AMD EPYC 7C13 vs AMD Ryzen Threadripper PRO 9965WX Comparison

The AMD EPYC 7C13 and AMD Ryzen Threadripper PRO 9965WX are both high-end server and workstation parts, but they represent very different design philosophies. The EPYC packs 64 cores into a power-sipping 225 W envelope, while the Threadripper runs a smaller 24-core cluster at much higher clocks with a 350 W TDP. The recorded benchmark data shows a clear split: the Threadripper wins 13 of the 17 head-to-head tests, while the EPYC takes 4. Both processors sit at the 98th percentile in the database, so the question is not whether they are fast, but where each one is fast.

Head-to-Head Benchmarks

The most decisive victories belong to the AMD Ryzen Threadripper PRO 9965WX. In every Cinebench test, from R15 to R23, the Threadripper leads by the same margin of 19.9%. For example, in Cinebench R23 multi-core the Threadripper scores 80,976 against the EPYC's 64,873, and in R23 single-core it scores 11,431 against 9,158. The consistency of that 19.9% gap across all six Cinebench runs is striking; it suggests a fundamental advantage in per-core efficiency rather than a test-specific quirk.

The Threadripper also dominates PassMark single-thread performance, winning by a huge 42.5% (4,551 vs. 2,618). Physics is another strong point, with a 34.9% lead (7,529 vs. 4,904). It also leads in finding prime numbers by 28.3% (752 vs. 539), in extended instruction performance by 21.8% (108,753 vs. 85,034), in multithread score by 17.6% (92,604 vs. 76,322), and in random string sorting by 12.2% (149,617 vs. 131,361).

The EPYC 7C13, however, is not a pushover. Its biggest win is in data encryption, where it scores 114,769 versus the Threadripper's 66,155, a massive 73.5% advantage. It also wins in integer math by 41.1% (492,554 vs. 349,195), in floating-point math by 16.2% (266,846 vs. 229,685), and in data compression by 16.1% (1,562,251 vs. 1,345,230). These are not minor margins; the encryption and integer math gaps are the largest in the entire head-to-head set.

Overall, the data shows a clear pattern: the Threadripper wins the majority of tests, but the EPYC's victories are concentrated in arithmetic and cryptographic workloads. The 64-core EPYC does not win every multi-core test; the 24-core Threadripper beats it in the multithread PassMark test and all Cinebench multi-core runs. That is a notable outcome, because it indicates that the Threadripper's higher base and boost clocks, 4.20 GHz and 5.40 GHz, combined with its newer Zen 5 architecture, can overcome a 40-core deficit in many tasks.

Where Each One Wins

Looking at the benchmark breakdown, the Threadripper PRO 9965WX is the clear choice for workloads that depend on raw clock speed and per-core efficiency. The 42.5% single-thread lead and 34.9% physics win make it well-suited for interactive applications, game physics, and other latency-sensitive tasks. The 19.9% advantage across all Cinebench runs, which are heavily multi-threaded, also suggests that rendering and 3D modeling workloads will finish faster on the Threadripper. Its win in extended instructions (21.8%) and prime-number finding (28.3%) points to strength in cryptography, scientific computing, and other integer-heavy computations.

The EPYC 7C13, by contrast, is the encryption and math specialist. The 73.5% lead in data encryption is the largest single gap in the entire comparison, which means workloads like secure database operations, VPN tunneling, and data-at-rest encryption will run significantly faster on the EPYC. The 41.1% advantage in integer math and 16.2% in floating-point math further solidify the EPYC's position for numerical analysis, data analytics, and high-throughput integer workloads. Its 16.1% edge in data compression makes it a good fit for archive and storage systems that compress data on the fly.

The multi-thread test in PassMark is the only multi-core test that the Threadripper wins (by 17.6%), which is interesting. It suggests that the Threadripper's multithread performance is not just a single-core advantage, but it scales well across its 24 cores. The EPYC's 64 cores, however, do not translate into a multi-thread win in that specific test, which is a sign that the EPYC's strength is more in specific algorithmic patterns (encryption, integer, floating point) rather than general parallel throughput.

The Verdict

The data points to a clear verdict for most users. If your work involves rendering, general-purpose multithreading, single-threaded tasks, physics, or extended instruction sets, the AMD Ryzen Threadripper PRO 9965WX is the faster processor. It wins 13 of the 17 tests, and its 19.9% Cinebench lead and 42.5% single-thread lead are substantial. The Threadripper also has a higher memory bandwidth (409.6 GB/s vs. 204.8 GB/s) and supports DDR5, which the EPYC does not. Its launch MSRP is $2899.

