AMD EPYC Embedded 8224P vs AMD Ryzen 7 PRO 9755 Comparison

The AMD EPYC Embedded 8224P and AMD Ryzen 7 PRO 9755 occupy opposite ends of the performance spectrum, despite both being active server/workstation parts from AMD. The EPYC Embedded 8224P, a 24-core Zen 4c part from the Siena family, is engineered for dense, multi-threaded throughput, while the Ryzen 7 PRO 9755, an 8-core Zen 5 Granite Ridge chip, prioritizes high-frequency responsiveness. Benchmark data shows the EPYC winning 9 of 11 head-to-head tests, but the Ryzen 7 PRO taking a decisive victory in single-threaded workloads, making the choice between them entirely dependent on the workload’s shape.

FAQ

Q: Which processor has more cores and threads?

A: The AMD EPYC Embedded 8224P has 24 cores and 48 threads, while the AMD Ryzen 7 PRO 9755 has 8 cores and 16 threads. This threefold core advantage is the primary driver of the EPYC’s multi-threaded dominance.

Q: How do their single-threaded benchmark scores compare?

A: In the PassMark single-thread test, the Ryzen 7 PRO 9755 scores 4606, which is 95.4% higher than the EPYC Embedded 8224P’s score of 2357. The head-to-head deltaPct shows the Ryzen 7 PRO winning by 48.8% in relative terms.

Q: What is the difference in memory bandwidth?

A: The EPYC Embedded 8224P supports six-channel DDR5 memory with a bandwidth of 230.4 GB/s, whereas the Ryzen 7 PRO 9755 uses dual-channel DDR5 with a bandwidth of 89.6 GB/s. The EPYC provides over 2.5 times the memory throughput.

Q: Which CPU has a higher boost clock?

A: The Ryzen 7 PRO 9755 has a boost clock of 5.40 GHz, compared to the EPYC Embedded 8224P’s boost clock of 3.00 GHz. This 2.4 GHz difference explains the Ryzen’s superior single-thread performance.

Q: What is the difference in L3 cache capacity?

A: The EPYC Embedded 8224P has 64 MB of shared L3 cache, while the Ryzen 7 PRO 9755 has 32 MB of shared L3 cache. The EPYC’s larger L3 pool benefits workloads with large, repeated data access patterns.

Q: Which processor has a higher average benchmark score?

A: The EPYC Embedded 8224P has an average benchmark score of 76492, while the Ryzen 7 PRO 9755 has an average score of 75738. Both CPUs sit at the 95th percentile of all CPUs, but the EPYC edges ahead by roughly 1% in aggregate.

Where Each One Wins

The AMD EPYC Embedded 8224P is the clear winner for parallel, throughput-bound tasks. It dominates in every multi-threaded PassMark test, including floating-point math (120066 vs 81456, a 47.4% lead), integer math (193256 vs 122411, a 57.9% lead), and data encryption (43619 vs 22577, a 93.2% lead). The EPYC also wins heavily in physics simulation (4110 vs 2257, an 82.1% lead) and random string sorting (85505 vs 49326, a 73.3% lead), indicating its 24-core design is ideal for scientific computing, database operations, and server-side data processing.

The AMD Ryzen 7 PRO 9755 wins in exactly one category: single-threaded performance. Its PassMark single-thread score of 4606 is nearly double the EPYC’s 2357, and it also leads in the extended instructions test (38976 vs 46091, though this is a loss overall). This makes the Ryzen 7 PRO the better choice for lightly threaded applications, real-time processing, or any workload where a single core’s clock speed is the bottleneck. Its 5.40 GHz boost clock versus 3.00 GHz for the EPYC is the decisive factor.

Architecture Differences

The two processors come from fundamentally different design philosophies. The EPYC Embedded 8224P uses the Zen 4c architecture, codenamed Siena, which is optimized for core density and power efficiency per core. It is built on a 5 nm process at TSMC with 17,750 million transistors across a 2x 73 mm² die configuration. This dense design allows 24 cores in a single socket, but requires lower clocks to manage thermal and power budgets.

The Ryzen 7 PRO 9755 uses the newer Zen 5 architecture, codenamed Granite Ridge, built on a 4 nm process at TSMC. It has 8,315 million transistors on a 70.6 mm² die, which is a smaller and more thermally efficient design per core. The architectural leap to Zen 5 delivers significantly higher instructions-per-clock, which is why the Ryzen can achieve a 5.40 GHz boost clock despite having fewer cores. The EPYC’s L1 cache is 64 KB per core, while the Ryzen’s is 80 KB per core, reflecting Zen 5’s larger per-core resources.

