AMD EPYC 9354P vs AMD Ryzen 5 4600H Comparison

Head-to-Head Benchmarks

The benchmark data for these two processors reveals a decisive, one-sided comparison. The AMD EPYC 9354P wins every single head-to-head test recorded in the database, with the AMD Ryzen 5 4600H failing to secure a victory in any of the six shared benchmarks. The margin of victory, however, varies dramatically depending on the workload, offering a clear view of where each architecture excels.

The largest gap appears in multi-core rendering workloads. In Cinebench R23 multi-core, the EPYC 9354P scores 63,840, while the Ryzen 5 4600H manages 8,072. This represents a delta of -87.4% for the mobile part, meaning the EPYC is roughly eight times faster in this threaded render test. The Cinebench R15 multi-core test tells a similar story: the EPYC scores 6,434 against the Ryzen's 1,425, a -77.9% delta. These results underscore the massive throughput advantage of the server platform when all cores are engaged.

Single-core performance also favors the EPYC 9354P, though the gap is narrower. In Cinebench R23 single-core, the EPYC scores 9,012 versus 1,142.5 for the Ryzen, a -87.3% delta. The Cinebench R15 single-core test shows 908 for the EPYC and 176 for the Ryzen, a -80.6% delta. It is notable that the EPYC's advantage persists even in lightly threaded workloads, which indicates that the Zen 4 core design delivers substantially higher per-thread performance than the older Zen 2 mobile core.

Geekbench results follow the same pattern. The multi-core score for the EPYC 9354P is 14,214, while the Ryzen 5 4600H scores 5,521, a -61.2% delta. In single-core Geekbench, the EPYC scores 1,605 versus 1,259 for the Ryzen, a -21.6% delta. This single-core result is the closest margin in the entire comparison, yet it still represents a clear win for the server chip. The data shows that even in the least favorable test for the EPYC, the Zen 4 architecture maintains a decisive edge.

Where Each One Wins

Given that the AMD EPYC 9354P wins all recorded head-to-head benchmarks, the use-case split is straightforward: the server processor dominates every workload category present in the database. However, the degree of dominance varies, and the Ryzen 5 4600H does hold its own in some areas relative to its expected market position.

The EPYC 9354P is the clear choice for multi-threaded, compute-heavy server workloads. Its Cinebench R23 multi-core score of 63,840 dwarfs the Ryzen's 8,072, making it suitable for rendering farms, scientific computing, and database workloads that scale across many cores. The 64 threads available on the EPYC, combined with its 32 cores, provide a level of parallelism that the 6-core, 12-thread Ryzen simply cannot match. In Geekbench multi-core, the EPYC's 14,214 versus 5,521 reinforces this positioning.

For single-threaded tasks, the EPYC 9354P still wins, but the margin is smaller. The Geekbench single-core gap of -21.6% suggests that the Ryzen 5 4600H is relatively competitive in lightly threaded applications when compared to its own multi-core deficit. This is relevant for older software or workloads that depend on a single thread, where the Ryzen's Zen 2 cores, running at a boost clock of 4.00 GHz, perform reasonably well. Still, the EPYC's 3.80 GHz boost clock and Zen 4 architecture deliver a higher score in every single-core test recorded.

The Ryzen 5 4600H, as a mobile processor, would be the appropriate choice for portable devices where power consumption and thermal constraints matter. Its 45 W TDP is drastically lower than the EPYC's 280 W, and it includes integrated Radeon RX Vega 6 graphics, which the EPYC lacks entirely. The database shows the Ryzen has a 70th percentile ranking among all CPUs, while the EPYC sits at the 69th percentile, indicating that the mobile chip is by no means a weak performer within its own segment. The EPYC, however, is built for a different class of machine: the server and workstation space, where raw throughput is the priority.

Architecture Differences

The two processors come from different generations of AMD's Zen architecture, and the underlying design differences explain the performance gap. The Ryzen 5 4600H is built on Zen 2, codenamed Renoir, using a 7 nm process node from TSMC. The EPYC 9354P is built on Zen 4, codenamed Genoa, using a 5 nm process node, also from TSMC. The newer process node allows the EPYC to pack more transistors into a more power-efficient design, though the EPYC's power envelope is far larger.

The transistor counts differ enormously. The Ryzen 5 4600H contains 9,800 million transistors on a die size of 156 mm². The EPYC 9354P contains 52,560 million transistors across a multi-die design of 8x 72 mm². This eight-die configuration is typical for server processors, allowing AMD to scale core counts and cache capacity well beyond what a single monolithic die could achieve. The Ryzen uses a single die, which limits its core count to six and its L3 cache to 8 MB shared.

