CPU Comparison

The Intel Xeon W3580 and Intel Core i3-4360 are separated by five years of architecture evolution, yet their benchmark scores are almost identical. The Xeon W3580, a 2009 server/workstation part built on Nehalem, edges out the 2014 Haswell-based Core i3-4360 in every single Cinebench test, but the margins are razor-thin. The data reveals a fascinating clash between an older high-end design with more cores and a newer mainstream chip with a much higher clock speed. The question is not which one is faster, but why their performance profiles converge so closely despite their vastly different origins.

Head-to-Head Benchmarks

The Xeon W3580 wins all five head-to-head benchmark comparisons, but none by a margin that would be noticeable in real-world use. In Cinebench R15 multi-core, the Xeon scores 311 against the i3-4360’s 310, a delta of just 0.3%. The same 0.3% advantage repeats in Cinebench R20 multi-core, where the Xeon posts 1298 versus 1294. The pattern holds in Cinebench R23 multi-core: 3092 for the Xeon, 3082 for the i3-4360, again a 0.3% difference.

Single-core results are equally tight. In Cinebench R20 single-core, the Xeon W3580 scores 183, while the i3-4360 scores 182, a 0.5% edge for the older chip. The Cinebench R23 single-core test shows 436 versus 435, a 0.2% gap. These deltas are essentially noise; neither processor has a meaningful performance advantage over the other in these workloads. The data suggests that the Xeon’s extra two cores and four threads are almost perfectly offset by the i3-4360’s higher base clock of 3.70 GHz versus the Xeon’s 3.33 GHz base and 3.60 GHz boost.

What is striking is the consistency of the wins. The Xeon W3580 wins every test, yet its largest margin is a mere 0.5%. This is not a case of one chip dominating another; it is a case of two very different designs landing on nearly identical performance. The average benchmark scores confirm this: the Xeon sits at 1064, while the i3-4360 is at 1061, a negligible difference. Both processors occupy the 29th percentile among all CPUs, meaning they perform similarly relative to the broader market.

Architecture Differences

The architectural divide between these two chips is substantial. The Xeon W3580 is built on Intel’s 45 nm process with 731 million transistors on a 263 mm² die. The i3-4360 uses a much more advanced 22 nm node, packing 1,400 million transistors into a smaller 177 mm² die. This is a dramatic difference in transistor density, the newer chip crams nearly twice as many transistors into roughly two-thirds the silicon area.

The core configurations are the most obvious divergence. The Xeon W3580 has 4 cores and 8 threads, while the i3-4360 has 2 cores and 4 threads. Both feature hyper-threading, but the Xeon has double the physical cores. Cache hierarchies also differ: the Xeon offers 8 MB of shared L3 cache, while the i3-4360 has 4 MB. Both have identical per-core L1 (64 KB) and L2 (256 KB) caches.

Memory support separates them further. The Xeon W3580 uses triple-channel DDR3 memory, while the i3-4360 uses dual-channel DDR3. This gives the older server chip a theoretical memory bandwidth advantage, though no specific bandwidth figures are available in the data. The Xeon also supports ECC memory, which the i3-4360 does not. On the I/O side, the Xeon uses PCIe Gen 2, while the i3-4360 supports PCIe Gen 3. The i3-4360 includes integrated Intel HD 4600 graphics; the Xeon has no integrated graphics at all.

The market positioning is reflected in the sockets: the Xeon W3580 uses Intel Socket 1366, while the i3-4360 uses Intel Socket 1150. The Xeon is classified as a Server/Workstation part and is already end-of-life, while the i3-4360 is a Desktop part. Neither chip has an unlocked multiplier. The Xeon’s TDP is 130 watts, reflecting its older process and higher core count, while the i3-4360 draws just 54 watts thanks to the 22 nm node.

Where Each One Wins

Benchmark results indicate that the Xeon W3580 wins in every multi-core test, but the margins are so small that they carry little practical weight. The 0.3% lead in Cinebench R15, R20, and R23 multi-core tests suggests that the Xeon’s extra cores and threads are being utilized, yet the i3-4360’s higher clock speed compensates almost entirely. In a workload that scales perfectly with cores, the Xeon should theoretically pull ahead more decisively; the data shows it does not.

