the 1000MHz Athlon I can say the Athlon XP is faster per MHz. Some benchmarks are quite a lot faster but the fact that the Athlon 'Thunderbird' doesn't have SSE plays a role, too. Besides being faster the AMD Athlon XP runs cooler as well. A 1733MHz AMD Athlon XP 2100+ will consume almost exact as much energy as the 1400MHz AMD Athlon 'Thunderbird'.

The CPU on the picture shows some discoloration. The previous owner probably ran it in a hot environment or didn't use much cooling. Luckily the AMD Athlon XP is known to run very well in hot conditions so I'm sure the CPU didn't suffer a lot . > Read more