CPU Comparison

Both the AMD EPYC 9575F and the Intel Xeon 6774P are 64-core, 128-thread server processors aimed at the same high-end dual-socket market segment. The benchmark data shows a decisive performance advantage for the AMD part across nearly every workload tested, but the Intel chip does have a narrow win in one specific area. This analysis breaks down the results to clarify which processor suits which type of workload, based strictly on the provided benchmark numbers and architectural specifications.

Where Each One Wins

The AMD EPYC 9575F is the clear winner in the vast majority of scenarios, taking 13 of the 14 head-to-head benchmark comparisons. Its dominance spans both synthetic multi-core render tests and real-world PassMark application workloads. The data shows the AMD chip winning in data compression, encryption, floating-point math, integer math, multithreaded performance, physics calculations, and random string sorting. It also holds a commanding lead in single-threaded performance, which is critical for lightly threaded tasks and overall system responsiveness.

The Intel Xeon 6774P wins only one benchmark: the PassMark "find prime numbers" test. This is a specific workload that measures the speed of a particular mathematical operation, and the Intel chip achieves a score of 1264 against the AMD's 1215, a 3.9% advantage. This single win does not indicate a general performance trend but rather a narrow edge in a very particular computational pattern. For any other application, the data suggests the EPYC 9575F will deliver superior performance.

Architecture Differences

The two processors are built on fundamentally different architectures and manufacturing processes. The AMD EPYC 9575F uses the Zen 5 architecture (codenamed "Turin") on a 4nm process from TSMC, while the Intel Xeon 6774P uses the Granite Rapids architecture on a 5nm process from Intel. This process advantage likely contributes to the AMD chip's higher clock speeds, which are a crucial factor in its benchmark wins.

The AMD chip has a base clock of 3.30 GHz and a boost clock of 5.00 GHz. The Intel chip's base clock is 2.50 GHz, with a boost clock of 3.90 GHz. This significant clock speed difference, over 1 GHz in boost, explains a large portion of the performance gap, particularly in single-threaded and lightly threaded tasks. The cache structures also differ meaningfully. The AMD part has 80 KB of L1 and 1 MB of L2 per core, with a shared 256 MB L3 cache. The Intel part has larger per-core caches (112 KB L1 and 2 MB L2) and a larger shared L3 cache at 336 MB. Despite the larger overall cache on the Intel chip, it cannot overcome the clock speed and architectural efficiency of the AMD part.

Memory support is another key differentiator. The AMD EPYC 9575F supports twelve-channel DDR5 memory, offering a theoretical bandwidth of 576.0 GB/s. The Intel Xeon 6774P supports eight-channel DDR5 memory, providing 409.6 GB/s. This 40% bandwidth advantage for the AMD chip is likely a major factor in the data compression and integer math scores, where memory throughput is often a bottleneck. Both chips support ECC memory and offer PCIe Gen 5 connectivity, with the Intel chip providing 136 lanes versus the AMD's 128 lanes.

Head-to-Head Benchmarks

The most striking results come from the Cinebench multi-core tests. Across all three versions (R15, R20, and R23), the AMD EPYC 9575F wins with a consistent 33.3% advantage. For example, in Cinebench R23 multi-core, the AMD scores 127,739 while the Intel scores 95,836. This is not a marginal win; it's a massive generational-style leap in rendering and compute performance.

The largest single win for the AMD chip is in PassMark's integer math test, where it scores 891,817 against the Intel's 593,440. This 50.3% advantage is the biggest delta in any benchmark and highlights the AMD processor's strength in general-purpose arithmetic operations. Similarly, the data encryption test shows a 41.6% win for AMD (162,818 vs 115,025), and the single-threaded test shows a 37% win (4,173 vs 3,047). These results consistently point to a processor that is faster in both parallel and serial workloads.

The Intel Xeon 6774P's only win, the prime number test, is a narrow one. It scores 1,264 versus the AMD's 1,215, a 3.9% edge. This is a highly specialized benchmark that measures a specific integer operation, and it does not translate into wins in any other test. The Intel chip's performance in other areas, such as the multithreaded test (112,749 vs 147,998, a 31.3% loss) and physics (16,023 vs 20,652, a 28.9% loss), shows it is consistently behind across the board.

