AMD Ryzen 9 PRO 7945 vs Intel Xeon Gold 6342 Comparison

The benchmark data presents a remarkably close contest between the Intel Xeon Gold 6342 and the AMD Ryzen 9 PRO 7945, with the Intel part edging ahead in every single recorded Cinebench test. The average benchmark scores are nearly identical, with the Xeon Gold 6342 at 11,574 and the Ryzen 9 PRO 7945 at 11,469, a mere 0.9% difference. Both processors sit at the 67th percentile of all CPUs, indicating they occupy a similar performance tier, yet their underlying designs and intended deployment scenarios could not be more different.

Where Each One Wins

The Intel Xeon Gold 6342 wins every head-to-head benchmark in this dataset, but the margins are consistently slim. Across all six Cinebench tests (R15, R20, and R23, both single-core and multi-core), the Intel processor holds a uniform 0.9% advantage. This means that in raw rendering workloads, the Xeon Gold 6342 is technically the faster part, but the practical difference is negligible. The largest absolute gap is in Cinebench R23 multi-core, where the Intel scores 40,014 against the AMD’s 39,653.

The AMD Ryzen 9 PRO 7945 does not win a single benchmark in this comparison, yet it achieves this near-parity with substantial architectural disadvantages. It uses 12 cores and 24 threads, exactly half the core count of the Intel’s 24 cores and 48 threads. The fact that it matches the Xeon within 0.9% while using half the physical resources points to where its real strengths lie: efficiency and per-core performance. The Ryzen 9 PRO 7945 reaches a boost clock of 5.40 GHz, while the Xeon Gold 6342 tops out at 3.50 GHz. In single-threaded workloads, this clock advantage nearly erases the core-count deficit, with the Intel winning Cinebench R23 single-core by just 51 points (5,649 vs 5,598).

The use-case split is clear from the data. The Xeon Gold 6342 wins for multi-core throughput, but only by a hair, and it does so while consuming enormous power relative to the AMD part. The Ryzen 9 PRO 7945 wins for efficiency, density, and platform modernity, offering comparable performance in a package with a 65W TDP versus the Xeon’s 230W TDP. For workloads that scale across many cores, the Xeon is nominally better; for workloads that favor high clocks, lower power, or a modern platform, the Ryzen is the more compelling choice despite losing every direct benchmark.

Architecture Differences

The two processors represent fundamentally different design philosophies. The Intel Xeon Gold 6342 is built on the Ice Lake-SP architecture, manufactured on Intel’s 10 nm process node. It features 24 cores and 48 threads, with a base clock of 2.80 GHz and a boost clock of 3.50 GHz. The cache hierarchy includes 64 KB of L1 per core, 1 MB of L2 per core, and 36 MB of shared L3 cache. Memory support is DDR4 over an eight-channel bus, yielding a memory bandwidth of 204.8 GB/s. The chip uses the Intel Socket 4189 platform and provides PCIe Gen 4 with 64 CPU lanes.

The AMD Ryzen 9 PRO 7945 is built on the Zen 4 architecture, codenamed Raphael, using TSMC’s 5 nm process node. It has 12 cores and 24 threads, with a base clock of 3.70 GHz and a boost clock of 5.40 GHz. The cache is structured as 64 KB L1 per core, 1 MB L2 per core, and 64 MB of shared L3 cache — notably larger than the Intel’s 36 MB. Memory support is DDR5 over a dual-channel bus, with a much lower memory bandwidth of 83.2 GB/s. The chip uses the AMD Socket AM5 platform, offers PCIe Gen 5 with 24 CPU lanes, and includes integrated Radeon Graphics, which the Intel part lacks entirely.

The transistor counts and die sizes tell a story of process advantage. The AMD chip packs 13,140 million transistors across two 71 mm² dies, while the Intel processor does not have listed transistor or die size data. The AMD’s 5 nm process from TSMC allows for higher clocks at far lower power, evidenced by the 65W TDP versus the Intel’s 230W TDP. Both support ECC memory and are classified as server/workstation parts, but their platform choices diverge sharply: eight-channel DDR4 on a massive socket versus dual-channel DDR5 on a mainstream AM5 socket.

Head-to-Head Benchmarks

The benchmark results are consistent across every test, with the Intel Xeon Gold 6342 winning each by exactly 0.9%. In Cinebench R15 multi-core, the Intel scores 4,033 against the AMD’s 3,996. In R15 single-core, the Intel scores 569 against 564. Moving to Cinebench R20, the Intel wins multi-core with 16,805 versus 16,654, and single-core with 2,372 versus 2,351. In Cinebench R23, the Intel wins multi-core with 40,014 versus 39,653, and single-core with 5,649 versus 5,598.

