AMD EPYC 7642 vs Intel Xeon w7-2595X Comparison

Head-to-Head Benchmarks

The recorded data presents a clear split in workload character between the AMD EPYC 7642 and the Intel Xeon w7-2595X. Out of 17 head-to-head comparisons, the Intel processor wins 11, while the AMD EPYC claims 6. However, the margins on each side tell a more nuanced story than the raw win count.

The Intel Xeon w7-2595X dominates the Cinebench suite across the board. In Cinebench R15 multicore, it scores 5530 against the EPYC's 5037, a delta of -8.9% from the AMD part's perspective. The pattern repeats in Cinebench R20 multicore (23042 vs 20989) and Cinebench R23 multicore (54863 vs 49975), each with the same -8.9% delta. Single-core results mirror this: the Xeon leads by -8.8% in R15 (780 vs 711) and -8.9% in both R20 (3252 vs 2963) and R23 (7745 vs 7055). These consistent margins suggest the Intel chip's higher boost clock translates into a steady advantage in lightly threaded and moderately threaded rendering tasks.

The most dramatic Intel win appears in PassMark single-thread tests. Here the Xeon scores 3723 against the EPYC's 2052, a massive -44.9% delta. This is the largest performance gap in either direction across all recorded benchmarks. The Xeon also leads in PassMark extended instructions (77613 vs 68841, -11.3%) and floating point math (202906 vs 181887, -10.4%). The multithreaded PassMark score goes to Intel as well (64628 vs 58795, -9%).

The AMD EPYC 7642 counterattacks in several specialized workloads. The largest Intel deficit appears in PassMark data encryption, where the EPYC scores 86397 versus the Xeon's 49782, a 73.6% advantage. PassMark physics also favors AMD heavily: 5098 vs 2759, a 84.8% lead. Prime number finding shows a 91.5% advantage (496 vs 259), the largest relative margin for either chip in the entire comparison. Data compression goes to AMD at 1195584 vs 983046, a 21.6% edge. Integer math follows with 305303 vs 261384, a 16.8% lead. Random string sorting rounds out the AMD wins at 114871 vs 102230, a 12.4% delta.

The pattern is striking: Intel wins the rendering and general compute benchmarks with modest, consistent margins, while AMD wins the specialized cryptographic, compression, and physics workloads with much larger percentage gaps. The EPYC's average benchmark score of 124006 places it in the 97th percentile of all CPUs, while the Xeon's average of 108663 also sits in the 97th percentile. Both are exceptional parts, but they excel in different domains.

FAQ

Q: Which processor has the higher single-core performance?

A: The Intel Xeon w7-2595X is clearly ahead in single-threaded workloads. PassMark single-thread scores show the Xeon at 3723 versus the EPYC's 2052, a -44.9% delta. Cinebench R23 single-core confirms the trend: 7745 for Intel versus 7055 for AMD.

Q: Where does the AMD EPYC 7642 show its biggest advantages?

A: The EPYC's largest wins come in PassMark physics (5098 vs 2759, a 84.8% lead) and data encryption (86397 vs 49782, a 73.6% lead). It also beats the Xeon by 91.5% in prime number finding, though the absolute scores are low for both chips.

Q: How do the two compare in multi-core rendering?

A: The Intel Xeon wins every Cinebench multicore test. In Cinebench R23 multicore, it scores 54863 against the EPYC's 49975, a -8.9% delta. The R15 and R20 multicore results follow the same pattern with nearly identical margins.

Q: Do the two CPUs have similar overall benchmark averages?

A: The EPYC 7642 has a higher average benchmark score of 124006 compared to the Xeon's 108663. Both processors sit in the 97th percentile of all CPUs, but the EPYC's average is boosted by its massive wins in specialized workloads like encryption and compression.

Q: Which processor wins more head-to-head comparisons?

A: The Intel Xeon w7-2595X wins 11 of the 17 recorded comparisons. The AMD EPYC 7642 wins 6. However, the AMD wins tend to have larger percentage margins, particularly in data encryption and physics.

Q: Is there a workload where the EPYC is over 90% faster than the Xeon?

A: Yes, in PassMark find prime numbers, the EPYC scores 496 against the Xeon's 259, a 91.5% advantage. This is the largest relative margin recorded in the entire benchmark set.

Where Each One Wins

The Intel Xeon w7-2595X is the choice for rendering and general-purpose compute. Every Cinebench test, both single-core and multicore, goes to Intel with consistent -8.9% deltas. Professionals running CPU-based rendering in applications like Cinema 4D will see the Xeon finish jobs faster across R15, R20, and R23 workloads. The PassMark multithread score also favors Intel (64628 vs 58795), reinforcing that the Xeon handles heavily threaded general workloads well despite having fewer cores.

