AMD EPYC 9554 vs AMD Ryzen 3 PRO 5355G Comparison

Head-to-Head Benchmarks

The benchmark results for these two processors come from different test suites, which makes direct comparison challenging but still revealing. The AMD Ryzen 3 PRO 5355G was measured with PassMark tests, while the AMD EPYC 9554 was evaluated using Cinebench R15, R20, and R23. There is no overlapping test in the database, so the comparison relies on interpreting each processor's performance profile in absolute terms.

The Ryzen 3 PRO 5355G posts an average benchmark score of 27,382, placing it in the 79th percentile of all CPUs. Its nearest rival, the Intel Core i7-13700H, scores 27,355, a delta of just 0.1% in favor of the Ryzen. The AMD Ryzen 7 5800 trails by 0.6%, and the Intel Core i5-12600K trails by 0.7%. This places the Ryzen 3 PRO 5355G squarely in upper-midrange territory, competitive with mainstream desktop and mobile processors from the previous generation.

The EPYC 9554, by contrast, records an average benchmark score of 26,743, also in the 79th percentile. Its nearest rival is the AMD Ryzen 5 5500GT at 26,748, a negligible delta of 0%. The Intel Core i9-11900K scores 26,639, a 0.4% gap, and the AMD Ryzen 5 7545U trails by 0.4%. The EPYC's average score is lower than the Ryzen 3 PRO's, which is a quirk of the different benchmark suites used, not a reflection of raw capability.

Looking at the individual tests, the Ryzen 3 PRO 5355G shows strong single-thread performance with a PassMark single-thread score of 3,096. Its multithread score of 14,033 reflects the 4-core, 8-thread configuration. The integer math score is 45,910, floating point math is 25,245, and extended instructions score 11,935. Data encryption scores 10,288, data compression 168,041, and random string sorting 18,819. Physics tests return 701, and finding prime numbers scores 36. These numbers indicate a well-balanced desktop chip with respectable throughput for its core count.

The EPYC 9554 delivers dramatically different results in Cinebench. In Cinebench R23, the multicore score is 92,457, while the single-core score is 13,052. In Cinebench R20, multicore reaches 38,831 and single-core 5,481. Cinebench R15 multicore scores 9,319 and single-core 1,315. These multicore figures are enormous, reflecting the 64-core, 128-thread design. The single-core scores are also strong, showing that the EPYC 9554 does not sacrifice per-core performance for density, a rare combination in server processors.

The Ryzen 3 PRO 5355G's highest PassMark multithread score of 14,033 is less than one-sixth of the EPYC 9554's Cinebench R23 multicore result. The database records no overlapping benchmarks between the two, so exact percentage differences across the same test are not available in the database. What the data does show is that the EPYC 9554 scales massively in multicore workloads, while the Ryzen 3 PRO 5355G holds its own in single-threaded and lightly threaded tasks.

Architecture Differences

The architectural gap between these two processors is substantial. The Ryzen 3 PRO 5355G is built on the Zen 3 architecture with the Cezanne codename, part of the 5000 series. It uses a 7 nm process from TSMC, with 10,700 million transistors on a 180 mm² die. The EPYC 9554 uses the Zen 4 architecture with the Genoa codename, part of the EPYC 9004 series. It is built on a 5 nm process, also from TSMC, with 52,560 million transistors spread across 8 dies, each 72 mm².

Core counts differ wildly. The Ryzen 3 PRO 5355G has 4 cores and 8 threads. The EPYC 9554 has 64 cores and 128 threads, a sixteen-fold difference in core count and thread count. Clock speeds tell a different story: the Ryzen 3 PRO 5355G has a base clock of 4.00 GHz and a boost clock of 4.20 GHz. The EPYC 9554 has a base clock of 3.10 GHz and a boost clock of 3.75 GHz. The Ryzen 3 PRO 5355G runs faster at both base and boost, but the EPYC 9554 makes up for it with sheer core count.

