AMD EPYC 7413 vs AMD Ryzen 7 PRO 9755X3D Comparison

The AMD EPYC 7413 and AMD Ryzen 7 PRO 9755X3D represent two fundamentally different approaches to high-performance computing. The EPYC 7413 is a 24-core server processor built on the Zen 3 architecture, while the Ryzen 7 PRO 9755X3D is an 8-core Zen 5 part with 3D V-Cache. The benchmark data shows a clear split: the EPYC dominates in multi-threaded and throughput-oriented tasks, while the Ryzen wins decisively in single-thread performance. This comparison quantifies exactly how far the gap extends in each direction.

Head-to-Head Benchmarks

The EPYC 7413 wins 8 of the 11 head-to-head benchmark comparisons, and its victories are often by substantial margins. The largest discrepancy appears in data encryption, where the EPYC scores 48,492 against the Ryzen’s 22,632, a 114.3% advantage. This is an enormous lead, indicating that the EPYC’s higher core count and server-oriented design are far better suited to cryptographic workloads. Similarly, in integer math, the EPYC scores 215,629 versus the Ryzen’s 119,404, a margin of 80.6%. This suggests that the EPYC’s 24 cores provide nearly double the raw integer processing throughput.

Data compression is another major win for the EPYC. It scores 715,616 compared to the Ryzen’s 469,207, which translates to a 52.5% lead. Random string sorting follows a similar pattern, with the EPYC at 81,134 and the Ryzen at 49,050, a 65.4% edge. Floating-point math also favors the EPYC, scoring 118,881 against the Ryzen’s 80,284, a 48.1% difference. In the multithread benchmark, the EPYC scores 50,641 versus the Ryzen’s 40,474, a 25.1% lead, and in the physics test, the EPYC wins 4,708 to 4,056, a 16.1% margin. Extended instructions favor the EPYC as well, with scores of 45,696 versus 38,436, an 18.9% difference.

However, the Ryzen 7 PRO 9755X3D is not without its own decisive victories. The most significant is in single-thread performance, where it scores 4,443 against the EPYC’s 2,400, a 46% advantage. This is a massive gap, showing that the Ryzen’s high base and boost clocks, combined with the modern Zen 5 architecture, deliver far superior per-core speed. The Ryzen also wins in find prime numbers, scoring 451 versus the EPYC’s 397, a 12% advantage.

The Verdict

The data presents a straightforward conclusion. The AMD EPYC 7413 is the clear choice for server workloads that demand maximum parallel throughput. Its wins in multithread, integer math, and data encryption demonstrate that it excels in tasks that can use its 24 cores and 48 threads effectively. For anyone building a workstation or server for virtualization, database processing, or heavy batch workloads, the EPYC’s lead is substantial and meaningful.

The AMD Ryzen 7 PRO 9755X3D is the better option for workloads that rely on single-thread performance. Its 46% lead in single-thread benchmarks is enormous, and its 12% advantage in prime number finding indicates its strength in certain mathematical operations. The Ryzen is also a better fit for environments where space, power, and platform costs are a concern, as it comes from the AM5 platform. The data shows that the average benchmark score of the EPYC (80,041) is higher than the Ryzen (75,716), but this is a misleading figure for the single-thread nature of the Ryzen’s portfolio.

In short, the EPYC wins on raw parallel power, while the Ryzen wins on responsiveness and speed per core. The choice depends entirely on whether the workload scales across many cores or requires maximum speed from a single thread.

Architecture Differences

The architectural chasm between these two processors is deep. The EPYC 7413 is based on the Zen 3 architecture, codenamed Milan, and is manufactured on a 7 nm process at TSMC. It uses 4 dies, each with a die size of 81 mm², totaling a large physical footprint. The Ryzen 7 PRO 9755X3D is built on the Zen 5 architecture, codenamed Granite Ridge, and is manufactured on a more advanced 4 nm process. Its die size is only 70.6 mm², reflecting the newer, denser node.

