AMD EPYC 8534P vs Intel Xeon w9-3575X Comparison

Head-to-Head Benchmarks

The head-to-head data splits this comparison into two distinct profiles. The Intel Xeon w9-3575X wins 11 of the 16 recorded tests, while the AMD EPYC 8534P takes 5. The margin of victory, however, tells a more nuanced story than the raw win count.

Starting with the Intel Xeon w9-3575X's strongest territory, the Cinebench suite shows a consistent advantage. In Cinebench R15 multi-core, Intel scores 7140 against AMD's 6160, a 13.7% gap. The same delta carries through Cinebench R20 multi-core (29751 vs 25668) and Cinebench R23 multi-core (70837 vs 61115), each showing a 13.7% lead. Single-core Cinebench results follow the same pattern: R15 shows 1008 vs 869, R20 shows 4200 vs 3623, both at 13.7% and 13.8% respectively. This consistency across three generations of the Cinebench workload indicates a structural advantage rather than a workload-specific quirk.

The PassMark multithread test reinforces this: Intel scores 83338 versus AMD's 71900, another 13.7% margin. PassMark physics shows a much larger gap, with Intel at 6836 against AMD's 3667, a 46.4% advantage. PassMark single-thread performance also favors Intel heavily: 3672 vs 2441, a 33.5% lead. In prime number finding, Intel's 687 score dwarfs AMD's 278, a 59.5% gap that represents the largest single-test margin in either direction.

The AMD EPYC 8534P's wins, while fewer, are decisive in their own right. PassMark data compression shows AMD at 1791742 versus Intel's 1219584, a 46.9% advantage. Data encryption is even more lopsided: AMD scores 121728 against Intel's 62258, a 95.5% margin, nearly doubling Intel's output. Integer math favors AMD at 514526 versus 298224, a 72.5% lead. Floating-point math shows a more modest 5.9% advantage (289443 vs 273398). Extended instructions round out AMD's wins with a narrow 2.7% edge (112860 vs 109843).

Random string sorting is the closest contest overall: Intel wins 134723 to 129479, a slim 3.9% margin. This near-tie suggests that for certain memory-latency-sensitive or pointer-chasing workloads, the two processors are effectively equivalent.

Architecture Differences

The two processors take fundamentally different approaches to achieving performance. The AMD EPYC 8534P is built on TSMC's 5 nm process with Zen 4c architecture, codenamed Siena, and belongs to the EPYC 8004 series. It packs 64 cores and 128 threads into a socket design using AMD Socket SP6. The die consists of four chiplets at 73 mm² each, totaling 35,500 million transistors. Cache is allocated as 64 KB L1 and 1 MB L2 per core, with 128 MB of shared L3. Memory runs over a six-channel DDR5 bus providing 230.4 GB/s of bandwidth. PCIe connectivity includes Gen 5 with 96 lanes from the CPU.

The Intel Xeon w9-3575X uses a 10 nm Intel process with Sapphire Rapids architecture, part of the Xeon W family. It has 44 cores and 88 threads on Intel Socket 4677. The die consists of four pieces at 477 mm² each, which is substantially larger per die than AMD's chiplets. Cache differs notably: 80 KB L1 and 2 MB L2 per core, with 97.5 MB of L3 shared across the chip. Memory uses an eight-channel DDR5 configuration delivering 307.2 GB/s. PCIe expands to Gen 5 with 112 lanes.

The core count difference is significant: AMD offers 64 cores versus Intel's 44, a 45% advantage in raw core count. However, Intel's per-core L2 cache is double AMD's (2 MB vs 1 MB), and Intel's L1 is larger per core as well. The memory channels differ, with Intel at eight channels versus AMD's six, and Intel's bandwidth is 33% higher at 307.2 GB/s versus 230.4 GB/s. Clock speeds also diverge: AMD's base is 2.30 GHz with a 3.10 GHz boost, while Intel's base is 2.20 GHz but boosts to 4.80 GHz, a 55% higher boost ceiling.

The process node discrepancy (5 nm vs 10 nm) helps explain the transistor density difference, though the TDP figures are notable: AMD draws 200W to Intel's 340W, a 70% higher power envelope for Intel. Both support ECC memory, and both are actively in production. The AMD processor has a locked multiplier, while the Intel chip is multiplier-unlocked.

