AMD Opteron X2 865 HE

The AMD Opteron X2 865 HE is a dual-core server processor from the K8 architecture, codenamed Egypt, targeting the Server/Workstation market segment. Released in mid-2005, this end-of-life chip operates at a base clock of 1800.00 MHz on the AMD Socket 940 platform, fabricated on a 90 nm process with 233 million transistors. Its 55 W TDP classifies it as a low-power variant within the Opteron X2 family, though benchmark data in this database is sparse, with no average score and a 50th percentile ranking among all CPUs.

Benchmark Performance

The benchmark results for the AMD Opteron X2 865 HE are notably absent from the database, with an average benchmark score of 0 and no nearest rivals listed. This absence of measured scores means the data cannot provide direct performance deltas against competing processors. However, the 50th percentile placement among all CPUs in the database indicates that, based on available historical data, this processor sits at the median of the overall distribution — neither a standout performer nor a laggard in the broader context of all processors tracked.

Without specific benchmark scores, performance assessment must rely on architectural characteristics. The dual-core configuration with 2 threads and a 1800.00 MHz base clock suggests a modest compute capability by modern standards, but the K8 architecture was known for efficient integer and floating-point execution in its era. The presence of 128 KB of L1 cache and 1 MB of L2 cache per core (given the total cache layout) provides a reasonable on-die memory hierarchy for the workloads of its time, though no L3 cache is present, which limits the ability to handle very large working sets efficiently.

The lack of rival data in the nearestRivals field means there are no percentage deltas to report. In such cases, the analysis must note that the processor's performance cannot be contextualized against specific competitors using this database alone. The 50th percentile ranking, while a single data point, suggests that among all CPUs tracked, half are expected to outperform this Opteron and half underperform, which is consistent with a mid-range server part from its generation.

Single-Thread vs Multi-Thread Behavior

The AMD Opteron X2 865 HE features 2 cores and 2 threads, meaning there is no simultaneous multithreading — each core executes exactly one thread. This design simplifies thread scheduling and avoids the resource contention that can occur with SMT, but it also means the processor cannot extract additional parallelism from a single core. For single-threaded workloads, the 1800.00 MHz base clock is the sole determinant of performance, as there is no boost clock to dynamically increase frequency under lighter loads.

Multi-threaded behavior is straightforward: with 2 physical cores, the processor can handle two concurrent threads at full speed. The absence of a boost clock means that both cores operate at the same 1800.00 MHz frequency regardless of load, which provides predictable performance for multi-threaded server applications. The 55 W TDP suggests that power management is a priority, and the lack of frequency scaling implies that the chip maintains a constant power draw under sustained load, which can be advantageous for thermal management in dense server chassis.

For real workloads, the single-thread versus multi-thread split indicates that this processor is best suited for applications that can utilize two threads efficiently, such as basic database queries, web serving, or light virtualization. Single-thread-heavy applications would be limited by the relatively low 1800.00 MHz clock, while multi-threaded scaling is capped at 2 threads, so any workload demanding more parallelism would require a processor with more cores. The K8 architecture's memory controller on-die (given the dual-channel memory bus) helps reduce latency for both single- and multi-threaded tasks, though the lack of L3 cache may hinder performance on larger datasets.

Power and Thermals

The AMD Opteron X2 865 HE is classified with a TDP of 55 W, which places it in a low-power tier for server processors of its generation. The "HE" suffix in the product name indicates high efficiency, and the 55 W figure confirms that this is a power-optimized part rather than a high-frequency one. This TDP class implies that a capable air cooler designed for standard socket 940 platforms would suffice, as the thermal load is modest compared to higher-TDP server chips that might require more robust cooling solutions.

The 90 nm process node, with 233 million transistors, contributes to the power characteristics. Smaller process nodes generally reduce leakage and switching power, but 90 nm is relatively large by modern standards, so the 55 W TDP is achieved through conservative clock speeds (1800.00 MHz) and likely lower operating voltages rather than advanced fabrication techniques. The absence of a boost clock further ensures that thermal output remains constant under load, avoiding transient spikes that would require more responsive cooling.

For server deployments, the 55 W TDP means that multiple processors can be packed into a single chassis without overwhelming the cooling infrastructure. The dual-channel memory bus does not significantly impact thermal load, but the integrated memory controller does add some heat, which is accounted for in the TDP figure. Overall, the power and thermal profile suggests that this processor is suitable for environments where energy efficiency is prioritized over raw performance, such as high-density server racks or always-on workloads.

FAQ

Q: What is the base clock speed of the AMD Opteron X2 865 HE?

A: The base clock speed is 1800.00 MHz, and there is no boost clock available for this processor.

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

A: It has 2 cores and 2 threads, meaning each core handles exactly one thread with no simultaneous multithreading.

Q: What is the TDP of the AMD Opteron X2 865 HE?

A: The TDP is 55 W, which classifies it as a low-power server processor for its generation.

Q: What socket does this processor use?

A: It uses the AMD Socket 940 platform, which is specific to the Opteron server lineup.

Q: Does the processor support ECC memory?

A: No, the fact pack indicates that ECC memory is not supported, which is unusual for a server part but noted in the data.

Q: What is the cache configuration?

A: The L1 cache is 128 KB, and the L2 cache is 1 MB, with no L3 cache present.

Q: What is the production status of this processor?

A: It is end-of-life, meaning it is no longer in active production.

How It Compares

The nearestRivals field is empty for the AMD Opteron X2 865 HE, meaning no direct competitor comparisons are available in this database. Without specific rival benchmarks, the analysis cannot provide percentage deltas or relative positioning against other processors. The 50th percentile ranking among all CPUs is the only comparative metric available, indicating that this processor sits at the median of the entire tracked CPU population.

In the absence of rival data, the comparison must rely on architectural context. Against contemporary server processors from the same era, the 55 W TDP and 1800.00 MHz clock would likely position it below higher-clocked or higher-core-count parts, but the lack of measured scores prevents a quantitative assessment. The dual-channel memory bus and 2 MB total L2 cache (1 MB per core) suggest it is a mid-range offering within the Opteron X2 lineup, but the database does not provide the necessary data to confirm this placement.

For users considering this processor, the key takeaway is that the database contains no benchmark scores or rival comparisons for this specific part. The 50th percentile rank is a general indicator, but without specific deltas, any claims of superiority or inferiority to other CPUs cannot be substantiated from the available data. The processor's specifications — 2 cores, 2 threads, 1800.00 MHz, 55 W TDP — provide a baseline for understanding its capabilities, but performance relative to rivals remains undefined in this record.