Cache hierarchies also diverge sharply. Both processors have 64 KB of L1 cache per core. The L2 cache is 512 KB per core on the Ryzen 3 PRO 5355G, while the EPYC 9554 has 1 MB per core, double the L2 per core. The L3 cache is the biggest difference: the Ryzen 3 PRO 5355G has 8 MB total, while the EPYC 9554 has 256 MB shared. That is a 32-fold difference in L3 capacity.

Memory support is another major split. The Ryzen 3 PRO 5355G supports DDR4 memory on a dual-channel bus, with a memory bandwidth of 51.2 GB/s. The EPYC 9554 supports DDR5 on a twelve-channel bus, with a memory bandwidth of 460.8 GB/s, roughly nine times the bandwidth. Both support ECC memory, which is notable for a desktop chip like the Ryzen 3 PRO 5355G.

PCIe connectivity differs as well. The Ryzen 3 PRO 5355G provides PCIe Gen 3 with 16 lanes from the CPU. The EPYC 9554 provides PCIe Gen 5 with 128 lanes from the CPU, an eight-fold increase in lane count and two generations newer. The Ryzen 3 PRO 5355G also includes integrated graphics in the form of Radeon Vega 6, while the EPYC 9554 has no integrated graphics, which is typical for a server processor.

The sockets are incompatible. The Ryzen 3 PRO 5355G uses AMD Socket AM4, while the EPYC 9554 uses AMD Socket SP5. The TDP is also vastly different: 65 watts for the Ryzen 3 PRO 5355G versus 360 watts for the EPYC 9554. The Ryzen 3 PRO 5355G launched on 2024-09-04, while the EPYC 9554 launched earlier on 2022-11-09. The EPYC 9554 has a launch MSRP of $9087, while the Ryzen 3 PRO 5355G has no recorded launch MSRP in the database. Neither processor has an unlocked multiplier.

Where Each One Wins

The Ryzen 3 PRO 5355G wins in any scenario where single-thread responsiveness and low power consumption matter. Its 4.20 GHz boost clock is higher than the EPYC 9554's 3.75 GHz, and its single-thread PassMark score of 3,096 indicates strong per-core performance. Desktop workloads like everyday productivity, web browsing, and light content creation would favor the Ryzen 3 PRO 5355G, especially given its 65 watt TDP and integrated Radeon Vega 6 graphics, which eliminate the need for a discrete GPU in basic systems.

The EPYC 9554 wins decisively in heavily threaded workloads. Its Cinebench R23 multicore score of 92,457 is a clear indicator of massive parallel throughput. Server virtualization, database processing, scientific computing, and rendering tasks that can utilize 128 threads would see enormous performance advantages on the EPYC 9554. The twelve-channel DDR5 memory bus with 460.8 GB/s bandwidth and 128 PCIe Gen 5 lanes also favor the EPYC 9554 for data-intensive workloads that require high memory bandwidth and extensive I/O.

The Ryzen 3 PRO 5355G also wins on platform simplicity. The AM4 socket, DDR4 memory support, and integrated graphics make it a straightforward drop-in for a desktop system. The EPYC 9554 requires an SP5 socket, DDR5 memory, and a server motherboard, which are all enterprise-class components.

The EPYC 9554 wins on raw memory capacity and bandwidth. The 460.8 GB/s bandwidth is roughly nine times that of the Ryzen 3 PRO 5355G, which matters for workloads that stream large datasets. The 256 MB of L3 cache also gives the EPYC 9554 a massive advantage in workloads with large working sets that fit in cache.

For gaming, the data is less clear because no gaming benchmarks are in the database. However, the Ryzen 3 PRO 5355G's higher clock speeds and integrated graphics suggest it would be the more practical choice for a mainstream desktop. The EPYC 9554's lower clock speeds and lack of integrated graphics make it unsuitable for such use cases, despite its enormous core count.

The Verdict

The data points to a clear split by use case. The AMD Ryzen 3 PRO 5355G is the appropriate choice for a desktop system where single-thread performance, low power draw, and integrated graphics are priorities. Its 65 watt TDP, AM4 socket compatibility, and DDR4 support make it a practical mainstream option. The PassMark scores confirm it is competitive with processors like the Intel Core i7-13700H and AMD Ryzen 7 5800, sitting in the 79th percentile of all CPUs.

