AMD Opteron 248

Who Should Consider It

The AMD Opteron 248 is a single-core, single-thread server/workstation processor built on the K8 architecture (codename Troy) at a 90 nm process node. Its benchmark data places it at the 50th percentile against all CPUs in the database, which indicates it sits squarely in the middle of the performance distribution — neither a standout nor a laggard for its era. This positioning suggests the chip is best suited for legacy single-threaded server workloads where parallel execution is not a requirement, such as basic database transactions, simple file serving, or light administrative tasks that were typical of early 2000s enterprise environments.

For gaming, the Opteron 248 is not a realistic choice. With only one core and one thread, modern games that expect multi-threaded execution would see severe bottlenecks. The data shows no gaming-oriented benchmark scores, and the architecture predates the multi-core era. Similarly, for content creation workloads like video editing or 3D rendering, the absence of additional cores means render times would be dominated by a single thread, making it impractical against even entry-level multi-core alternatives from the same period.

Office productivity, however, is a different story. The 2.20 GHz base clock, paired with 1 MB of L2 cache, would handle word processing, spreadsheets, and email clients from its contemporary software generation without strain. The 50th percentile ranking implies that in purely single-threaded office tasks, this chip would perform adequately relative to the broader CPU landscape of its time. Server/Workstation market positioning further reinforces its intended use: rack-mounted systems running one process per socket, where the 85 W TDP and Socket 940 platform provided a stable, if modest, foundation.

The key takeaway is that this processor is for preservationists or those maintaining legacy systems. It is not a daily driver for any modern workload. The data suggests a narrow utility window: single-threaded server tasks that do not demand high memory bandwidth or advanced instruction sets.

Power and Thermals

The Opteron 248 carries an 85 W TDP classification. This figure places it in a moderate power envelope for its generation, especially when compared to later multi-core server chips that would push beyond 100 W. From a cooling perspective, an 85 W TDP implies a capable air cooler is sufficient — typical server heatsinks of the mid-2000s, with copper heat pipes and a 60 mm or 80 mm fan, would handle the thermal load without issue. The 90 nm process node, while not current-generation even at launch, helped keep heat density manageable.

What the data does not show is any boost clock, meaning the chip runs at a fixed 2.20 GHz under all conditions. This fixed frequency simplifies thermal management: no transient spikes from turbo behavior, just a steady state that cooling systems can be designed around. The lack of an unlocked multiplier also means no overclocking headroom, so thermal expectations are static. In a server chassis with proper front-to-back airflow, the 85 W TDP would be a non-issue. In a poorly ventilated workstation case, however, the single-core design still generates far less heat than a modern 16-core part, so thermal throttling is unlikely to be a practical concern.

The end-of-life production status suggests that replacement thermal interface material and mounting hardware may be harder to source, but the cooling tier itself remains entry-level. Any modern low-profile cooler that supports Socket 940 would be overkill for this chip.

Platform and Compatibility

The Opteron 248 uses AMD Socket 940, which is a server-oriented socket that was shared with early Athlon 64 FX processors. The platform supports dual-channel memory, but the fact pack does not list specific memory types or capacities. The chip does not support ECC memory, which is notable because ECC is a common requirement in server environments; its absence here suggests this processor was aimed at less mission-critical roles or that the platform was designed with flexibility in mind.

PCIe Gen 2 support is listed, which is interesting because the K8 architecture originally used HyperTransport for system interconnect. The fact pack indicates PCIe Gen 2, which would have been forward-looking for a 2004 release — most systems of that era used AGP or PCIe Gen 1. This means the Opteron 248 could accept modern-ish expansion cards, though the single-core CPU would likely bottleneck any serious I/O workload.

Upgrade path is limited. The socket is dead in modern terms, and the "End-of-life" production status confirms no new boards are being made. Within its generation, one could potentially swap to a higher-clocked single-core Opteron of the same socket, but the data does not list compatible alternatives. The 90 nm Troy core is a specific revision, and the 106 million transistor count suggests a relatively simple die that would not benefit from later microarchitectural improvements. For a builder today, this platform is a museum piece, not a foundation for expansion.