The uniformity of the 0.9% delta across all tests is striking. It suggests that the performance difference is consistent regardless of workload type, whether single-threaded or multi-threaded. The largest absolute margin is in R23 multi-core, where the Intel leads by 361 points. The smallest absolute margin is in R15 single-core, where the Intel leads by just 5 points. These are razor-thin margins that would be imperceptible in real-world use.

The nearest rival data confirms this tight grouping. The Xeon Gold 6342’s closest rival is the Ryzen 9 PRO 7945 with a 0.9% delta, followed by the Intel Core i7-1185G7 at -1.1% and the Intel Core i7-4790K at -1.5%. The AMD EPYC 73F3 trails at 2.1%. For the Ryzen 9 PRO 7945, its nearest rival is the Xeon Gold 6342 at -0.9%, followed by the AMD EPYC 73F3 at 1.2% and the AMD EPYC 7402 at 1.4%. Both CPUs sit in a crowded field where a few percentage points separate them from a wide range of competitors.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Xeon Gold 6342 has 24 cores and 48 threads, exactly double the AMD Ryzen 9 PRO 7945’s 12 cores and 24 threads.

Q: Does the AMD Ryzen 9 PRO 7945 win any benchmarks?

A: No. In this dataset, the Intel Xeon Gold 6342 wins all six Cinebench tests, with a 0.9% margin in each case.

Q: What is the memory configuration difference?

A: The Intel uses DDR4 over an eight-channel bus with 204.8 GB/s bandwidth. The AMD uses DDR5 over a dual-channel bus with 83.2 GB/s bandwidth.

Q: Which processor has a higher boost clock?

A: The AMD Ryzen 9 PRO 7945 has a boost clock of 5.40 GHz, compared to the Intel Xeon Gold 6342’s 3.50 GHz.

Q: Do both processors support ECC memory?

A: Yes, both the Intel Xeon Gold 6342 and the AMD Ryzen 9 PRO 7945 have ECC memory support enabled.

Q: What is the TDP difference?

A: The Intel Xeon Gold 6342 has a TDP of 230W, while the AMD Ryzen 9 PRO 7945 has a TDP of 65W.

The Verdict

The data points to a clear but nuanced conclusion. The Intel Xeon Gold 6342 is the faster processor in every measured benchmark, but the margins are so small that performance alone cannot justify choosing it. The Intel wins by 0.9% across the board, which is statistically negligible in real-world applications. However, the Xeon achieves this with double the core count and more than three times the power draw. For workloads that need massive core counts and high memory bandwidth — the eight-channel DDR4 configuration provides 204.8 GB/s versus the AMD’s 83.2 GB/s — the Xeon Gold 6342 is the defensible choice.

The AMD Ryzen 9 PRO 7945 loses every benchmark but delivers nearly identical performance at a fraction of the power budget. Its 65W TDP versus the Xeon’s 230W TDP makes it vastly more efficient per watt. The higher boost clock of 5.40 GHz and the larger 64 MB L3 cache compensate for the core deficit. The integrated Radeon Graphics and PCIe Gen 5 support give it platform features the Intel part lacks. For users building a workstation where power efficiency, modern connectivity, and integrated graphics matter more than raw multi-core throughput, the Ryzen 9 PRO 7945 is the rational pick despite its benchmark losses.

Specification Differences

| Specification | Intel Xeon Gold 6342 | AMD Ryzen 9 PRO 7945 |

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

| Cores | 24 | 12 |

| Threads | 48 | 24 |

| Base Clock | 2.80 GHz | 3.70 GHz |

| Boost Clock | 3.50 GHz | 5.40 GHz |

| TDP | 230W | 65W |

| Socket | Intel Socket 4189 | AMD Socket AM5 |

| Architecture | Ice Lake | Zen 4 |

| Process Node | 10 nm | 5 nm |

| Foundry | Intel | TSMC |

| L3 Cache | 36 MB (shared) | 64 MB (shared) |

| Memory Support | DDR4 | DDR5 |

| Memory Bus | Eight-channel | Dual-channel |

| Memory Bandwidth | 204.8 GB/s | 83.2 GB/s |

| PCIe | Gen 4, 64 Lanes | Gen 5, 24 Lanes |

| Integrated Graphics | None | Radeon Graphics |

| Transistors | Not listed | 13,140 million |

| Die Size | Not listed | 2x 71 mm² |

| Release Date | 2021-04-05 | 2023-06-12 |

| Part Number | Not listed | 100-000000598 |