The AMD EPYC 9554 is the appropriate choice for server and workstation deployments where thread count and memory bandwidth dominate. Its 64 cores and 128 threads, 256 MB L3 cache, twelve-channel DDR5 support, and 128 PCIe Gen 5 lanes are all enterprise-grade features. The Cinebench multicore results, particularly the R23 score of 92,457, demonstrate extreme parallel capability. The 79th percentile ranking is misleading in this context because the average benchmark score is calculated from a different suite, but the multicore Cinebench numbers are unambiguous.

The user should pick the Ryzen 3 PRO 5355G if they are building or upgrading a desktop and need a capable, efficient processor with integrated graphics. The user should pick the EPYC 9554 if they are provisioning a server or workstation that will run heavily multithreaded workloads and require maximum memory bandwidth and PCIe connectivity. The launch MSRP of $9087 for the EPYC 9554 reflects its enterprise positioning, while the Ryzen 3 PRO 5355G has no recorded launch MSRP, indicating a more accessible market segment.

Neither processor is a substitute for the other. The Ryzen 3 PRO 5355G cannot scale to 128 threads, and the EPYC 9554 cannot run efficiently at 65 watts or fit in an AM4 socket. The data supports each processor in its respective domain without qualification.

FAQ

Q: Which processor has more cores?

A: The AMD EPYC 9554 has 64 cores and 128 threads, while the AMD Ryzen 3 PRO 5355G has 4 cores and 8 threads.

Q: What is the single-thread performance difference?

A: The Ryzen 3 PRO 5355G has a PassMark single-thread score of 3,096 and a boost clock of 4.20 GHz. The EPYC 9554 has a Cinebench R23 single-core score of 13,052 and a boost clock of 3.75 GHz. The tests are different, but the Ryzen 3 PRO 5355G has the higher boost clock.

Q: Does the EPYC 9554 support ECC memory?

A: Yes, the EPYC 9554 supports ECC memory. The Ryzen 3 PRO 5355G also supports ECC memory, which is uncommon for a desktop processor.

Q: What memory types do these processors support?

A: The Ryzen 3 PRO 5355G supports DDR4 on a dual-channel bus with 51.2 GB/s bandwidth. The EPYC 9554 supports DDR5 on a twelve-channel bus with 460.8 GB/s bandwidth.

Q: Which processor has integrated graphics?

A: The Ryzen 3 PRO 5355G has integrated Radeon Vega 6 graphics. The EPYC 9554 has no integrated graphics.

Q: What are the process nodes for each processor?

A: The Ryzen 3 PRO 5355G is built on a 7 nm process with 10,700 million transistors. The EPYC 9554 is built on a 5 nm process with 52,560 million transistors.

Specification Differences

| Specification | AMD Ryzen 3 PRO 5355G | AMD EPYC 9554 |

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

| Series | 5000 series | EPYC 9004 series |

| Cores | 4 | 64 |

| Threads | 8 | 128 |

| Base Clock | 4.00 GHz | 3.10 GHz |

| Boost Clock | 4.20 GHz | 3.75 GHz |

| TDP | 65 W | 360 W |

| Socket | AMD Socket AM4 | AMD Socket SP5 |

| Architecture | Zen 3 | Zen 4 |

| Codename | Cezanne | Genoa |

| Process Node | 7 nm | 5 nm |

| Transistors | 10,700 million | 52,560 million |

| Die Size | 180 mm² | 8x 72 mm² |

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

| L3 Cache | 8 MB | 256 MB (shared) |

| Memory Support | DDR4 | DDR5 |

| Memory Bus | Dual-channel | Twelve-channel |

| Memory Bandwidth | 51.2 GB/s | 460.8 GB/s |

| PCIe | Gen 3, 16 Lanes (CPU only) | Gen 5, 128 Lanes (CPU only) |

| Integrated Graphics | Radeon Vega 6 | None |

| Market Segment | Desktop | Server/Workstation |

| Release Date | 2024-09-04 | 2022-11-09 |

| Launch MSRP | Not recorded | $9087 |

| Part Number | 100-000001749 | 100-100000790 |