CPU Comparison

The data consistently shows the Intel Xeon E5530 ahead of the Intel Core i5-3320M across every shared benchmark, making it the default choice for raw multi-threaded workload throughput. The Xeon wins all five head-to-head tests, with margins between 2.9% and 3%. However, the i5-3320M is a mobile part with a 35W TDP and integrated graphics, while the Xeon is a server/workstation chip with an 80W TDP and no iGPU. Thus, the verdict is straightforward: if the workload is compute-heavy and power/space constraints are relaxed, the Xeon E5530 is the better performer; if the system requires a compact, low-power, all-in-one mobile platform, the i5-3320M is the only viable option from this pair. The i5’s average benchmark score of 803 versus the Xeon’s 801 is a statistical tie, but the Xeon’s consistent wins in every direct comparison show it holds a real, if narrow, edge.

Architecture Differences

The two processors come from different Intel design eras and target distinct market segments. The i5-3320M is built on the Ivy Bridge architecture using a 22 nm process node, with a die size of 118 mm². It is a mobile chip, featuring 2 cores and 4 threads via Hyper-Threading. Its cache hierarchy includes 64 KB L1 per core, 256 KB L2 per core, and a shared 3 MB L3 cache. It also integrates Intel HD 4000 graphics, making it a complete system-on-chip for laptops. The socket is Intel BGA 1023, which is soldered, indicating it is not upgradeable.

In contrast, the Xeon E5530 is based on the Nehalem architecture, codenamed Gainestown, built on a larger 45 nm process. It uses 731 million transistors on a 263 mm² die, reflecting an older, less dense manufacturing technology. It offers 4 cores and 8 threads, doubling the parallel execution resources of the i5. Its cache is more generous: 64 KB L1 per core, 256 KB L2 per core, and a shared 8 MB L3 cache. It does not have integrated graphics, relying on a discrete GPU. It uses the Intel Socket 1366 platform, which is standard for server/workstation boards. The Xeon supports DDR3 memory with a triple-channel bus, providing a theoretical bandwidth of 25.6 GB/s, whereas the i5 uses a dual-channel bus with no listed bandwidth figure in the data.

Another key architectural difference is ECC memory support. The Xeon E5530 supports ECC memory (error-correcting code), while the i5-3320M does not. This makes the Xeon suitable for mission-critical server tasks where data integrity is paramount. The Xeon also lists PCIe Gen 2, while the i5’s PCIe generation is not specified in the data. The release dates are far apart: the i5 launched on 2012-05-31, while the Xeon came earlier on 2009-03-29. Finally, the Xeon is marked as End-of-life, whereas the i5’s production status is not listed as discontinued.

Head-to-Head Benchmarks

The head-to-head results are remarkably consistent, showing the Xeon E5530 winning every single test by a narrow margin. In Cinebench R15 multicore, the Xeon scores 234 against the i5’s 227, a 3% advantage for the Xeon. The same pattern holds in Cinebench R20 multicore: Xeon at 977 versus i5 at 948, again a 3% lead. In single-core tests, the Xeon also takes the win, scoring 137 in Cinebench R20 single-core versus the i5’s 133 (a 2.9% difference) and 328 in Cinebench R23 single-core versus 318 (a 3% gap). The largest absolute margin appears in Cinebench R23 multicore, where the Xeon scores 2328 versus the i5’s 2258, a 3% difference.

What is striking is that despite having twice as many cores and threads, the Xeon’s advantage is modest in these tests. This suggests that the i5’s newer Ivy Bridge architecture with a 22 nm process and higher boost clock of 3.30 GHz (versus the Xeon’s 2.67 GHz) helps close the gap. The i5’s per-core efficiency appears strong, but it cannot overcome the Xeon’s raw core count. The data indicates a clean sweep: 5 wins for the Xeon, 0 for the i5. None of the benchmarks show the i5 taking a lead, even in single-threaded workloads where its higher clock speed might be expected to help. The Xeon’s 3% margin is consistent across all tests, suggesting a systematic advantage rather than a workload-specific one.

