AMD Opteron 4376 HE vs Intel Core i3-4350 Comparison

# AMD Opteron 4376 HE vs Intel Core i3-4350

The AMD Opteron 4376 HE and Intel Core i3-4350 occupy the same performance tier — both sit at the 29th percentile of all CPUs in the benchmark database, with average scores of 1061 and 1058 respectively. But that near-identical overall rating masks a lopsided head-to-head: the Opteron wins all five shared Cinebench tests by roughly 19% each. The i3 counters with lower power draw and a much newer platform, while the Opteron brings eight physical cores to a two-core fight. This is a classic case of server silicon versus desktop efficiency, and the right choice depends entirely on what workload you are feeding it.

Where Each One Wins

The Opteron 4376 HE wins every benchmark where both chips appear. In Cinebench R15 multicore, it scores 369 against the i3's 309 — a 19.4% advantage. That margin repeats across R20 multicore (1541 vs 1291), R23 multicore (3670 vs 3076), and even the single-core tests, where the Opteron leads by 19.2% in R20 (217 vs 182) and 19.4% in R23 (518 vs 434). With five wins out of five head-to-head tests, there is no workload category in this data where the i3 comes out ahead.

However, the i3's wins are not measured in benchmark scores but in platform attributes. It draws 54W TDP versus the Opteron's 65W, uses the compact Intel Socket 1150, and includes integrated graphics (Intel HD 4600) — meaning a full system can be built without a discrete GPU. The Opteron, by contrast, is a server/workstation part on AMD Socket C32 with no integrated graphics. For a low-power desktop build or an office machine where GPU load is minimal, the i3's platform advantages matter more than its benchmark deficit.

The data also shows the Opteron's nearest rival is the Intel Core i3-4360 at exactly 1061 average score (0% delta), while the i3-4350's closest competitor is the AMD Ryzen 5 2500U at 1058 (0% delta). Both chips are effectively interchangeable in overall performance with their immediate peers, but the Opteron's multicore wins are consistent and repeatable across every Cinebench version tested.

Architecture Differences

The Opteron 4376 HE is built on AMD's Piledriver architecture, codenamed Seoul, using a 32nm process node. It packs 1,200 million transistors into a 315 mm² die. The i3-4350 uses Intel's Haswell architecture on a 22nm process, with 1,400 million transistors in a much smaller 177 mm² die. That process advantage explains why the i3 achieves comparable average performance with far fewer resources — 2 cores and 4 threads versus the Opteron's 8 cores and 8 threads.

Cache layouts differ significantly. The Opteron has 384 KB of L1, 8 MB of L2, and 8 MB of shared L3. The i3 offers 64 KB L1 per core, 256 KB L2 per core, and 4 MB of shared L3. While the Opteron's total cache is larger, the i3's per-core allocation is more generous — 256 KB L2 per core versus the Opteron's effectively 1 MB per core, but the i3 has only two physical cores to feed.

Memory support is DDR3 for both, but the i3 specifies a dual-channel memory bus while the Opteron's memory bus details are not listed. Neither supports ECC memory. The i3 adds PCIe Gen 3 support and integrated graphics; the Opteron lists neither. The Opteron is a server/workstation part released in December 2012; the i3 is a desktop part from April 2014. Neither has an unlocked multiplier.

Head-to-Head Benchmarks

The most striking pattern in the head-to-head data is the consistency of the margin. Across five Cinebench tests spanning three versions (R15, R20, R23), the Opteron's advantage never dips below 19.2% and never exceeds 19.4%. That uniformity suggests a fundamental throughput advantage rather than a workload-specific quirk.

In Cinebench R15 multicore, the Opteron scores 369 to the i3's 309, a 19.4% lead. This is the oldest benchmark in the set, and the Opteron's eight cores clearly outmuscle the i3's two cores even when threaded workloads were less demanding. The R20 multicore test shows the same 19.4% margin (1541 vs 1291), confirming that the multicore advantage scales with newer benchmark versions.

The single-core results are more surprising. The i3's Haswell architecture at a 3.60 GHz base clock should theoretically excel at lightly threaded tasks, yet the Opteron leads 217 to 182 in R20 single-core (19.2%) and 518 to 434 in R23 single-core (19.4%). The Opteron's boost clock of 3.60 GHz matches the i3's base clock, but its Piledriver cores apparently deliver more single-thread performance in these specific tests. This is a notable result — the i3's architectural efficiency does not translate into a single-core win in any benchmark tested.

