CPU Comparison

The AMD Opteron 6344 and Intel Core i5-7500T represent two very different design philosophies from different eras, yet their average benchmark scores place them within 0.6% of each other. The Opteron, a 12-core server part built on 32 nm Piledriver architecture, leverages raw core count, while the i5-7500T, a 14 nm Kaby Lake desktop processor, relies on efficiency and modern IPC. Across every head-to-head Cinebench test, the Opteron wins by a consistent 15.8% to 16% margin, making the performance comparison remarkably one-sided despite their similar aggregate scores.

FAQ

Q: Which processor wins in multi-core performance?

A: The AMD Opteron 6344 wins all three multi-core Cinebench tests. It scores 519 vs 448 in R15, 2166 vs 1870 in R20, and 5158 vs 4454 in R23, with a consistent 15.8% advantage in each case.

Q: Does the Intel Core i5-7500T win any benchmark?

A: No. The head-to-head data shows the Opteron winning all 6 tests, with the Intel losing every single-core and multi-core Cinebench round. The Intel does have an additional Geekbench result (3062 multi-core, 1078 single-core) that the Opteron lacks, but these are not comparative tests.

Q: How do their average benchmark scores compare?

A: The Opteron has an average benchmark score of 1492, while the i5-7500T scores 1483. The nearest rival data shows the i5-4590S at 1493 as the closest competitor to the Opteron, with a 0% delta, while the i5-7500T is 0.6% behind the Opteron.

Q: What is the difference in core and thread counts?

A: The Opteron 6344 has 12 cores and 12 threads. The i5-7500T has 4 cores and 4 threads. This 3x core advantage is a primary factor in the Opteron's consistent multi-core wins.

Q: Which processor has the higher clock speed?

A: The Intel i5-7500T has a slightly higher base clock of 2.70 GHz vs 2.60 GHz, and a higher boost clock of 3.30 GHz vs 3.20 GHz. Despite this, the Opteron still wins every single-core benchmark, suggesting architectural efficiency differences.

Q: Are both processors in the same market segment?

A: No. The Opteron is classified as a Server/Workstation part, while the i5-7500T is a Desktop processor. The Opteron supports ECC memory and uses quad-channel DDR3, whereas the Intel uses dual-channel DDR4 without ECC support.

Architecture Differences

The fundamental architectural divide is massive. The AMD Opteron 6344 uses the Piledriver architecture on a 32 nm process from GlobalFoundries, built with 2,400 million transistors across a dual-die design measuring 2x 315 mm². Its codename is Abu Dhabi, part of the Opteron 6000 series. In contrast, the Intel Core i5-7500T uses Kaby Lake architecture on a 14 nm process from Intel, with a single-die design and no transistor count or die size listed.

Cache hierarchies reflect their different design goals. The Opteron has a 576 KB L1 cache, 2 MB L2 per module, and 8 MB L3 per die. The Intel part has 64 KB L1 per core, 256 KB L2 per core, and 6 MB shared L3. The Opteron's per-module L2 design is a holdover from its server lineage, while the Intel's per-core L2 is more conventional for desktop parts.

Memory support separates them clearly. The Opteron uses DDR3 with a quad-channel memory bus delivering 59.7 GB/s bandwidth and ECC support. The i5-7500T uses DDR4 with a dual-channel bus delivering 38.4 GB/s and no ECC. The Opteron's wider memory bus gives it a 55.5% bandwidth advantage, which is critical for server workloads but less relevant for the Cinebench tests shown.

PCIe generations differ: the Opteron offers Gen 2, while the Intel provides Gen 3 with 16 lanes (CPU only). The Intel part includes integrated HD 630 graphics; the Opteron has none. The Opteron's socket is AMD Socket G34, while the Intel uses Socket 1151. Production status also differs, the Opteron is end-of-life, while the i5-7500T is listed as active.

Head-to-Head Benchmarks

The head-to-head results are striking for their uniformity. Across six Cinebench tests, the AMD Opteron 6344 wins every single one, with deltas ranging from 15.8% to 16%. This consistency suggests a single dominant factor rather than workload-specific advantages.

In multi-core tests, the Opteron's 12 cores overwhelm the Intel's 4 cores. In Cinebench R15 multi-core, the Opteron scores 519 against the Intel's 448, a 15.8% lead. The R20 multi-core test shows 2166 vs 1870, again 15.8%. The R23 multi-core test repeats the pattern with 5158 vs 4454, maintaining the exact 15.8% delta. This uniform percentage across all three multi-core tests indicates that the core-count advantage scales perfectly with the benchmark's threading model.

