AMD Athlon XP-M 2800+

AMD Athlon XP-M 2800+ is a single-core mobile processor from AMD’s 2000 series, built on the K7 architecture with the Barton codename. It operates at a base clock of 2.13 GHz, features 128 KB of L1 cache and 512 KB of L2 cache, and is manufactured on a 130 nm process with 63 million transistors and a die size of 101 mm². With a TDP of 55 watts, it targets the mobile market segment, and its production status is end-of-life, having been released on 2004-07-12. The processor has no benchmark scores recorded, holds a 50th percentile rank among all CPUs, and has no nearest rivals listed in the data.

Who Should Consider It

The AMD Athlon XP-M 2800+ is positioned for users who need a capable single-threaded mobile processor from the early 2000s. Given its single core and single thread, the data indicates it is best suited for workloads that rely on sequential processing rather than parallel execution. Office tasks such as word processing, spreadsheet management, and web browsing from that era would fall within its operational scope, as these activities typically depend on single-thread performance. The 2.13 GHz base clock provides a reasonable foundation for such applications, though the lack of a boost clock means performance is fixed at that frequency.

For gaming, the Athlon XP-M 2800+ could handle titles from its contemporary period, but the single-core design limits its ability to run more demanding modern games that often require multiple threads. The 50th percentile ranking suggests it sits exactly in the middle of the CPU performance distribution, meaning it is neither a standout performer nor a laggard. Users considering this processor for creation workloads like video editing or 3D rendering should note that those tasks frequently benefit from multi-threading, which this chip cannot offer. The processor’s 512 KB of L2 cache helps reduce memory latency for repeated data access, which can slightly benefit single-threaded applications.

The multiplier is unlocked, which indicates that overclocking is possible, potentially extending the processor’s usefulness for enthusiasts who have compatible Socket A motherboards. However, with no benchmark scores available, objective performance comparisons are absent, so recommendations rely on architectural characteristics rather than measured results. The mobile segment designation implies it was designed for laptops and portable systems, where power efficiency and heat dissipation are critical factors. The 55-watt TDP class makes it suitable for thin-and-light notebooks of that generation, but not for high-performance desktop replacement units that might require more thermal headroom.

Single-Thread vs Multi-Thread Behavior

The Athlon XP-M 2800+ has exactly one core and one thread, so all processing is inherently single-threaded. This means the processor cannot execute multiple tasks simultaneously at the hardware level, and any concurrency must be handled by the operating system through time-slicing. The base clock of 2.13 GHz is the sole operating frequency, and there is no boost clock to temporarily increase performance under load. For workloads that are purely sequential, such as legacy spreadsheet calculations or early 2000s productivity software, this fixed clock speed provides consistent and predictable performance.

Multi-threaded workloads, such as database queries with parallel execution plans or modern video encoding, would see significant degradation because the single thread becomes a bottleneck. The 128 KB of L1 cache is split between instructions and data, which helps feed the execution pipeline efficiently, while the 512 KB of L2 cache acts as a secondary buffer for frequently used data. The K7 architecture with Barton codename is known for its balanced cache hierarchy, but the lack of multiple cores means the processor cannot leverage thread-level parallelism. In an era where dual-core processors were emerging, this chip’s single-thread focus places it below multi-core rivals in multi-threaded benchmarks, though the data provides no specific rival scores to quantify the gap.

The 50th percentile ranking across all CPUs suggests that in mixed workloads, this processor performs at the median level. For users running single-threaded applications, the 2.13 GHz clock is a solid baseline, but for any task that splits into multiple threads, the processor will likely lag behind chips with more cores. The unlocked multiplier offers a path to raise the clock speed, which directly benefits single-thread performance, but this does not address the fundamental lack of parallel execution capability. The data implies that users should match this processor to workloads that respect its single-thread nature, such as legacy software or light productivity tasks, rather than expecting it to handle modern multi-threaded applications efficiently.

Power and Thermals

The Athlon XP-M 2800+ is rated with a thermal design power (TDP) of 55 watts, which classifies it as a low-to-moderate power consumer for its era. This TDP level is typical for mobile processors designed to balance performance with battery life and thermal constraints. The 130 nm process node is relatively large by modern standards, which influences both power draw and heat generation, but the 55-watt TDP suggests that a capable air cooler designed for Socket A mobile systems would suffice. The die size of 101 mm² and 63 million transistors provide context for the chip’s physical characteristics, though the data does not specify cooling requirements beyond the TDP.

Given the mobile market segment, the processor was likely paired with cooling solutions optimized for laptop chassis, where space is limited and airflow is restricted. The 55-watt TDP implies that a heatsink with a small fan or a heat pipe assembly could manage the thermal output, but sustained heavy loads might require careful thermal management. The unlocked multiplier could enable overclocking, which would increase power consumption and heat generation beyond the 55-watt baseline, necessitating a more robust cooling solution than the stock setup. The production status is end-of-life, meaning no new units are manufactured, so users must rely on existing cooling solutions from compatible Socket A systems.

The data does not specify any thermal throttling mechanisms or maximum operating temperatures, so the analysis relies on the TDP as the primary thermal indicator. Compared to desktop processors of the same generation that often had higher TDPs, the Athlon XP-M 2800+’s 55-watt rating makes it a more efficient choice for portable computing. The lack of an integrated graphics unit means the processor itself generates less heat than chips with built-in GPU cores, as graphics processing is handled by external components on certain motherboards. Overall, the power and thermal profile is manageable with standard mobile cooling, but overclocking would require additional consideration.

