CPU Comparison

The Intel Xeon E5-4627 v3 and the Intel Xeon E-2176M are both end-of-life server/workstation processors, but they belong to entirely different eras and design philosophies. The benchmark data is unambiguous: the older Haswell-based E5-4627 v3 wins every single head-to-head test, despite the E-2176M having a significantly higher boost clock. The E5-4627 v3 takes all six Cinebench comparisons, with margins ranging from 5.4% to 6.2%, making it the definitive performance leader in this matchup.

Head-to-Head Benchmarks

The E5-4627 v3’s victory is consistent across every workload. In Cinebench R15 multi-core, it scores 971 against the E-2176M’s 921, a 5.4% advantage. The single-core R15 result is even more decisive: 137 versus 129, a 6.2% lead. This pattern repeats in Cinebench R20, where the E5-4627 v3 posts 4049 multi-core and 571 single-core, compared to the E-2176M’s 3838 and 541, a 5.5% margin in both tests.

The Cinebench R23 results mirror the R20 numbers almost exactly. The E5-4627 v3 scores 9642 multi-core and 1361 single-core, while the E-2176M manages 9140 and 1290. Again, the delta is 5.5% in both metrics. Notably, the E5-4627 v3 wins the single-core tests despite a 1.20 GHz lower boost clock (3.20 GHz versus 4.40 GHz), which points to architectural efficiency differences rather than raw clock speed.

There are no benchmark wins for the E-2176M in this comparison; the head-to-head record is 6-0 in favor of the E5-4627 v3. The average benchmark scores reinforce this: the E5-4627 v3 sits at 2789, while the E-2176M is at 2751. Both processors are near the 50th percentile of all CPUs, the E5-4627 v3 at 51 and the E-2176M at 50, but the E5-4627 v3’s closest rival is the Intel Core i5-11300H with a delta of -0.1%, while the E-2176M’s nearest competitor is the AMD Ryzen 3 4300GE at -0.3%. The performance gap between these two Xeons is small in absolute terms but consistent and never in the E-2176M’s favor.

Architecture Differences

The fundamental architectural split is stark. The E5-4627 v3 uses the Haswell-EP microarchitecture on a 22 nm process, featuring 10 cores and 20 threads. The E-2176M is a Coffee Lake-H part on a 14 nm node, with 6 cores and 12 threads. This core-count advantage (10 versus 6) is the primary reason the E5-4627 v3 leads in multi-threaded tests, but it does not explain the single-core wins.

Cache configurations differ substantially. The E5-4627 v3 has 25 MB of shared L3 cache, while the E-2176M has 12 MB. Both share the same 64 KB L1 and 256 KB L2 per core. The E5-4627 v3’s larger cache pool likely contributes to its superior single-core performance, compensating for its lower clock speeds. The E-2176M’s boost clock is 4.40 GHz versus 3.20 GHz for the E5-4627 v3, yet the older chip still wins single-core Cinebench by 5.5-6.2%. This suggests that the Haswell architecture’s execution efficiency, combined with the larger L3, outweighs the raw clock advantage.

Memory subsystems are also divergent. The E5-4627 v3 supports quad-channel DDR4 with a theoretical bandwidth of 68.3 GB/s. The E-2176M is dual-channel, capped at 42.7 GB/s. Both support ECC memory. The E5-4627 v3 offers 40 PCIe Gen 3 lanes, whereas the E-2176M has only 16. The E-2176M includes integrated UHD Graphics P630; the E5-4627 v3 has no integrated graphics. Power envelopes are radically different: the E5-4627 v3 has a 135 W TDP, while the E-2176M fits into a 45 W TDP. The E5-4627 v3 uses a large 356 mm² die with 2,600 million transistors; the E-2176M’s die is 154 mm² with no transistor count listed. Sockets are incompatible: Intel Socket 2011-3 for the E5-4627 v3 versus Intel BGA 1440 for the E-2176M.

Where Each One Wins

Based on the benchmark data, the E5-4627 v3 wins everywhere. It leads in every Cinebench R15, R20, and R23 test, both multi-core and single-core. The multi-core victories are expected given its 10 cores versus 6, but the single-core wins are more notable. The E5-4627 v3’s single-core R23 score of 1361 outperforms the E-2176M’s 1290 by 5.5%, which is a meaningful margin for lightly-threaded workloads.

The E-2176M has no benchmark wins to claim, but it does have structural advantages that do not translate into Cinebench performance. Its 45 W TDP makes it far more power-efficient, and its integrated graphics capability (UHD Graphics P630) means it can handle display output without a discrete GPU. The E-2176M also has a higher boost clock of 4.40 GHz, which could theoretically benefit bursty workloads, but the data shows that in Cinebench, the E5-4627 v3’s architecture wins regardless.