How It Compares

The fact pack lists no nearest rivals for the Opteron 248, which means the comparison data is absent. This is itself a finding: the chip occupies a performance space where no direct competitors were tracked in this database, or the available comparison set was not populated. Without rival scores, the 50th percentile ranking against all CPUs is the only positional reference. That percentile suggests it beats about half of all processors ever benchmarked, which is a remarkably broad statement — it implies that despite being a single-core part, it outperforms many low-end or embedded chips that lack even its modest capabilities.

In the absence of named rivals, the analysis must be qualitative. Against a typical dual-core server chip from the same era, the Opteron 248 would lose heavily in multi-threaded tests. Against a contemporary low-end desktop Celeron, it might win on raw single-thread throughput due to the higher clock and larger cache. The lack of comparison data means no exact percentage deltas can be cited, so the 50th percentile becomes the anchor for all positioning statements.

Single-Thread vs Multi-Thread Behavior

The Opteron 248 has one core and one thread. There is no multi-threaded behavior to analyze because the hardware cannot execute more than one thread at a time. This is a pure single-thread processor. The base clock of 2.20 GHz is the sole frequency, and with no boost clock, performance is deterministic.

For real workloads, this means any task that can be parallelized will see zero benefit from additional cores — because there are none. A single database query, a single compilation unit, or a single file transfer will run at the chip's full speed. But any modern operating system, with background services and multiple processes, will time-slice these tasks, causing context-switch overhead. The 1 MB L2 cache helps mitigate some of this by holding frequently accessed data, but the lack of an L3 cache means main memory latency is a constant factor.

The 128 KB L1 cache is split (though the fact pack does not specify the instruction/data division), and the 1 MB L2 is generous for a single-core part. This suggests the chip was designed to maximize single-thread efficiency for its clock speed. In practice, this means the Opteron 248 would excel at a single, long-running computation that fits within its cache — such as a legacy simulation or a single-threaded benchmark — but would struggle with any interactive multi-tasking environment.

FAQ

Q: Does the AMD Opteron 248 support ECC memory?

A: No, the fact pack explicitly lists ECC memory as false.

Q: What is the production status of this processor?

A: It is marked as "End-of-life," meaning AMD no longer produces or sells it.

Q: Is the multiplier unlocked for overclocking?

A: No, the multiplier is locked, so the CPU runs at its fixed 2.20 GHz base clock.

Q: How many cores and threads does the Opteron 248 have?

A: It has one core and one thread, making it a single-core, single-thread processor.

Q: What PCIe version does the platform support?

A: The fact pack lists PCIe Gen 2 support.

Q: When was this processor released?

A: The release date is November 30, 2004.

Benchmark Performance

The Opteron 248 has an average benchmark score of 0 in the database, which is unusual. This likely means no standardized benchmarks were run or recorded for this specific chip, so all comparative analysis must rely on the 50th percentile ranking against all CPUs. A 50th percentile placement indicates that the chip performs better than half of all processors in the database and worse than the other half. This is a broad, aggregate measure that does not differentiate between single-thread and multi-thread workloads.

Because the nearestRivals array is empty, there are no exact percentage deltas to report against specific competitors. The absence of rival data is a significant limitation for this analysis. However, the 50th percentile itself carries meaning: for a single-core, 2.20 GHz part from 2004, being at the median of all CPUs ever tested suggests that the database includes many weaker or embedded processors. If the database were limited to desktop and server x86 parts, the Opteron 248 would likely rank lower — but the aggregate includes low-power mobile chips and older 32-bit parts that this chip would outperform.

The benchmark data shows no multi-core scores because the hardware cannot execute them. There are no synthetic scores for gaming, no render tests, no productivity suites. The only quantitative anchors are the 50th percentile and the hardware specifications: 2.20 GHz, 1 MB L2, 128 KB L1, dual-channel memory. From these, one can infer that single-threaded integer and floating-point performance would be competitive with other K8-based chips of similar clock speed, but the lack of measured scores prevents any precise comparison.

The 106 million transistor count on a 90 nm process suggests a modest die, and the 85 W TDP confirms it is not a power-hungry part. In the absence of benchmark numbers, the percentile ranking is the only performance indicator, and it points to a chip that was mid-pack in its day — competent for its intended server/workstation niche, but utterly eclipsed by modern processors. For anyone considering this chip today, the data says it is a historical artifact, not a performance solution.