FAQ

Q: What is the base clock speed of the AMD Athlon XP-M 2800+?

A: The base clock speed is 2.13 GHz, and there is no boost clock available, so the processor operates at this fixed frequency.

Q: How many cores and threads does this processor have?

A: It has 1 core and 1 thread, making it a purely single-threaded processor.

Q: What cache sizes are available on this chip?

A: The L1 cache is 128 KB, and the L2 cache is 512 KB, with no L3 cache present.

Q: What is the TDP of the Athlon XP-M 2800+?

A: The TDP is rated at 55 watts, which is considered low-to-moderate for mobile processors of its time.

Q: When was this processor released?

A: It was released on 2004-07-12, and its production status is end-of-life.

Q: Is the multiplier unlocked on this processor?

A: Yes, the multiplier is unlocked, allowing for potential overclocking on compatible Socket A motherboards.

Benchmark Performance

The AMD Athlon XP-M 2800+ has no recorded benchmark scores in the data, with an average benchmark score of 0. This absence of measured performance makes direct quantitative comparisons impossible, but the 50th percentile rank against all CPUs provides a relative positioning. Being at the 50th percentile means that half of all CPUs in the database perform better and half perform worse, indicating a median performance level. The processor’s single-core, single-thread configuration, combined with a 2.13 GHz base clock and 512 KB of L2 cache, suggests that its real-world performance would be competitive with other mid-range processors from the 2004 mobile segment.

The nearest rivals list is empty, so there are no specific deltaPct values or rival names to reference for exact percentage differences. However, the architectural details—K7 architecture, Barton codename, and 130 nm process—position this chip as a mature implementation of AMD’s mobile line. The 63 million transistors and 101 mm² die size indicate a relatively complex design for its era, which could translate to efficient instruction execution per clock cycle. Without benchmark data, the 50th percentile ranking serves as the only quantitative performance indicator, and it suggests that the processor is neither exceptional nor deficient compared to the broader CPU landscape.

The lack of boost clock means performance is consistent under all conditions, which can be an advantage for workloads that require predictable timing. In contrast, processors with boost clocks may vary their performance based on thermal and power headroom. The unlocked multiplier offers a performance lever for users who are willing to overclock, potentially pushing the processor above its 2.13 GHz baseline, though the resulting performance gains would depend on the cooling solution and motherboard capabilities. The data provides no evidence of how this processor stacks against specific rivals, so any performance claims beyond the percentile rank are speculative.

Platform and Compatibility

The AMD Athlon XP-M 2800+ uses the AMD Socket A interface, which is a well-established platform from the early 2000s. The processor supports no memory specifications listed in the data, meaning memory type, bus width, and bandwidth are not defined. It does not support ECC memory, which limits its use in error-critical applications like servers or scientific computing. PCIe support is not specified, indicating that the chip predates or does not natively support the PCIe standard, relying instead on older bus technologies typical of Socket A motherboards. Integrated graphics are available only on certain motherboards as a chipset feature, meaning the processor itself does not contain a GPU.

The architectural foundation is K7 with the Barton codename, and the process node is 130 nm with 63 million transistors and a die size of 101 mm². The processor is part of the 2000 series and the Athlon XP (Barton) generation, which places it in a specific lineage of AMD mobile processors. The socket compatibility restricts upgrades to Socket A motherboards, which were common in laptops and compact desktops from 2004. The unlocked multiplier provides flexibility for tuning, but the overall upgrade path is limited by the end-of-life production status and the aging socket standard.

The part number is AXMJ2800FHQ4C, and the processor was released on 2004-07-12. The market segment is mobile, emphasizing its intended use in portable systems. The lack of memory support details means that users must consult motherboard specifications for compatible RAM types, which could include DDR or SDRAM depending on the chipset. The absence of PCIe support suggests that expansion slots on compatible motherboards would use AGP or PCI interfaces, which are older standards. Overall, the platform is dated but functional for its intended era, with the Socket A ecosystem providing a range of motherboard options.

How It Compares

The nearest rivals list is empty, so there are no direct competitor comparisons available in the data. This absence means that the Athlon XP-M 2800+ cannot be quantitatively positioned against specific processors using deltaPct values or rival names. The 50th percentile rank provides a general sense of standing, but without named rivals, the analysis must rely on architectural characteristics alone. The single-core design contrasts with any multi-core contemporaries that might exist in the database, but no specific scores are provided to illustrate the difference.

Given the lack of rivals, the processor’s performance is best understood through its own specifications: a 2.13 GHz base clock, 512 KB of L2 cache, and 55-watt TDP. These figures suggest a mid-tier mobile processor from 2004, capable of handling everyday tasks but not designed for heavy multi-tasking. The unlocked multiplier is a notable feature that could appeal to enthusiasts seeking to extract additional performance, but the end-of-life status means that software and driver support may be limited. The data does not include any rival scores, so any comparison would be purely speculative, and the neutral analysis must acknowledge this absence.

For users considering this processor in a modern context, the 50th percentile rank implies that it falls in the middle of all CPUs, but the lack of benchmark scores makes this rank an abstract metric. The processor’s single-thread focus means it would likely underperform in multi-threaded workloads compared to modern multi-core chips, but again, no rival data exists to quantify this. The platform compatibility with Socket A is a limiting factor, as this socket is obsolete, and the memory support is unspecified, further constraining practical usage. The processor remains a historical artifact of AMD’s mobile line, and its performance characteristics are defined more by its architecture than by any measurable benchmark results.