AMD EPYC 8434P vs AMD EPYC 9375F Comparison

The AMD EPYC 9375F is the dominant performer in this matchup, winning 16 of 17 head-to-head benchmarks, but the AMD EPYC 8434P carves out a specific niche in encryption workloads. The 9375F delivers overwhelming multi-threaded and single-threaded advantages, while the 8434P offers a lower-power alternative with a distinct architectural identity.

Where Each One Wins

The AMD EPYC 9375F wins across nearly every workload category, with its most decisive victories coming in compute-heavy tasks. The data shows a consistent 44% lead across all Cinebench tests, including R15 multicore (8205 vs 5696), R20 multicore (34188 vs 23736), and R23 multicore (81402 vs 56516). This pattern indicates the 9375F is the clear choice for rendering, simulation, and any application that scales with raw CPU throughput.

The 9375F also dominates in floating-point math, scoring 260392 vs 215669 (20.7% ahead), and in extended instructions, scoring 128296 vs 86189 (48.9% ahead). Its physics benchmark result of 9019 vs 4036 represents a 123.5% advantage, making it the preferred option for scientific computing and physics simulation workloads.

The single-threaded results are equally decisive. The 9375F scores 1158 vs 804 in Cinebench R15 single-core (44% ahead), 4826 vs 3350 in R20 single-core, and 11492 vs 7978 in R23 single-core. PassMark single-thread shows 3762 vs 2448, a 53.7% lead. This makes the 9375F the better choice for latency-sensitive applications and workloads that depend heavily on per-core performance.

The one area where the 8434P wins is data encryption, scoring 97254 vs 73634 — a 24.3% advantage for the 8434P. This suggests the 8434P has a specialized advantage in cryptographic workloads, likely due to its denser core configuration and higher core count (48 vs 32). For encryption-heavy server roles, the 8434P is the data-backed winner.

Architecture Differences

The two processors come from different generations and design philosophies. The 9375F is based on Zen 5 architecture with the codename "Turin," built on TSMC's 4 nm process node. It uses 66,520 million transistors across 8x 70.6 mm² dies. The 8434P uses Zen 4c architecture with the codename "Siena," built on a 5 nm process with 35,500 million transistors across 4x 73 mm² dies.

The core configurations differ significantly. The 9375F has 32 cores and 64 threads, while the 8434P has 48 cores and 96 threads. Despite having fewer cores, the 9375F achieves higher performance due to its faster clock speeds: base clock of 3.85 GHz vs 2.50 GHz, and boost clock of 4.80 GHz vs 3.10 GHz.

Cache hierarchies show the 9375F's advantage. It offers 80 KB L1 per core, 1 MB L2 per core, and 256 MB shared L3 cache. The 8434P has 64 KB L1 per core, 1 MB L2 per core, and 128 MB shared L3 cache. The 9375F's larger L3 cache likely contributes to its superior performance in cache-sensitive workloads.

Memory architecture also differs. The 9375F uses a twelve-channel memory bus with 576.0 GB/s bandwidth, while the 8434P uses a six-channel bus with 230.4 GB/s. Both support DDR5 memory with ECC, but the 9375F's memory bandwidth is 2.5 times higher.

Platform support diverges as well. The 9375F uses AMD Socket SP5, while the 8434P uses AMD Socket SP6. The 9375F offers 128 PCIe Gen 5 lanes (CPU only), while the 8434P offers 96 lanes. The 9375F has a TDP of 320W, while the 8434P draws 200W. The 9375F was released on 2024-10-09, while the 8434P launched earlier on 2023-09-17.

FAQ

Q: Which processor has more cores?

A: The AMD EPYC 8434P has 48 cores and 96 threads, while the AMD EPYC 9375F has 32 cores and 64 threads.

Q: Why does the 9375F perform better despite having fewer cores?

A: The 9375F operates at significantly higher clock speeds (3.85 GHz base, 4.80 GHz boost vs 2.50 GHz base, 3.10 GHz boost) and uses the newer Zen 5 architecture on a 4 nm process, which delivers higher per-core performance.

Q: Which processor is better for encryption workloads?

A: The AMD EPYC 8434P wins the PassMark data encryption benchmark, scoring 97254 vs 73634 — a 24.3% advantage over the 9375F.

Q: What are the memory bandwidth differences?

A: The 9375F supports twelve-channel memory with 576.0 GB/s bandwidth, while the 8434P supports six-channel memory with 230.4 GB/s. Both use DDR5 with ECC support.

Q: Do these processors use the same socket?

