AMD Opteron 148 HE

The AMD Opteron 148 HE is a single-core server processor from the K8 architecture generation, built on a 90 nm process with a 2.20 GHz base clock. It carries 128 KB of L1 cache and 1 MB of L2 cache, and it is designed for the AMD Socket 940 platform. The data shows a processor firmly positioned in the entry-level server segment of its era, with a benchmark percentile ranking that places it exactly at the midpoint of all CPUs tracked in the database.

Benchmark Performance

The benchmark data for the AMD Opteron 148 HE is sparse, with no individual workload scores recorded and an average benchmark score of zero. This absence of direct performance metrics is itself informative, as it reflects the processor's narrow market focus and limited representation in modern benchmarking suites. The processor's percentile ranking of 50 against all CPUs in the database indicates that it sits precisely at the median of the performance distribution, though this figure is heavily influenced by the lack of contemporary workload data.

Without direct scores, the analysis must rely on the architectural characteristics provided. The single core operating at 2.20 GHz, paired with 1 MB of L2 cache, suggests a processor optimized for low-latency, single-threaded server tasks rather than throughput-oriented parallel workloads. The K8 architecture's integrated memory controller, supporting dual-channel memory, would have provided a latency advantage over competing designs of the same generation, though no specific memory bandwidth figures are available to quantify this.

The lack of nearest rivals in the data pack further complicates direct percentage comparisons. The benchmark results indicate that this processor's performance class is defined by its clock speed and cache configuration rather than by measurable deltas against specific competitors. In practical terms, the data suggests that the Opteron 148 HE would deliver predictable, modest single-thread performance suitable for basic server functions like file serving or lightweight database transactions, but it would be substantially outclassed by any modern multi-core processor.

Power and Thermals

The Opteron 148 HE carries a TDP of 55 watts, a figure that places it in the low-power segment of server processors for its generation. This TDP class implies that the processor can be effectively cooled by a passive heatsink or a low-profile active cooler, making it suitable for dense rack-mount server chassis where airflow is limited and power density is a concern. The "HE" suffix in the product name historically denotes high efficiency, and the 55-watt TDP confirms this positioning.

The 90 nm manufacturing process and the 106 million transistor count indicate that this is a relatively simple die by modern standards, which contributes to its modest thermal profile. The data shows that the processor's thermal design allows for deployment in environments where power consumption is a primary constraint, such as telecommunications equipment or always-on server appliances. The lack of a boost clock means the processor runs at a fixed 2.20 GHz, which simplifies thermal management because there are no dynamic frequency spikes to account for in cooling system design.

For cooling recommendations, the 55-watt TDP suggests that even a basic aluminum heatsink with a small fan would suffice for most operating conditions. This is a significant advantage in server environments where cooling infrastructure must handle multiple processors in close proximity. The dual-channel memory bus and the absence of integrated graphics further reduce the overall system power draw, though these components are not directly quantified in the thermal data.

How It Compares

The nearest rivals list for the Opteron 148 HE is empty, meaning there are no direct comparison points provided in the benchmark database. This absence suggests that the processor occupies a unique niche that does not align closely with other tracked CPUs, or that its performance class is so distinct that no meaningful rival comparisons can be drawn from the available data.

In the context of the broader Opteron lineup, the 148 HE would sit below higher-clocked variants and multi-core models in the same generation. The single-core design at 2.20 GHz would position it as an entry-level option, likely outperformed by any dual-core Opteron of the same era in multi-threaded workloads. However, without specific rival scores or delta percentages, these comparisons must remain qualitative.

The processor's 50th percentile ranking against all CPUs indicates that it is not an outlier at either end of the performance spectrum, but rather a typical representative of mid-range hardware from its release period. This is consistent with its intended role as a general-purpose server processor for small-scale deployments. The data shows a processor that would be adequate for its time but is now thoroughly obsolete, with no modern workload where it would be competitive.

FAQ

Q: What is the base clock speed of the AMD Opteron 148 HE?

A: The base clock speed is 2.20 GHz, with no boost clock available, meaning the processor operates at a fixed frequency.

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

A: The Opteron 148 HE has 1 core and 1 thread, making it a single-threaded processor.

Q: What is the TDP and what cooling solution does it require?

A: The TDP is 55 watts, which implies that a basic air cooler with a modest heatsink is sufficient for thermal management.

Q: What socket does this processor use?

A: It uses the AMD Socket 940 platform, which is specific to the K8 architecture generation.

Q: What is the cache configuration?

A: The processor has 128 KB of L1 cache and 1 MB of L2 cache, with no L3 cache present.

Q: Is this processor still in production?

A: No, the production status is end-of-life, with a release date in late November 2004.

Q: What memory support does it offer?

A: The processor supports dual-channel memory, though ECC memory is not supported.

Single-Thread vs Multi-Thread Behavior

The Opteron 148 HE is a pure single-threaded processor, with exactly one core and one thread. This design choice means that all computational work is serialized through a single execution pipeline, which has profound implications for workload suitability. The data shows a processor that excels at tasks that cannot be parallelized, such as legacy database queries, single-user server administration, or sequential file processing.

In single-thread performance, the 2.20 GHz clock speed combined with the K8 architecture's efficient memory controller would have provided competitive latency-sensitive performance at the time of release. The 1 MB L2 cache is generous for a single-core design, allowing for substantial data locality that reduces memory stalls. This configuration would favor workloads with predictable memory access patterns, such as serving static content or running a single-threaded application server.

The multi-thread behavior is effectively nonexistent, as the processor cannot execute more than one thread simultaneously. This means that any modern operating system or application expecting multiple cores will see significant performance degradation when running concurrent tasks. The benchmark results indicate that this processor is fundamentally unsuited for contemporary workloads, which are predominantly multi-threaded. For real-world use today, the Opteron 148 HE would be limited to single-purpose, low-demand applications where its 55-watt power draw is more valuable than its computational throughput. The single-thread focus also means that the processor's performance is entirely dependent on clock speed and cache efficiency, with no parallel scaling available to offset architectural limitations.