The EPYC also features a higher TDP of 160 watts versus 120 watts for the Ryzen, and it uses the AMD Socket SP6 platform with 96 PCIe Gen 5 lanes. The Ryzen 7 PRO 9755 uses the AMD Socket AM5 with 24 PCIe Gen 5 lanes and includes integrated Radeon Graphics, whereas the EPYC has no integrated graphics. Both support ECC memory and DDR5, but the EPYC’s six-channel memory controller is a server-grade feature.

Specification Differences

The core count is the most obvious difference: 24 cores and 48 threads for the EPYC Embedded 8224P versus 8 cores and 16 threads for the Ryzen 7 PRO 9755. Base clocks are 2.55 GHz for the EPYC and 3.80 GHz for the Ryzen, while boost clocks are 3.00 GHz and 5.40 GHz, respectively. The TDP is 160 watts for the EPYC and 120 watts for the Ryzen.

Memory configuration diverges sharply. The EPYC uses a six-channel DDR5 memory bus with 230.4 GB/s bandwidth, while the Ryzen uses a dual-channel bus with 89.6 GB/s. PCIe lanes are also asymmetric: 96 Gen 5 lanes for the EPYC versus 24 Gen 5 lanes for the Ryzen. The EPYC has no integrated graphics, whereas the Ryzen includes Radeon Graphics. The process node is 5 nm for the EPYC and 4 nm for the Ryzen, with transistor counts of 17,750 million versus 8,315 million and die sizes of 2x 73 mm² versus 70.6 mm². The EPYC is from the EPYC 8004 series, while the Ryzen is from the 9000 series.

Head-to-Head Benchmarks

The EPYC Embedded 8224P’s largest victory comes in data encryption, where it scores 43619 against the Ryzen 7 PRO 9755’s 22577, a 93.2% advantage. This suggests the EPYC’s 48 threads are exceptionally well-suited for cryptographic workloads, which scale almost linearly with core count. Physics simulation is another major win, with the EPYC at 4110 versus 2257, an 82.1% lead, indicating strong multi-threaded floating-point capability.

Integer math shows a 57.9% lead for the EPYC (193256 vs 122411), and floating-point math shows a 47.4% lead (120066 vs 81456). Data compression favors the EPYC at 681754 versus 467988, a 45.7% lead, and prime number finding shows a 45.2% lead (286 vs 197). Random string sorting is another EPYC win at 85505 versus 49326, a 73.3% lead, and the multithread score is 48873 versus 38721, a 26.2% lead. Extended instructions show a narrower 18.3% EPYC advantage (46091 vs 38976).

The Ryzen 7 PRO 9755 wins the single-thread test decisively, scoring 4606 versus 2357 for the EPYC, a 48.8% relative lead. This is its only head-to-head win, but it is a critical one for interactive or latency-sensitive applications. The Ryzen also wins the singlethread test with the same scores, confirming the consistency of its single-core advantage.

The Verdict

The data points to a clear bifurcation. The AMD EPYC Embedded 8224P is the correct choice for any workload that can utilize more than a handful of cores. Its 24-core design delivers substantial wins in all multi-threaded PassMark tests, with leads ranging from 18.3% in extended instructions to 93.2% in data encryption. The EPYC also offers superior memory bandwidth (230.4 GB/s versus 89.6 GB/s) and six-channel memory support, making it suitable for memory-intensive server applications. Its 95th percentile ranking and average score of 76492 confirm its position as a high-throughput part.

The AMD Ryzen 7 PRO 9755 is the pick when single-threaded performance is paramount. Its 4606 single-thread score is nearly double the EPYC’s, and its 5.40 GHz boost clock is unmatched in this comparison. With an average benchmark score of 75738 and a 95th percentile ranking, it is a capable workstation processor, but its 8-core design limits its multi-threaded ceiling. For users running legacy code or single-threaded simulation tools, the Ryzen 7 PRO 9755 offers a significant responsiveness advantage.

Choose the EPYC Embedded 8224P for virtualization, database hosting, content rendering, and scientific computing. Choose the Ryzen 7 PRO 9755 for CAD, software compilation, or any workflow where the critical path runs through a single core. Both are active, production-ready AMD parts, but they serve different masters.