If your workload is centered on data encryption, integer math, floating-point math, or data compression, the AMD EPYC 7C13 is the better fit. The EPYC's 73.5% encryption lead and 41.1% integer math lead are decisive for those tasks. It also has more L3 cache (256 MB vs. 128 MB) and more cores (64 vs. 24), which can help in highly parallel server environments.

In summary, the database shows that the Threadripper PRO 9965WX is the better all-round performer for most workstation tasks, while the EPYC 7C13 is a specialized accelerator for security and number-crunching workloads. Neither processor is a complete winner; the choice depends on the specific mix of applications.

FAQ

Q: Which processor has more cores?

A: The AMD EPYC 7C13 has 64 cores and 128 threads, while the AMD Ryzen Threadripper PRO 9965WX has 24 cores and 48 threads.

Q: Which processor wins in single-thread performance?

A: The Threadripper PRO 9965WX wins decisively, with a PassMark single-thread score of 4,551 versus the EPYC's 2,618, a 42.5% advantage.

Q: Which processor has higher memory bandwidth?

A: The Threadripper PRO 9965WX has 409.6 GB/s of bandwidth, double the EPYC 7C13's 204.8 GB/s. The Threadripper also supports DDR5, while the EPYC uses DDR4.

Q: Which processor has more L3 cache?

A: The EPYC 7C13 has 256 MB of shared L3 cache, while the Threadripper PRO 9965WX has 128 MB.

Q: What is the launch MSRP of the Threadripper PRO 9965WX?

A: The launch MSRP is $2899.

Q: Which processor is newer?

A: The Threadripper PRO 9965WX has a release date of 2025-07-22, while the EPYC 7C13 has no listed release date in the database.

Architecture Differences

The two processors are built on different architectures. The EPYC 7C13 uses Zen 3 (codename Milan) and is manufactured on a 7 nm process at TSMC. The Threadripper PRO 9965WX uses Zen 5 (codename Shimada Peak) and is on a 4 nm process, also at TSMC. The Threadripper uses a smaller die size of 4x 70.6 mm², while the EPYC has 8x 81 mm² dies. The transistor counts are very close: 33,200 million for the EPYC and 33,260 million for the Threadripper.

The EPYC's cache layout is also different. Both have 64 KB of L1 per core, but the EPYC has 512 KB of L2 per core, while the Threadripper has 1 MB per core. The EPYC has a larger shared L3 (256 MB) versus the Threadripper's 128 MB. The Threadripper supports DDR5 memory, whereas the EPYC only supports DDR4, and the Threadripper's memory bus is eight-channel with 409.6 GB/s bandwidth, compared to the EPYC's eight-channel 204.8 GB/s. The Threadripper also has PCIe Gen 5 with 128 lanes, while the EPYC has PCIe Gen 4 with 128 lanes.

Specification Differences

Here are the key differences between the two processors:

| Specification | EPYC 7C13 | Threadripper PRO 9965WX |

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

| Cores | 64 | 24 |

| Threads | 128 | 48 |

| Base Clock | 2000.00 MHz | 4200.00 MHz |

| Boost Clock | 3.68 GHz | 5.40 GHz |

| TDP | 225 W | 350 W |

| Process Node | 7 nm | 4 nm |

| Socket | AMD Socket SP3 | AMD Socket sTR5 |

| Architecture | Zen 3 (Milan) | Zen 5 (Shimada Peak) |

| L2 Cache per core | 512 KB | 1 MB |

| L3 Cache | 256 MB | 128 MB |

| Memory Support | DDR4 | DDR5 |

| Memory Bandwidth | 204.8 GB/s | 409.6 GB/s |

| PCIe | Gen 4, 128 lanes | Gen 5, 128 lanes |

| Integrated Graphics | N/A | N/A |

| Multiplier Unlocked | No | Yes |

| Part Number | 100-000000315 | 100-000000724 |

The Threadripper also has a release date of 2025-07-22, while the EPYC does not list one in the database. The EPYC's average benchmark score is 167,788, while the Threadripper's is 147,009, but that is skewed by the EPYC's strong encryption and integer math scores. Both processors are at the 98th percentile of all CPUs, but they excel in different areas, as the head-to-head data shows.