The EPYC 7413 features a 128 MB shared L3 cache, which is substantial for a server chip. The Ryzen 7 PRO 9755X3D, despite having fewer cores, has a 96 MB shared L3 cache, which is still large, but the EPYC’s cache is larger in total capacity. The Ryzen’s L2 cache is 1 MB per core, which is larger than the EPYC’s 512 KB per core, but the EPYC’s L1 cache is 64 KB per core versus the Ryzen’s 80 KB per core.

The memory setups are also fundamentally different. The EPYC uses DDR4 memory with an eight-channel memory bus, providing 204.8 GB/s of bandwidth. The Ryzen uses DDR5 memory with a dual-channel memory bus, which provides 89.6 GB/s of bandwidth. The Ryzen also has integrated graphics (Radeon Graphics), which the EPYC lacks. The EPYC supports PCIe Gen 4 with 128 lanes, while the Ryzen uses PCIe Gen 5 with 24 lanes. The Ryzen is unlocked, but the EPYC is not.

Specification Differences

The specification table reveals a clear split in processor design. The EPYC 7413 has 24 cores and 48 threads, while the Ryzen 7 PRO 9755X3D has only 8 cores and 16 threads. The EPYC’s base clock is 2.65 GHz, and its boost clock is 3.60 GHz. The Ryzen’s base clock is 4.70 GHz, and its boost clock is 5.20 GHz. The Ryzen has a significantly higher clock speed, which directly explains its single-thread advantage.

The thermal design power (TDP) also differs dramatically: the EPYC is rated at 180 W, while the Ryzen is rated at 120 W. The EPYC uses an AMD Socket SP3, while the Ryzen uses an AMD Socket AM5. The EPYC was released on 2021-03-14, with a launch MSRP of $1825, while the Ryzen has a release date of 2026-06-29. The EPYC is an unlocked multiplier, while the Ryzen is not.

FAQ

Q: Is the EPYC 7413 always faster than the Ryzen 7 PRO 9755X3D?

A: No. The EPYC wins in 8 of the 11 benchmark comparisons, but the Ryzen wins in the other 3. The Ryzen is much faster in single-thread tests and prime number finding.

Q: How much faster is the EPYC in data encryption?

A: The EPYC scores 48,412 in data encryption, which is 114.3% higher than the Ryzen’s 22,632. This is the largest margin in any single test.

Q: What is the difference in single-thread performance?

A: The Ryzen scores 4,443 in the single-thread benchmark, which is 46% higher than the EPYC’s 2,400. The Ryzen is the clear winner for single-thread speed.

Q: Which processor has a higher memory bandwidth?

A: The EPYC has a memory bandwidth of 204.8 GB/s, which is much higher than the Ryzen’s 89.6 GB/s. This is due to the EPYC’s eight-channel memory bus.

Q: Which processor is based on a more advanced manufacturing process?

A: The Ryzen 7 PRO 9755X3D is built on a 4 nm process, while the EPYC is built on a 7 nm process. The 4 nm process is more advanced, allowing for higher clocks and lower power.

Q: Does the Ryzen have integrated graphics?

A: Yes, the Ryzen 7 PRO 9755X3D includes Radeon Graphics as an integrated graphics option, while the EPYC does not have integrated graphics.

Where Each One Wins

The EPYC 7413 wins in eight of the eleven benchmark categories. It is the obvious choice for any workload that can use many threads and cores. Its wins in data compression, integer math, and multithread performance make it ideal for server-side data processing, virtualization, and scientific calculations. The EPYC’s 80.6% lead in integer math is particularly relevant for database and spreadsheet-like operations. Its 52.5% lead in compression is also a strong indicator for storage and archiving systems.

The Ryzen 7 PRO 9755X3D wins in three categories, but its two single-thread wins are the most important. It is the better choice for tasks that are not optimized for multi-core, such as light scripting, certain legacy applications, and any workload that relies on a fast single core. The 46% lead in single-thread performance is a massive advantage that will be noticeable in daily use. Its 12% win in find prime numbers also suggests it is well-suited for certain types of scientific and mathematical computing.

In short, the EPYC is a server workhorse, while the Ryzen is a high-performance desktop processor. For a multi-threaded, heavy-duty server, the EPYC is the winner. For a responsive, high-frequency workstation, the Ryzen is the winner. The data supports this split, and the choice is clear based on the workload.