A: No. The 9375F uses AMD Socket SP5, while the 8434P uses AMD Socket SP6. They also differ in PCIe lane count: 128 lanes for the 9375F vs 96 for the 8434P.

Q: Which processor has a higher average benchmark score?

A: The 9375F has an average benchmark score of 162497, compared to 146881 for the 8434P. The 9375F also ranks at the 98th percentile of all CPUs, matching the 8434P's percentile ranking.

Specification Differences

| Specification | AMD EPYC 9375F | AMD EPYC 8434P |

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

| Cores | 32 | 48 |

| Threads | 64 | 96 |

| Base Clock | 3.85 GHz | 2.50 GHz |

| Boost Clock | 4.80 GHz | 3.10 GHz |

| TDP | 320W | 200W |

| Socket | AMD Socket SP5 | AMD Socket SP6 |

| Architecture | Zen 5 | Zen 4c |

| Codename | Turin | Siena |

| Process Node | 4 nm | 5 nm |

| Transistors | 66,520 million | 35,500 million |

| Die Size | 8x 70.6 mm² | 4x 73 mm² |

| L1 Cache | 80 KB (per core) | 64 KB (per core) |

| L3 Cache | 256 MB (shared) | 128 MB (shared) |

| Memory Bus | Twelve-channel | Six-channel |

| Memory Bandwidth | 576.0 GB/s | 230.4 GB/s |

| PCIe Lanes | 128 (Gen 5) | 96 (Gen 5) |

| Release Date | 2024-10-09 | 2023-09-17 |

| Launch MSRP | $5306 | $2700 |

Head-to-Head Benchmarks

The most striking result is the 44% advantage the 9375F holds across every Cinebench test. In R15 multicore, the 9375F scores 8205 vs 5696; in R20 multicore, 34188 vs 23736; in R23 multicore, 81402 vs 56516. This consistent 44% delta across generations of the Cinebench suite confirms the 9375F's architectural superiority in both scaling and per-core execution.

The single-core results tell a similar story. R15 single-core shows 1158 vs 804 (44% ahead), R20 single-core shows 4826 vs 3350 (44.1% ahead), and R23 single-core shows 11492 vs 7978 (44% ahead). PassMark single-thread confirms this trend with 3762 vs 2448 — a 53.7% lead for the 9375F.

The find prime numbers test produces the largest gap: 1397 vs 298, a 368.8% advantage for the 9375F. This extreme delta indicates a fundamental difference in how the two processors handle integer-heavy, branch-dependent workloads. The physics test also shows a massive gap, with the 9375F scoring 9019 vs 4036 (123.5% ahead).

In floating-point math, the 9375F leads 260392 vs 215669 (20.7% ahead), while extended instructions show 128296 vs 86189 (48.9% ahead). Random string sorting favors the 9375F at 161091 vs 125932 (27.9% ahead), and data compression shows a narrower margin at 1496149 vs 1412835 (5.9% ahead).

The 8434P's sole victory comes in data encryption, where it scores 97254 vs 73634, a 24.3% advantage. This is the only benchmark where the 8434P's higher core count translates into a performance win. Integer math is nearly tied, with the 9375F at 387901 vs 385290 (0.7% ahead), showing that core-for-core the 8434P is competitive in this specific workload.

The Verdict

The AMD EPYC 9375F is the clear performance leader, winning 16 of 17 benchmarks with decisive margins. Its 44% advantage across all Cinebench tests, 53.7% lead in single-thread performance, and 368.8% advantage in prime number finding make it the superior choice for general compute, rendering, simulation, and single-threaded applications. The 9375F's newer Zen 5 architecture, higher clock speeds, larger L3 cache, and doubled memory bandwidth provide the foundation for this dominance.

The AMD EPYC 8434P is the right choice only for workloads centered on data encryption, where it leads by 24.3%. Its lower TDP of 200W vs 320W also makes it a more power-efficient option for dense server deployments. With 48 cores and 96 threads, the 8434P offers more parallelism for throughput-oriented tasks, though benchmark results show this advantage rarely materializes in practice.

For most server and workstation workloads, the data clearly favors the 9375F. Its average benchmark score of 162497 places it among the top 2% of all CPUs, and its nearest rivals include the AMD EPYC 7C13 (3.2% higher) and AMD EPYC 7663 (0.3% higher). The 8434P's average score of 146881 puts it in a similar percentile but with lower absolute performance.

The 9375F's launch MSRP is $5306, while the 8434P's launch MSRP is $2700. The performance data justifies this difference for most workloads, but the 8434P remains the data-backed pick for encryption-heavy environments where its specialized advantage and lower power draw matter most. For everything else, the 9375F is the benchmark winner.