For multi-threaded rendering, the E5-4627 v3 is the clear choice. Its 20 threads and 25 MB L3 cache deliver a 5.4-5.5% advantage in R15, R20, and R23 multi-core tests. For single-threaded tasks, the E5-4627 v3 also prevails, with 5.5-6.2% leads across all three Cinebench versions. The E-2176M’s only potential edge is in power-constrained or mobile scenarios, where its 45 W TDP and BGA form factor are more appropriate, but that is not reflected in the raw performance scores.

The Verdict

The data is clear: the Intel Xeon E5-4627 v3 is the superior processor in every measured benchmark. It wins all six head-to-head comparisons, with the smallest margin being 5.4% in Cinebench R15 multi-core and the largest being 6.2% in Cinebench R15 single-core. Its 10-core, 20-thread configuration with 25 MB L3 and quad-channel memory provides a decisive performance advantage over the E-2176M’s 6-core, 12-thread setup with 12 MB L3 and dual-channel memory.

The E5-4627 v3’s percentile ranking of 51 versus the E-2176M’s 50 confirms that both are mid-pack CPUs overall, but the E5-4627 v3 is consistently ahead. Its launch MSRP was $2225, reflecting its server-class positioning. The E-2176M, with a launch MSRP of $450, is a lower-cost part, but the benchmark data does not show any performance benefit for that lower price, the E5-4627 v3 simply outperforms it across the board.

Who should pick which? If the workload is Cinebench rendering or similar multi-threaded tasks, the E5-4627 v3 is the only choice based on this data. Its single-core wins also make it better for lightly-threaded applications. The E-2176M would only be preferable in a system where the 45 W TDP and integrated graphics are mandatory, such as a compact or battery-powered workstation, and where the lower performance is an acceptable trade-off. But strictly from the benchmark scores, the E5-4627 v3 wins every test.

FAQ

Q: Which processor wins in multi-core performance?

A: The Intel Xeon E5-4627 v3 wins all multi-core tests. In Cinebench R23 multi-core, it scores 9642 versus 9140 for the E-2176M, a 5.5% advantage. The R20 and R15 multi-core tests show the same pattern: 4049 versus 3838 and 971 versus 921, respectively.

Q: Does the E-2176M win any benchmark?

A: No. The head-to-head record is 6-0 in favor of the E5-4627 v3. The E-2176M loses every Cinebench R15, R20, and R23 test, both single-core and multi-core.

Q: How does the core count compare?

A: The E5-4627 v3 has 10 cores and 20 threads, while the E-2176M has 6 cores and 12 threads. This 4-core difference contributes to the E5-4627 v3's multi-core lead.

Q: What is the clock speed difference?

A: The E-2176M has a higher boost clock of 4.40 GHz, while the E5-4627 v3 boosts to 3.20 GHz. Despite this 1.20 GHz deficit, the E5-4627 v3 wins single-core tests by 5.5-6.2%.

Q: Are the memory bandwidths different?

A: Yes. The E5-4627 v3 supports quad-channel DDR4 with 68.3 GB/s bandwidth, while the E-2176M is dual-channel with 42.7 GB/s. Both support ECC memory.

Q: Do both processors have integrated graphics?

A: No. The E-2176M includes UHD Graphics P630, while the E5-4627 v3 has no integrated graphics.

Specification Differences

| Specification | Intel Xeon E5-4627 v3 | Intel Xeon E-2176M |

|---|---|---|

| Cores | 10 | 6 |

| Threads | 20 | 12 |

| Base Clock | 2.60 GHz | 2.70 GHz |

| Boost Clock | 3.20 GHz | 4.40 GHz |

| TDP | 135 W | 45 W |

| Socket | Intel Socket 2011-3 | Intel BGA 1440 |

| Architecture | Haswell | Coffee Lake |

| Codename | Haswell-EP | Coffee Lake-H |

| Process Node | 22 nm | 14 nm |

| Die Size | 356 mm² | 154 mm² |

| Transistors | 2,600 million | Not listed |

| L3 Cache | 25 MB (shared) | 12 MB (shared) |

| Memory Bus | Quad-channel | Dual-channel |

| Memory Bandwidth | 68.3 GB/s | 42.7 GB/s |

| PCIe | Gen 3, 40 Lanes | Gen 3, 16 Lanes |

| Integrated Graphics | None | UHD Graphics P630 |

| Launch MSRP | $2225 | $450 |

| Release Date | 2015-05-31 | 2018-04-03 |

| Part Number | SR22Q | SR3YX |