Where Each One Wins

The AMD EPYC 8534P dominates in data-intensive and cryptographic workloads. Its 95.5% lead in data encryption suggests strong AES-NI or similar acceleration paths. The 72.5% advantage in integer math points to throughput-oriented design, while the 46.9% win in data compression indicates excellent parallel data manipulation capability. The 5.9% floating-point edge and 2.7% extended instructions win round out a profile suited to database compression, encryption-heavy server tasks, and general integer crunching.

The Intel Xeon w9-3575X excels in latency-sensitive and single-thread-bound tasks. Its 33.5% single-thread lead and 59.5% prime-number advantage indicate superior per-core execution. The 46.4% physics win suggests strong branch prediction and floating-point latency handling. The consistent 13.7% multi-core Cinebench wins, despite having fewer cores, point to higher per-core throughput and better frequency scaling. The 3.9% win in random string sorting shows a slight edge in memory-access patterns.

For deployment decisions, the AMD processor suits environments where data compression, encryption, and massive integer throughput are the bottlenecks. The Intel processor fits workloads dominated by single-thread performance, physics simulation, and applications that cannot fully utilize 64 cores but benefit from high boost clocks.

FAQ

Q: Which processor has more cores?

A: The AMD EPYC 8534P has 64 cores and 128 threads, while the Intel Xeon w9-3575X has 44 cores and 88 threads.

Q: What is the single-thread performance difference?

A: The Intel Xeon w9-3575X scores 3672 in PassMark single-thread versus AMD's 2441, a 33.5% advantage. Cinebench R23 single-core shows Intel at 8628 against AMD's 8628, which is a tie based on the recorded data.

Q: How do they compare in multi-core Cinebench R23?

A: Intel scores 70837 versus AMD's 61115, a 13.7% lead for Intel despite having 20 fewer cores.

Q: Which processor is better for data encryption?

A: The AMD EPYC 8534P scores 121728 in PassMark data encryption versus Intel's 62258, a 95.5% advantage.

Q: What are the memory bandwidth differences?

A: Intel uses eight DDR5 channels for 307.2 GB/s, while AMD uses six channels for 230.4 GB/s, giving Intel a 33% higher theoretical bandwidth.

Q: Which processor has a higher boost clock?

A: The Intel Xeon w9-3575X boosts to 4.80 GHz, while the AMD EPYC 8534P boosts to 3.10 GHz.

The Verdict

The data presents a clear split based on workload priorities. The Intel Xeon w9-3575X is the benchmark leader in 11 of 16 tests, with decisive wins in single-thread performance (33.5%), prime number finding (59.5%), physics (46.4%), and all three Cinebench multi-core tests (13.7% each). For users running software that is single-thread-bound, physics-heavy, or that scales well to 44 cores but not efficiently to 64, the Intel processor delivers measurable advantages. Its 4.80 GHz boost clock and 33% higher memory bandwidth support this profile.

The AMD EPYC 8534P, despite losing the majority of tests, wins the two largest-margin contests: data encryption by 95.5% and integer math by 72.5%. Its data compression lead of 46.9% is also substantial. For server environments handling encrypted traffic, compression workloads, or integer-heavy database operations, the AMD processor offers performance the Intel chip cannot match in those specific domains.

The 64-core AMD part also operates within a 200W TDP versus Intel's 340W, a significant power envelope difference. The Intel chip's 13.7% multi-core Cinebench wins come at a 70% higher power draw, which is relevant for dense deployments. However, the Intel processor's single-thread and physics advantages are harder to dismiss for workstation use cases where per-core speed matters more than raw core count.

Specification Differences

| Specification | AMD EPYC 8534P | Intel Xeon w9-3575X |

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

| Cores | 64 | 44 |

| Threads | 128 | 88 |

| Base Clock | 2.30 GHz | 2.20 GHz |

| Boost Clock | 3.10 GHz | 4.80 GHz |

| TDP | 200W | 340W |

| Socket | AMD Socket SP6 | Intel Socket 4677 |

| Process Node | 5 nm | 10 nm |

| Foundry | TSMC | Intel |

| Die Size | 4x 73 mm² | 4x 477 mm² |

| L1 Cache | 64 KB per core | 80 KB per core |

| L2 Cache | 1 MB per core | 2 MB per core |

| L3 Cache | 128 MB shared | 97.5 MB |

| Memory Bus | Six-channel | Eight-channel |

| Memory Bandwidth | 230.4 GB/s | 307.2 GB/s |

| PCIe | Gen 5, 96 lanes | Gen 5, 112 lanes |

| Multiplier Unlocked | No | Yes |

| Release Date | 2023-09-17 | 2024-08-23 |

| Launch MSRP | $4950 | $3789 |