The Xeon also wins in tasks that benefit from high clock speeds and modern instruction efficiency. Single-thread performance is its standout category, with a 44.9% lead in PassMark single-thread tests. Extended instructions and floating point math also favor Intel, making it suitable for scientific computing and engineering simulations that rely on vectorized code.

The AMD EPYC 7642 wins where parallelism and specialized accelerators matter. Its 48 cores and 96 threads provide a massive advantage in data compression (21.6% faster), integer math (16.8% faster), and random string sorting (12.4% faster). Server-side workloads like database operations, data warehousing, and file compression will benefit from the EPYC's throughput.

Security and cryptographic workloads strongly favor AMD. The 73.6% lead in data encryption is substantial, suggesting the EPYC 7642 handles encryption and decryption tasks with significantly higher throughput. Physics simulations also show an 84.8% advantage for AMD, which could matter for certain types of modeling and simulation workloads.

Specification Differences

The two processors differ fundamentally in core configuration. The AMD EPYC 7642 packs 48 cores and 96 threads, while the Intel Xeon w7-2595X offers 26 cores and 52 threads. Despite the core deficit, the Xeon achieves higher clock speeds: a base clock of 2.80 GHz and boost clock of 4.80 GHz, compared to the EPYC's 2.40 GHz base and 3.40 GHz boost.

Power envelopes are close but not identical. The EPYC has a TDP of 225 watts, while the Xeon is rated at 250 watts. Both are high-power parts aimed at server and workstation platforms.

Memory architecture diverges significantly. The EPYC supports DDR4 memory across an eight-channel bus, delivering 204.8 GB/s of bandwidth. The Xeon uses DDR5 on a quad-channel bus, with 153.6 GB/s of bandwidth. While the Xeon uses newer memory technology, the EPYC's additional channels provide higher theoretical bandwidth.

PCIe capabilities also differ. The EPYC offers Gen 4 connectivity, while the Xeon provides Gen 5 with 64 lanes (CPU only). Both support ECC memory.

The Xeon has an unlocked multiplier, while the EPYC does not. This makes the Intel part more flexible for overclocking scenarios, assuming the platform allows it.

Architecture Differences

The AMD EPYC 7642 is built on the Zen 2 architecture with the codename Rome, part of the EPYC 7002 series. It uses a 7 nm process manufactured by TSMC, with 3,800 million transistors on a 74 mm² die. The Xeon w7-2595X belongs to the Sapphire Rapids generation of Xeon W processors, built on Intel's 10 nm process.

Cache hierarchies are structured differently. The EPYC provides 96 KB of L1 cache per core, 512 KB of L2 cache per core, and a massive 256 MB of shared L3 cache. The Xeon offers 80 KB of L1 per core, 2 MB of L2 per core, and 48.75 MB of L3 cache total. The EPYC's eight times larger L3 cache likely contributes to its compression and encryption advantages.

The socket platforms are incompatible: the EPYC uses AMD Socket SP3, while the Xeon uses Intel Socket 4677. The EPYC was released on 2019-08-06, and the Xeon on 2024-08-23. The EPYC has a part number of 100-000000074, and the Xeon is SRN4C.

The Xeon has a launch MSRP of $2039. The EPYC's launch MSRP is not recorded in the database.

The Verdict

The data points to two distinct usage profiles. The Intel Xeon w7-2595X is the better choice for single-threaded and moderately threaded workloads. Its 44.9% lead in PassMark single-thread performance and consistent wins across all Cinebench versions make it the obvious pick for rendering workstations where clock speed matters. The unlocked multiplier adds flexibility for users who want to push beyond stock frequencies.

The AMD EPYC 7642 is the better choice for heavily parallel, specialized workloads. Its 73.6% advantage in data encryption and 84.8% lead in physics simulations demonstrate clear superiority in those domains. The 21.6% compression advantage and 16.8% integer math lead make it suitable for data-centric server environments. The 256 MB L3 cache and eight-channel memory interface provide the foundation for these wins.

For users who need a general-purpose workstation CPU that excels at rendering and everyday compute, the Xeon w7-2595X delivers higher performance in the most common benchmark categories. For users running encryption-heavy services, compression pipelines, or physics simulations, the EPYC 7642 offers dramatic advantages that outweigh its losses in single-threaded tasks. The 97th percentile ranking for both processors confirms that either choice represents top-tier performance, but the correct selection depends entirely on the workload mix.