Specification Differences

The specification table below highlights only the fields where the two CPUs differ, based on the provided data.

| Specification | Intel Core i5-3320M | Intel Xeon E5530 |

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

| Cores | 2 | 4 |

| Threads | 4 | 8 |

| Base Clock | 2.60 GHz | 2.40 GHz |

| Boost Clock | 3.30 GHz | 2.67 GHz |

| TDP | 35 W | 80 W |

| Socket | Intel BGA 1023 | Intel Socket 1366 |

| Architecture | Ivy Bridge | Nehalem |

| Codename | Ivy Bridge | Gainestown |

| Generation | Core i5 (Ivy Bridge) | Xeon (Gainestown) |

| Process Node | 22 nm | 45 nm |

| Transistors | Not listed | 731 million |

| Die Size | 118 mm² | 263 mm² |

| L3 Cache | 3 MB (shared) | 8 MB (shared) |

| Memory Support | Not listed | DDR3 |

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

| Memory Bandwidth | Not listed | 25.6 GB/s |

| ECC Memory | false | true |

| PCIe | Not listed | Gen 2 |

| Integrated Graphics | Intel HD 4000 | None |

| Market Segment | Mobile | Server/Workstation |

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

| Release Date | 2012-05-31 | 2009-03-29 |

| Launch MSRP | Not listed | $530 |

| Part Number | SR0MY | SLBF7 |

The Xeon clearly targets a different platform: it requires a Socket 1366 motherboard, supports ECC memory and triple-channel DDR3, and has no integrated graphics. The i5 is a mobile chip with a soldered BGA package, integrated graphics, and a much lower TDP of 35 W versus the Xeon’s 80 W. The Xeon’s 8 MB L3 cache is more than double the i5’s 3 MB, which likely contributes to its benchmark lead despite older architecture.

FAQ

Q: Which CPU has more cores?

A: The Intel Xeon E5530 has 4 cores and 8 threads, while the Intel Core i5-3320M has 2 cores and 4 threads.

Q: Is the Xeon E5530 faster in all shared benchmarks?

A: Yes. The Xeon wins all five head-to-head tests: Cinebench R15 multicore (234 vs 227), R20 multicore (977 vs 948), R20 single-core (137 vs 133), R23 multicore (2328 vs 2258), and R23 single-core (328 vs 318). Its margin is consistently around 3%.

Q: Does the i5-3320M have integrated graphics?

A: Yes, the i5-3320M features Intel HD 4000 integrated graphics. The Xeon E5530 has no integrated graphics, requiring a discrete GPU.

Q: Can the Xeon E5530 use ECC memory?

A: Yes, the Xeon E5530 supports ECC memory. The i5-3320M does not.

Q: What is the TDP difference?

A: The i5-3320M has a TDP of 35 W, while the Xeon E5530 has a TDP of 80 W. The i5 is a low-power mobile chip, whereas the Xeon is a higher-power server/workstation part.

Q: Which CPU has a higher boost clock?

A: The i5-3320M has a boost clock of 3.30 GHz, notably higher than the Xeon’s 2.67 GHz. Despite this, the Xeon still wins single-core benchmarks.

Where Each One Wins

The Intel Xeon E5530 wins in every measured benchmark category, making it the clear choice for any workload that relies on raw processing throughput, whether multi-threaded or single-threaded. Its 4 cores and 8 threads provide double the parallelism of the i5, and its larger 8 MB L3 cache helps in cache-sensitive applications. The Xeon is the better pick for server duties, virtualized environments, or heavy rendering tasks, where its ECC memory support and triple-channel DDR3 bandwidth of 25.6 GB/s are also valuable. The data shows it is 3% ahead in Cinebench R23 multicore, which is a meaningful edge in sustained multi-threaded loads.

The Intel Core i5-3320M does not win any benchmark, but it has structural advantages that matter outside raw CPU scores. Its 35 W TDP is less than half the Xeon’s 80 W, making it suitable for thin-and-light laptops where cooling and battery life are critical. It includes Intel HD 4000 integrated graphics, eliminating the need for a separate GPU in basic systems. Its 22 nm process node and 118 mm² die make it a compact, efficient part. The higher boost clock of 3.30 GHz does not translate into a benchmark win, but it indicates strong per-core frequency headroom. The i5 is the only choice for a mobile, all-in-one platform; the Xeon simply cannot fit into that use case due to its socket and power requirements. For users prioritizing portability and low power over peak performance, the i5 is the appropriate selection, even though the data shows it trails in every computational test.