AMD Athlon 64 2850e

The AMD Athlon 64 2850e is a desktop processor from the 2000 series, built on the K8 architecture with the Lima codename. It is a single-core, single-thread part running at a base clock of 1800 MHz, with no boost clock available. The database records an average benchmark score of 0 and places it at the 50th percentile among all CPUs. This percentile suggests a median position in the overall distribution, though the zero score indicates that no benchmark entries exist for this processor, making the percentile a relative ranking rather than a measured performance result. The part is manufactured on a 65 nm process with 122 million transistors on a 77 mm² die, and it was released in 2008.

Who Should Consider It

The 2850e's specification set is minimal by modern standards. With 1 core and 1 thread, it is strictly a single-tasking processor. The 1800 MHz base clock and 512 KB L2 cache (along with 128 KB L1) provide enough compute for basic office tasks such as document editing, spreadsheet management, and web browsing. The lack of integrated graphics on the CPU – graphics are only available as a chipset feature on certain motherboards – means a discrete GPU is required for any display output. This adds cost and complexity, making the processor less attractive for basic systems. For gaming, the single core and modest clock will severely limit performance; no benchmark scores are recorded, so there is no empirical evidence of gaming capability, but the architecture is not designed for modern titles. Creation workloads such as video editing, 3D rendering, or software compilation are not viable due to the single thread. The 22 W TDP is a defining trait, suggesting the processor is intended for low-power desktop systems, possibly for always-on servers or thin clients. The 50th percentile ranking across all CPUs indicates it sits at the median of the database's distribution, but with an average score of 0, it is effectively unmeasured. Consider this processor only for legacy systems, basic file servers, or educational projects where low power consumption is prioritized over performance. The 65 nm process and 122 million transistor count are modest, aligning with the low-power positioning. The 77 mm² die size further reinforces the efficiency focus. For users with a motherboard already supporting AM2, the 2850e can serve as a drop-in replacement for a failed higher-power part, provided the workload remains light.

Platform and Compatibility

The processor fits into AMD Socket AM2, a platform that is now end-of-life. Memory support is limited to DDR2, with a dual-channel memory bus. The absence of a memory bandwidth figure means the actual throughput is not quantified in the database, but dual-channel DDR2 is a standard configuration for the era. PCIe Gen 2 is supported, which allows for a range of expansion cards, though the platform's age limits the availability of modern peripherals. The integrated graphics are not part of the CPU; they are a chipset feature on certain motherboards, meaning the choice of motherboard determines whether any video output exists. ECC memory is not supported, so error-correcting memory cannot be used. The multiplier is locked, preventing overclocking via multiplier adjustments. The part number is ADJ2850IAA4DP. The processor is built on a 65 nm process with 122 million transistors on a 77 mm² die. The release date is in 2008, and the production status is end-of-life, so new units are not available. The upgrade path is constrained to other AM2 processors, but the end-of-life status means the platform is obsolete. The dual-channel memory bus is a notable feature for the time, but without a bandwidth number, its practical impact cannot be quantified. The PCIe Gen 2 support is a generation behind current standards, yet it remains sufficient for basic expansion cards. The lack of ECC support means this is not suitable for error-sensitive server workloads. The locked multiplier is a limitation for enthusiasts, but given the 22 W TDP, overclocking would be counterproductive to the power efficiency goal. The 65 nm process is a mature node, and the 122 million transistors reflect a simple design that contributes to the low power draw.

Power and Thermals

The TDP is rated at 22 W, which is exceptionally low for a desktop processor. This low power envelope is a direct result of the 65 nm process and the modest transistor count of 122 million. The 77 mm² die size further contributes to efficient heat dissipation. With a TDP of 22 W, a passive cooler or a small low-profile air cooler is sufficient. The data implies that the processor can operate in fanless configurations in well-ventilated enclosures. The lack of a boost clock means the 1800 MHz base clock is the maximum sustained frequency, so there is no thermal headroom for transient boosts. The cooling tier required is minimal – a basic heatsink is adequate, and high-end liquid cooling or large tower coolers are unnecessary. The low power draw also reduces the load on the voltage regulation circuitry of the motherboard. For system builders, this processor offers an opportunity to create near-silent or completely silent systems. The thermal characteristics are among the most attractive aspects of this part, making it suitable for embedded or always-on applications. The 22 W TDP is a key differentiator, as it places the 2850e in a class where cooling is nearly trivial. The 65 nm process, while not cutting-edge, is efficient enough for this power level. The 122 million transistors are a small count, which inherently limits the maximum power draw. The 77 mm² die size means the heat is generated over a relatively small area, but the low total power ensures the heat density remains manageable. In practice, a simple aluminum heatsink without a fan would likely suffice in most cases, provided ambient airflow exists. The absence of a boost clock simplifies thermal management, as the power draw is constant under load. This predictability is beneficial for system designers who need to guarantee thermal performance in constrained enclosures.

FAQ

Q: What is the base clock speed of the Athlon 64 2850e?

A: The base clock is 1800 MHz, with no boost clock available.

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

A: It has 1 core and 1 thread.

Q: Does the processor support ECC memory?

A: No, ECC memory is not supported.

Q: What memory type does it use?

A: It supports DDR2 memory with a dual-channel bus.

Q: Is the multiplier unlocked?

A: No, the multiplier is locked.

Q: What is the TDP of this processor?

A: The TDP is 22 W.

Q: What socket does it use?

A: It uses AMD Socket AM2.

Q: Does it have integrated graphics?

A: Integrated graphics are available only as a chipset feature on certain motherboards; the CPU itself does not contain graphics.

Q: What is the production status?

A: The production status is end-of-life.

Q: What is the process node and transistor count?

A: The process node is 65 nm, with 122 million transistors on a 77 mm² die.

How It Compares

The nearestRivals field in the database is empty, so there are no direct rival comparisons available for the Athlon 64 2850e. The percentileVsAllCpus field places it at the 50th percentile among all CPUs in the database. This means that in terms of overall ranking, it sits exactly at the median of the distribution. However, the average benchmark score is 0, which indicates that no benchmark entries have been recorded for this processor. Therefore, the 50th percentile is a positional rank rather than a performance measurement. Without rival scores or deltaPct values, a quantitative comparison is impossible. The data shows that the 2850e is a legacy single-core part, and its position in the 50th percentile is a statistical artifact of the database's CPU distribution. In the absence of rivals, the analysis must rely on its intrinsic specifications: a 1800 MHz clock, 512 KB L2 cache, and 22 W TDP. These specifications suggest a low-power entry-level processor from the K8 era. Compared to hypothetical modern multi-core parts, it would be far behind, but no such data is present. The empty nearestRivals list means the benchmark database has not recorded any comparable processors, so the 2850e stands alone in its segment. The 50th percentile ranking is the only comparative metric available, and it should be interpreted with caution given the lack of benchmark data. The zero average benchmark score further complicates any comparison, as it does not reflect a real performance level. The database effectively treats the 2850e as an unmeasured entity, with its percentile derived from the distribution of other CPUs. This makes any performance claim speculative. The only concrete facts are the physical and architectural specifications, which define its capability envelope. The 1 core and 1 thread configuration is the most limiting factor, and the 1800 MHz clock is modest even for the era. The 22 W TDP is the standout feature, setting it apart from typical desktop processors. Without rivals, the 2850e's value is defined by its power efficiency rather than raw performance. The 50th percentile ranking, while median, is not a recommendation; it is simply a statistical placeholder. Future database updates might add rivals, but as of now, the 2850e occupies a unique niche in the benchmark records.