Intel Xeon E5-4627 v3

The Intel Xeon E5-4627 v3 is a 10-core, 20-thread Haswell-EP processor designed for the server and workstation segment, launched in mid-2015. It operates with a base clock of 2.60 GHz and a boost clock of 3.20 GHz, built on Intel's 22 nm process with 2,600 million transistors on a 356 mm² die. Its average benchmark score of 2789 places it at the 53rd percentile of all CPUs, indicating a mid-pack position that is heavily influenced by its age and server-oriented design.

Benchmark Performance

The E5-4627 v3 delivers a Cinebench R23 multi-core score of 9642, which is its strongest result and reflects the advantage of having 10 physical cores and 20 threads. In the same test, its single-core score of 1361 is modest, highlighting the architectural limitations of the Haswell design when compared to modern processors. The multi-core to single-core ratio in R23 is approximately 7.1x, demonstrating that the chip scales exceptionally well with threaded workloads but struggles in lightly-threaded tasks.

Looking at the Cinebench R20 results, the processor scores 4049 in multi-core and 571 in single-core. The R15 results show a multi-core score of 971 and a single-core score of 137. These consistent results across benchmark versions indicate that the performance profile is stable, with the multi-core advantage growing as the benchmark becomes more demanding. The data suggests that the E5-4627 v3 is best utilized in environments where parallel processing is the norm.

When compared to its nearest rivals, the E5-4627 v3 is virtually tied with all of them. It trails the AMD Ryzen 3 5425U by a negligible 0.1%, sits 0.2% behind the Intel Xeon E-2324G, and is 0.3% slower than the Intel Xeon E5-1650 v4. Conversely, it leads the Intel Core i5-8600K by 0.2%. These deltaPct values are all within a fraction of a percent, meaning that in aggregate benchmark performance, the E5-4627 v3 is statistically indistinguishable from its direct competitors. However, the composition of that performance differs drastically; the Xeon achieves its score through core count, while rivals like the i5-8600K rely on higher per-core efficiency.

Platform and Compatibility

The E5-4627 v3 uses the Intel Socket 2011-3 platform, which is a significant consideration for any system builder. This socket supports the Haswell-EP architecture, and the processor is part of the Xeon E5 family, specifically the E5 v3 generation. The platform uses DDR4 memory in a quad-channel configuration, providing a theoretical memory bandwidth of 68.3 GB/s. ECC memory is supported, which is critical for error-sensitive server and workstation workloads where data integrity is paramount.

PCIe connectivity is provided via Generation 3 with 40 lanes available from the CPU itself. This is a substantial number of lanes, allowing for multiple high-bandwidth expansion cards, such as GPUs or NVMe storage adapters, to be installed without needing a PLX switch. The processor is not multiplier-unlocked, meaning overclocking is not an official feature, which is typical for Xeon parts. The production status is end-of-life, and the release date was May 31, 2015, making this a legacy platform. The upgrade path is limited to other LGA 2011-3 Xeon processors, but given the age of the platform, users would likely need to consider a full platform migration for significant performance gains.

Power and Thermals

The E5-4627 v3 has a TDP of 135 watts. This places it in a power class that requires a capable air cooler or a basic liquid cooling solution, but it does not demand extreme cooling infrastructure. For a 10-core processor from the Haswell generation, this TDP is reasonable, indicating that the chip can sustain full multi-core loads without throttling when paired with a suitable cooler. In a server chassis, the standard practice would be to use a high-quality server-grade heatsink with adequate airflow. In a workstation context, a tower cooler with a 120mm or larger fan would be sufficient. The 22 nm process node is relatively mature, and while it is not power-efficient by modern standards, the 135 W TDP is manageable for most systems designed for this socket. The lack of integrated graphics means that a discrete GPU is mandatory, which also contributes to overall system power draw, but the CPU itself remains within a predictable thermal envelope.

Who Should Consider It

The benchmark data shows that the E5-4627 v3 is a niche product. Its Cinebench R23 multi-core score of 9642 makes it viable for multi-threaded rendering, video encoding, and scientific simulations where the 10-core/20-thread configuration can be fully utilized. For users running such workloads, the processor offers a solid foundation, provided they are working within the constraints of the LGA 2011-3 platform.

However, for gaming, the single-core performance is a limiting factor. The Cinebench R23 single-core score of 1361 is far below what modern gaming CPUs achieve, and many games are still heavily dependent on single-thread performance. The data indicates that gamers would see significantly better performance from a newer processor with higher IPC and clock speeds. For office productivity and general desktop use, the E5-4627 v3 is overkill in core count but underpowered in single-threaded tasks, making it a poor choice for such roles. The 53rd percentile ranking confirms that it is average overall, but that average is skewed by strong multi-core results and weak single-core results. This processor is best suited for specialized server or workstation builds where parallel compute throughput is the primary goal and where the user is comfortable with an older, end-of-life platform.

How It Compares

AMD Ryzen 3 5425U: The E5-4627 v3 and the Ryzen 3 5425U are separated by just 0.1% in average benchmark score, with the AMD part holding a razor-thin lead. This is a striking comparison because the Ryzen 3 5425U is a low-power mobile processor, while the Xeon is a high-TDP server part. The parity in aggregate scores obscures the fact that the Ryzen achieves its result with far fewer cores and drastically lower power consumption, while the Xeon relies on its 10-core count to match it.

Intel Xeon E-2324G: The E-2324G is 0.2% ahead of the E5-4627 v3 in average score. The E-2324G is a 4-core part from a newer generation, and its ability to match the 10-core E5-4627 v3 illustrates how far single-thread performance and IPC have advanced. The E5-4627 v3 can only compete by leveraging its thread count, but in aggregate, the two are effectively equal.

Intel Core i5-8600K: The E5-4627 v3 is 0.2% ahead of the Core i5-8600K in average score. The i5-8600K is a consumer desktop part with 6 cores and no hyper-threading, yet it comes within a fraction of a percent of the Xeon. This comparison highlights the difference in workload profiles; the i5-8600K excels in gaming and general use, while the Xeon pulls ahead in heavily threaded scenarios, but the overall average is nearly identical.

Intel Xeon E5-1650 v4: The E5-1650 v4 leads the E5-4627 v3 by 0.3%, the largest margin among the rivals listed. The E5-1650 v4 is a similar-generation server part, and its slight edge can be attributed to higher clock speeds on fewer cores. The data shows that within the same platform generation, a higher-clocked 6-core part can outperform a lower-clocked 10-core part in aggregate, reinforcing that the E5-4627 v3's value lies specifically in its core count for parallel workloads, not in overall versatility.