The R23 multicore results (3670 vs 3076, 19.3%) round out the sweep. Across all five tests, the Opteron wins by essentially the same percentage, which strongly indicates that the performance gap is structural — it comes from having four times as many physical cores and a larger cache hierarchy, not from any benchmark-specific optimization.

Specification Differences

| Specification | AMD Opteron 4376 HE | Intel Core i3-4350 |

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

| Cores | 8 | 2 |

| Threads | 8 | 4 |

| Base Clock | 2.60 GHz | 3.60 GHz |

| Boost Clock | 3.60 GHz | None (no boost) |

| TDP | 65W | 54W |

| Socket | AMD Socket C32 | Intel Socket 1150 |

| Architecture | Piledriver | Haswell |

| Codename | Seoul | Haswell |

| Process Node | 32 nm | 22 nm |

| Transistors | 1,200 million | 1,400 million |

| Die Size | 315 mm² | 177 mm² |

| L1 Cache | 384 KB | 64 KB (per core) |

| L2 Cache | 8 MB | 256 KB (per core) |

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

| Memory Bus | Not specified | Dual-channel |

| PCIe | Not specified | Gen 3 |

| Integrated Graphics | None | Intel HD 4600 |

| Market Segment | Server/Workstation | Desktop |

| Release Date | 2012-12-03 | 2014-04-30 |

FAQ

Q: Which CPU has more cores?

A: The AMD Opteron 4376 HE has 8 cores and 8 threads, while the Intel Core i3-4350 has 2 cores and 4 threads. The Opteron offers four times the physical core count.

Q: Does the i3-4350 have a boost clock?

A: No. The i3-4350 runs at a fixed 3.60 GHz base clock with no boost capability. The Opteron 4376 HE has a 2.60 GHz base clock that boosts to 3.60 GHz.

Q: Which CPU wins in single-core performance?

A: Despite the i3's architectural advantages, the Opteron 4376 HE wins all single-core tests. In Cinebench R23 single-core, the Opteron scores 518 versus the i3's 434, a 19.4% lead.

Q: Do both CPUs support ECC memory?

A: No. Neither the AMD Opteron 4376 HE nor the Intel Core i3-4350 supports ECC memory according to the specification data.

Q: Which CPU has integrated graphics?

A: Only the Intel Core i3-4350 has integrated graphics (Intel HD 4600). The AMD Opteron 4376 HE has no integrated graphics, which is typical for a server/workstation part.

Q: How do their average benchmark scores compare?

A: The Opteron 4376 HE has an average benchmark score of 1061, while the i3-4350 scores 1058. Both sit at the 29th percentile of all CPUs, making them statistically equivalent in overall performance.

The Verdict

The data is unambiguous on raw performance: the AMD Opteron 4376 HE wins every benchmark it shares with the Intel Core i3-4350, with a consistent 19.2-19.4% margin across both multicore and single-core tests. If your workload is Cinebench-style rendering or any multithreaded application that can use eight cores, the Opteron is the clear choice. Its 8 MB of L2 and 8 MB of shared L3 cache, combined with eight Piledriver cores, deliver throughput that the i3's two Haswell cores cannot match regardless of clock speed or architecture efficiency.

The i3-4350's case rests entirely on platform economics. It draws 54W versus 65W, fits in a mainstream Socket 1150 motherboard, includes Intel HD 4600 graphics, and uses PCIe Gen 3. For a desktop build where a discrete GPU is unnecessary and power consumption matters, the i3 offers a complete package in a smaller, cooler footprint. Its 22nm process and 177 mm² die also make it a more modern design than the Opteron's 32nm, 315 mm² server chip.

But benchmark results do not support choosing the i3 for performance reasons. The Opteron's nearest rival is the i3-4360 at identical average score, and the i3-4350's closest competitor is the Ryzen 5 2500U — both chips trade blows with their peers, but neither approaches the Opteron's head-to-head dominance. The Opteron is the pick for anyone running threaded workloads on a server/workstation platform. The i3 is the pick for a low-power desktop where integrated graphics and a mainstream socket matter more than raw Cinebench scores. There is no scenario in this data where the i3 wins a benchmark, but there are plenty of scenarios where its platform features make it the more practical build.