Single-core results are more surprising given the Intel's clock advantage. The Opteron has a 2.60 GHz base and 3.20 GHz boost, while the Intel has 2.70 GHz base and 3.30 GHz boost. Yet the Opteron scores 73 vs 63 in R15 single-core (15.9% lead), 305 vs 263 in R20 single-core (16% lead), and 728 vs 628 in R23 single-core (15.9% lead). The Intel's 100 MHz higher base and boost clocks fail to translate into any single-core victory, which is unusual for a Kaby Lake part against a Piledriver server chip.

The Geekbench results for the Intel (3062 multi-core, 1078 single-core) are not paired with Opteron equivalents, so they cannot be directly compared. However, the Cinebench results alone provide a complete narrative: the Opteron 6344 is decisively faster in every rendering workload tested, despite its older architecture and lower clock speeds.

Specification Differences

| Specification | AMD Opteron 6344 | Intel Core i5-7500T |

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

| Cores / Threads | 12 / 12 | 4 / 4 |

| Base Clock | 2.60 GHz | 2.70 GHz |

| Boost Clock | 3.20 GHz | 3.30 GHz |

| TDP | 115 W | 35 W |

| Socket | AMD Socket G34 | Intel Socket 1151 |

| Architecture | Piledriver | Kaby Lake |

| Process Node | 32 nm | 14 nm |

| Foundry | GlobalFoundries | Intel |

| Transistors | 2,400 million | Not listed |

| Die Size | 2x 315 mm² | Not listed |

| L1 Cache | 576 KB | 64 KB (per core) |

| L2 Cache | 2 MB (per module) | 256 KB (per core) |

| L3 Cache | 8 MB (per die) | 6 MB (shared) |

| Memory Support | DDR3 | DDR4 |

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

| Memory Bandwidth | 59.7 GB/s | 38.4 GB/s |

| ECC Memory | Yes | No |

| PCIe | Gen 2 | Gen 3, 16 Lanes (CPU only) |

| Integrated Graphics | None | HD 630 |

| Market Segment | Server/Workstation | Desktop |

| Production Status | End-of-life | Active |

| Release Date | 2012-11-04 | 2017-01-02 |

| Launch MSRP | $415 | Not listed |

| Part Number | OS6344WKTCGHK | SR337 |

The Verdict

The data paints an unambiguous picture for raw performance: the AMD Opteron 6344 is the faster processor in every measured benchmark. Its 12 cores deliver a consistent 15.8% to 16% advantage over the Intel Core i5-7500T in Cinebench multi-core tests, and it even wins single-core tests by the same margin despite having lower clock speeds. This is a rare case where the older, larger-process server chip dominates a newer, smaller-process desktop chip across the board.

However, the specification differences suggest distinct use cases. The Opteron's 115 W TDP, quad-channel DDR3 with ECC, and Server/Workstation classification make it suitable for memory-intensive, reliability-critical server workloads. The i5-7500T's 35 W TDP, integrated HD 630 graphics, and active production status make it a more appropriate choice for low-power desktop systems where the 80 W TDP difference matters.

For buyers prioritizing benchmark scores, the Opteron 6344 is the clear choice. Its average benchmark score of 1492 edges out the i5-7500T's 1483, and its nearest rivals cluster tightly around 1493-1500, indicating it sits in a competitive performance tier. The Opteron's nearest rival is the Intel Core i5-4590S at 1493 with a 0% delta, while the i5-7500T's closest competitor is the i5-5575R at 1478.

For buyers prioritizing efficiency, the i5-7500T offers a compelling trade-off. Its 35 W TDP is less than one-third of the Opteron's 115 W, and its 14 nm process is far more modern than the 32 nm node. The Intel part also supports DDR4 memory and PCIe Gen 3, giving it platform-level advantages that the Opteron cannot match. The i5-7500T is listed as active production, while the Opteron is end-of-life, meaning long-term availability and support favor the Intel part.

The verdict depends on the workload. For multi-threaded rendering tasks where Cinebench scores are representative, the Opteron 6344 is superior by a wide margin. For power-constrained desktop environments, the i5-7500T's efficiency and modern platform features make it the more practical choice, despite losing every benchmark comparison. The data does not support any scenario where the Intel wins on pure performance, but the 35 W TDP difference is a decisive factor for many real-world deployments.