The i3-4360’s strengths lie outside the tested benchmarks. Its 22 nm process and 54-watt TDP make it far more power-efficient than the 130-watt Xeon. The integrated Intel HD 4600 graphics mean the i3-4360 can run a system without a discrete GPU, while the Xeon requires one. The i3-4360 also supports PCIe Gen 3, which offers higher bandwidth for modern expansion cards.

For single-core performance, the i3-4360’s 3.70 GHz base clock gives it a nominal advantage, but the Xeon’s 3.60 GHz boost clock closes that gap. The single-core benchmark results show the Xeon winning by 0.5% and 0.2%, which is counterintuitive given the i3-4360’s higher clock. This could be due to the Xeon’s larger L3 cache or older instruction scheduling, though the data does not specify the cause.

The Xeon W3580 wins where ECC memory support matters, server and workstation environments that require error-correcting memory. It also offers triple-channel memory bandwidth, which can benefit memory-intensive workloads even if the benchmark scores do not reflect it. The i3-4360 wins where power consumption, integrated graphics, and modern platform features are priorities.

The Verdict

The data paints a clear picture: these two processors deliver nearly identical Cinebench performance, with the Xeon W3580 holding a 0.2% to 0.5% edge across all tests. Neither chip has a decisive performance advantage, and both sit at the 29th percentile among all CPUs. The choice comes down to platform requirements, not raw speed.

Users needing ECC memory support, triple-channel memory bandwidth, or a server/workstation-class platform should pick the Xeon W3580. It is the only one of the two that supports ECC memory, and its Socket 1366 platform is built for multi-socket server environments. The Xeon’s 4-core/8-thread configuration also gives it more headroom for heavily threaded workloads, even if the benchmark deltas are small.

Users building a desktop system with limited power budget or wanting integrated graphics should pick the Core i3-4360. Its 54-watt TDP is less than half the Xeon’s 130 watts, and the integrated Intel HD 4600 eliminates the need for a discrete GPU. The i3-4360’s Socket 1150 platform is more modern, with PCIe Gen 3 support. However, the i3-4360 lacks ECC memory support and has only two physical cores, which could limit future multi-threaded performance.

Strictly from the data, the Xeon W3580 is the "faster" chip, but the margin is negligible. The i3-4360 is the more practical chip for most desktop use cases because of its efficiency and integrated graphics, but it loses every benchmark. There is no wrong choice based on performance alone; the decision should be driven by the rest of the system’s requirements.

FAQ

Q: Which processor has a higher average benchmark score?

A: The Intel Xeon W3580 has an average benchmark score of 1064, while the Intel Core i3-4360 has an average score of 1061.

Q: Does the Intel Core i3-4360 support ECC memory?

A: No, the Core i3-4360 does not support ECC memory. The Xeon W3580 does support ECC memory.

Q: What is the difference in TDP between the two chips?

A: The Xeon W3580 has a TDP of 130 watts, while the Core i3-4360 has a TDP of 54 watts.

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

A: The Xeon W3580 has 4 cores and 8 threads. The Core i3-4360 has 2 cores and 4 threads.

Q: Which chip includes integrated graphics?

A: The Core i3-4360 includes Intel HD 4600 graphics. The Xeon W3580 has no integrated graphics.

Q: What is the largest benchmark margin between the two in the head-to-head tests?

A: The largest margin is 0.5%, which occurs in the Cinebench R20 single-core test, where the Xeon W3580 scores 183 versus the Core i3-4360’s 182.

Specification Differences

| Specification | Intel Xeon W3580 | Intel Core i3-4360 |

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

| Cores | 4 | 2 |

| Threads | 8 | 4 |

| Base Clock | 3.33 GHz | 3.70 GHz |

| Boost Clock | 3.60 GHz | None |

| TDP | 130 W | 54 W |

| Socket | Intel Socket 1366 | Intel Socket 1150 |

| Architecture | Nehalem | Haswell |

| Codename | Bloomfield | Haswell |

| Process Node | 45 nm | 22 nm |

| Transistors | 731 million | 1,400 million |

| Die Size | 263 mm² | 177 mm² |

| L3 Cache | 8 MB (shared) | 4 MB (shared) |

| Memory Bus | Triple-channel | Dual-channel |

| ECC Memory | Yes | No |

| PCIe | Gen 2 | Gen 3 |

| Integrated Graphics | None | Intel HD 4600 |

| Market Segment | Server/Workstation | Desktop |

| Production Status | End-of-life | Not specified |

| Release Date | 2009-08-08 | 2014-04-30 |

| Part Number | SLBET | Not specified |