Intel Xeon E5-2658A v3

The Intel Xeon E5-2658A v3 is a 12-core, 24-thread server processor built on Intel’s 22 nm Haswell-EP architecture, designed for the Intel Socket 2011-3 platform. Its average benchmark score of 3658 places it in the 58th percentile of all CPUs tracked, indicating a mid-pack position in the current landscape. The data reveals a processor that is effectively matched with a set of modern rivals, with score differences of less than half a percent, making its placement in a system a matter of workload-specific nuance rather than raw performance dominance.

How It Compares

The closest rival in the data is the Intel Core i3-13100E, which posts an average score of 3659. The Xeon E5-2658A v3 trails by a negligible 0% delta, meaning the two processors are statistically tied in aggregate performance. This is a striking result, as the Core i3 is a modern, low-core-count part, while the Xeon brings 12 physical cores to the table, suggesting that the older chip’s multithreading advantage is offset by the newer architecture’s superior per-core efficiency.

Against the Intel Core i9-10885H, a mobile processor, the Xeon E5-2658A v3 scores 3663 versus its own 3658, a delta of -0.1%. This indicates the desktop-derived Xeon is essentially equivalent in overall throughput to a high-end laptop chip, which is notable given the Xeon’s server pedigree and higher power envelope. The data implies that for sustained workloads, the Xeon’s extra cores may help, but for bursty tasks, the mobile part’s higher boost clocks could erase any advantage.

The Intel Xeon Silver 4116 presents a direct server-to-server comparison, with that chip scoring 3667. The E5-2658A v3 is 0.3% behind, a margin so small it falls within typical run-to-run variance. Both are 12-core server parts, but the Silver 4116 is a newer generation, suggesting that architectural improvements in the newer Xeon line have not dramatically shifted the performance needle for this class of processor.

Finally, the AMD EPYC 7251, a first-generation Naples part, scores 3671. The E5-2658A v3 is 0.4% behind this rival, which is the largest deficit in the comparison group. This is noteworthy because the EPYC 7251 is a 16-core part, yet the 12-core Xeon nearly matches it, implying that the Intel chip’s higher clock speeds and more efficient core design close the core-count gap.

Power and Thermals

The E5-2658A v3 carries a TDP of 105 watts, which classifies it as a mid-range power draw for a server processor of its era. This figure is neither exceptionally low nor high, suggesting that a capable air cooler designed for 2011-3 sockets should suffice for most chassis configurations. The 22 nm process node, with 2,600 million transistors on a 356 mm² die, generates a thermal density that is manageable under standard server airflow, but the data does not provide any thermal throttling metrics.

Given the 105 W TDP, system integrators should plan for adequate case ventilation, especially in dense rack-mounted environments where multiple high-power CPUs are placed in close proximity. The absence of a factory cooler in the data implies that the buyer must source a compatible heatsink, and the socket’s server orientation typically pairs with active or passive coolers that are rated for this wattage class. The data does not indicate any overclocking headroom, as the multiplier is locked, so thermal solutions only need to handle the stock configuration.

Benchmark Performance

The Cinebench R15 multicore score of 1274 positions the E5-2658A v3 as a competent multi-threaded performer, though its single-core score of 179 in the same test reveals a significant gap in lightly-threaded scenarios. Moving to Cinebench R20, the multicore score rises to 5311, while the single-core score is 749, showing a consistent scaling pattern across these synthetic loads. In Cinebench R23, the multicore result is 12647, with a single-core score of 1785, which is roughly 7x lower than the multicore figure.

When comparing to the nearest rivals, the aggregate average score of 3658 is the key equalizer. The delta of 0% against the Core i3-13100E means that in a blended workload mix, the two are indistinguishable, but the Xeon’s multicore advantage in Cinebench R23 (12647) would likely dominate in rendering tasks, while the i3’s newer architecture would win in single-threaded tests, as evidenced by its higher single-core efficiency implied by the equal average score.