Cache hierarchies also differ significantly. Both processors have 64 KB of L1 cache per core, but the L2 cache differs: the Ryzen has 512 KB per core, while the EPYC has 1 MB per core. The L3 cache shows the most dramatic difference. The Ryzen has 8 MB shared, while the EPYC has 256 MB shared. This 32-fold difference in L3 capacity is a major factor in server workloads that repeatedly access large datasets, as the EPYC can hold far more data on-die.

Memory support and bandwidth are another major divergence. The Ryzen 5 4600H supports DDR4 memory over a dual-channel bus, providing a memory bandwidth of 51.2 GB/s. The EPYC 9354P supports DDR5 memory over a twelve-channel bus, providing a memory bandwidth of 460.8 GB/s. That is a nine-fold increase in theoretical bandwidth. The EPYC also supports ECC memory, while the Ryzen does not, a critical feature for data integrity in server environments.

PCIe connectivity differs as well. The Ryzen supports PCIe Gen 3, while the EPYC supports PCIe Gen 5 with 128 lanes (CPU only). This gives the server chip far more I/O bandwidth and lane count for expansion cards, storage controllers, and network interfaces. The sockets are incompatible: the Ryzen uses AMD Socket FP6, while the EPYC uses AMD Socket SP5, meaning they cannot be installed in the same motherboard.

The integrated graphics situation is also a clear differentiator. The Ryzen 5 4600H includes Radeon RX Vega 6 integrated graphics, making it a complete APU solution for laptops and compact systems. The EPYC 9354P has no integrated graphics, which is standard for server processors that rely on discrete GPUs or remote management controllers for display output.

FAQ

Q: Which processor has a higher boost clock?

A: The AMD Ryzen 5 4600H has a boost clock of 4.00 GHz, while the AMD EPYC 9354P boosts to 3.80 GHz. Despite the lower boost clock, the EPYC achieves higher single-core scores in all recorded benchmarks.

Q: How many cores and threads does each processor have?

A: The Ryzen 5 4600H has 6 cores and 12 threads. The EPYC 9354P has 32 cores and 64 threads, a more than five-fold increase in core count.

Q: Does the EPYC 9354P support ECC memory?

A: Yes, the EPYC 9354P supports ECC memory. The Ryzen 5 4600H does not support ECC memory, which is a key difference for server and workstation reliability requirements.

Q: What is the memory bandwidth difference between the two?

A: The Ryzen 5 4600H provides 51.2 GB/s of memory bandwidth via dual-channel DDR4. The EPYC 9354P provides 460.8 GB/s via twelve-channel DDR5, a nine-fold increase.

Q: Which processor has integrated graphics?

A: Only the Ryzen 5 4600H has integrated graphics, featuring Radeon RX Vega 6. The EPYC 9354P has no integrated graphics at all.

Q: What are the release dates for these processors?

A: The Ryzen 5 4600H was released on January 5, 2020. The EPYC 9354P was released on November 9, 2022, nearly three years later.

Specification Differences

The following table highlights the fields where the two processors differ.

| Specification | AMD Ryzen 5 4600H | AMD EPYC 9354P |

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

| Series | 4000 series | EPYC 9004 series |

| Cores | 6 | 32 |

| Threads | 12 | 64 |

| Base Clock | 3.00 GHz | 3.25 GHz |

| Boost Clock | 4.00 GHz | 3.80 GHz |

| TDP | 45 W | 280 W |

| Socket | AMD Socket FP6 | AMD Socket SP5 |

| Architecture | Zen 2 | Zen 4 |

| Codename | Renoir | Genoa |

| Generation | Ryzen 5 (Zen 2 (Renoir)) | EPYC (Zen 4 (Genoa)) |

| Process Node | 7 nm | 5 nm |

| Transistors | 9,800 million | 52,560 million |

| Die Size | 156 mm² | 8x 72 mm² |

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

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

| Memory Support | DDR4 | DDR5 |

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

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

| ECC Memory | false | true |

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

| Integrated Graphics | Radeon RX Vega 6 | null |

| Market Segment | Mobile | Server/Workstation |

| Release Date | 2020-01-05 | 2022-11-09 |

| Part Number | 100-000000100 | 100-100000805 |

The EPYC 9354P has a launch MSRP of $2730. The Ryzen 5 4600H has no recorded launch MSRP in the database. Both processors have locked multipliers and are currently marked as Active in production status.