The Verdict

Based on the data, the AMD EPYC 9575F is the superior processor for virtually every workload measured. It wins 13 out of 14 benchmarks, with wins ranging from 11.4% in extended instructions to a massive 50.3% in integer math. Its higher clock speeds, superior memory bandwidth, and more efficient architecture make it the faster choice for multi-core rendering, data compression, encryption, and general server tasks. The 33.3% lead in all three Cinebench tests makes it the clear pick for content creation and simulation workloads.

The Intel Xeon 6774P should only be chosen if a specific application relies heavily on the prime number calculation pattern where it holds its sole 3.9% advantage. For any other workload, the data indicates the AMD chip will deliver significantly better performance. The Intel chip also has a larger shared L3 cache (336 MB vs 256 MB) and more PCIe lanes (136 vs 128), which could be relevant for specific system configurations, but these features do not translate into benchmark wins. The average benchmark score reflects this: the AMD EPYC 9575F averages 311,774, while the Intel Xeon 6774P averages 300,372, a 3.7% difference in favor of AMD.

FAQ

Q: Which processor is faster in multi-core rendering?

A: The AMD EPYC 9575F. In Cinebench R23 multi-core, it scores 127,739 against the Intel Xeon 6774P's 95,836, a 33.3% advantage. The same 33.3% lead is seen in both Cinebench R15 and R20 multi-core tests.

Q: Is there any workload where the Intel Xeon 6774P wins?

A: Yes, the Intel chip wins the PassMark "find prime numbers" test with a score of 1,264, beating the AMD's 1,215 by 3.9%. This is the only benchmark out of 14 where the Intel processor comes out ahead.

Q: How do their single-threaded performances compare?

A: The AMD EPYC 9575F is significantly faster in single-threaded workloads. In the PassMark single-thread test, it scores 4,173 compared to the Intel's 3,047, representing a 37% lead. This is largely due to its higher boost clock of 5.00 GHz versus 3.90 GHz.

Q: What is the difference in memory bandwidth?

A: The AMD EPYC 9575F supports twelve-channel DDR5 memory with a theoretical bandwidth of 576.0 GB/s. The Intel Xeon 6774P supports eight-channel DDR5 with 409.6 GB/s. This substantial difference likely contributes to AMD's wins in memory-intensive benchmarks.

Q: Which processor has more cache?

A: The Intel Xeon 6774P has a larger shared L3 cache at 336 MB, while the AMD EPYC 9575F has 256 MB. However, the AMD chip has smaller per-core L1 and L2 caches (80 KB and 1 MB) compared to the Intel's (112 KB and 2 MB), yet still achieves higher benchmark scores.

Q: How do their average benchmark scores compare?

A: The AMD EPYC 9575F has an average benchmark score of 311,774, while the Intel Xeon 6774P has an average of 300,372. This makes the AMD chip 3.7% faster on average across all tested workloads.

Specification Differences

| Specification | AMD EPYC 9575F | Intel Xeon 6774P |

| :--- | :--- | :--- |

| Base Clock | 3.30 GHz | 2.50 GHz |

| Boost Clock | 5.00 GHz | 3.90 GHz |

| TDP | 400 W | 350 W |

| Socket | AMD Socket SP5 | Intel Socket 4710 |

| Foundry | TSMC | Intel |

| Process Node | 4 nm | 5 nm |

| L1 Cache (per core) | 80 KB | 112 KB |

| L2 Cache (per core) | 1 MB | 2 MB |

| L3 Cache (shared) | 256 MB | 336 MB |

| Memory Bus | Twelve-channel | Eight-channel |

| Memory Bandwidth | 576.0 GB/s | 409.6 GB/s |

| PCIe Lanes | Gen 5, 128 Lanes | Gen 5, 136 Lanes |

| Launch MSRP | $11791 | $6760 |