Against the Xeon Silver 4116, the 0.3% deficit in average score is minor, but the E5-2658A v3’s higher base clock of 2.20 GHz versus the Silver’s unspecified clocks may translate to better responsiveness in latency-sensitive applications. The AMD EPYC 7251’s 0.4% lead in average score is similarly negligible, yet the EPYC’s additional cores could show a widening gap in fully parallel workloads, while the Intel part’s higher boost clock of 2.90 GHz helps in tasks that hit a few threads hard.

Who Should Consider It

The benchmark data indicates that the E5-2658A v3 is best suited for multi-threaded, throughput-oriented workloads. For content creation, the Cinebench R23 multicore score of 12647 suggests capable performance in video rendering or 3D scene compilation, where the 12 cores and 24 threads can be fully utilized. The single-core score of 1785 in R23 is lower than modern consumers would expect, so gaming performance would be suboptimal, as most games rely heavily on single-thread speed.

For office productivity, the processor’s 24 threads can handle heavy multitasking, such as running multiple virtual machines or large spreadsheet calculations, without strain. The memory bandwidth of 68.3 GB/s, supported by quad-channel DDR4, is a boon for data analysis tasks that are memory-bandwidth-bound. However, for users whose primary load is single-threaded applications, the data suggests this chip is a poor fit, as its single-core scores are far below its multicore achievements, making it a specialist tool rather than a general-purpose desktop part.

Platform and Compatibility

The E5-2658A v3 uses the Intel Socket 2011-3 platform, which is an end-of-life socket, but it offers several modern features. The processor supports quad-channel DDR4 memory, with a theoretical bandwidth of 68.3 GB/s, and includes ECC memory support, which is critical for server reliability. PCIe Gen 3 connectivity is provided via 40 lanes from the CPU, enabling multiple high-speed expansion cards for GPU compute or NVMe storage.

The platform’s upgrade path is limited, as this is the Haswell-EP generation, and newer Xeon processors require different sockets. The 22 nm process and 2,600 million transistor count are fixed attributes, so no future compatibility exists beyond the current platform. The launch MSRP is $1832, which reflects its original server-class positioning, though the production status is end-of-life, so it is only available on the used market. The lack of integrated graphics means a discrete GPU is mandatory for any display output.

Single-Thread vs Multi-Thread Behavior

The split between single-thread and multi-thread performance is stark. In Cinebench R23, the multicore score of 12647 is roughly 7.1 times the single-core score of 1785, indicating that the processor scales exceptionally well across its 12 cores. This is expected for a server chip with a modest boost clock of 2.90 GHz, which limits single-thread throughput but allows for efficient power distribution across all cores.

In real-world terms, this means the processor excels in batch operations, such as compiling code or transcoding media, where all cores are engaged. Conversely, interactive use cases like web browsing or office document editing will feel sluggish compared to a modern consumer chip, because the single-core score in Cinebench R20 (749) is well below what current desktop parts achieve. The data suggests that the E5-2658A v3 should be reserved for headless servers or dedicated workstation tasks that are inherently parallel, not for interactive desktop use.

FAQ

Q: What is the average benchmark score of the Intel Xeon E5-2658A v3?

A: The average benchmark score is 3658, placing it in the 58th percentile of all CPUs.

Q: How does it compare to the Intel Core i3-13100E?

A: The Xeon E5-2658A v3 has a 0% delta in average score against the Core i3-13100E, meaning they are statistically tied in aggregate performance.

Q: What is the TDP of this processor?

A: The TDP is 105 watts, which is a mid-range figure for a server processor of its generation.

Q: Does it support ECC memory?

A: Yes, ECC memory is supported, along with quad-channel DDR4 memory, providing a memory bandwidth of 68.3 GB/s.

Q: What is the socket type and PCIe version?

A: It uses Intel Socket 2011-3 and provides 40 PCIe Gen 3 lanes from the CPU.

Q: Is the processor still in production?

A: No, the production status is end-of-life, and the launch MSRP was $1832.