AMD EPYC 7C13 vs Intel Xeon 674X Comparison

FAQ

Q: Which processor has more cores and threads?

A: The AMD EPYC 7C13 has 64 cores and 128 threads, while the Intel Xeon 674X has 28 cores and 56 threads. The AMD part provides more than double the core and thread count.

Q: What are the base and boost clock speeds for each processor?

A: The AMD EPYC 7C13 has a base clock of 2000.00 MHz and a boost clock of 3.68 GHz. The Intel Xeon 674X has a base clock of 3.00 GHz and a boost clock of 4.90 GHz.

Q: Which CPU has higher memory bandwidth?

A: The Intel Xeon 674X supports DDR5 memory with an eight-channel bus and a memory bandwidth of 409.6 GB/s. The AMD EPYC 7C13 supports DDR4 with an eight-channel bus and a memory bandwidth of 204.8 GB/s.

Q: In the Cinebench R23 multi-core test, which processor scores higher and by what margin?

A: The Intel Xeon 674X scores 71566 versus the AMD EPYC 7C13's 64873. The AMD part trails by 9.4% in this benchmark.

Q: Which processor wins in data encryption workloads?

A: The AMD EPYC 7C13 wins decisively, scoring 114769 versus 61195 for the Intel Xeon 674X. This represents a 87.5% advantage for the AMD part.

Q: What is the launch MSRP for the Intel Xeon 674X?

A: The launch MSRP for the Intel Xeon 674X is $2199. The AMD EPYC 7C13 has no launch MSRP recorded in the database.

Architecture Differences

The two processors represent fundamentally different design philosophies. The AMD EPYC 7C13 is built on the Zen 3 architecture, codenamed Milan, using a 7 nm process from TSMC. It integrates 33,200 million transistors across a die configuration of 8x 81 mm². The Intel Xeon 674X uses the Granite Rapids architecture, also known as Granite Rapids-WS, manufactured on a 5 nm process by Intel, with a die size of 2x 598 mm².

Cache hierarchies differ sharply between the two. The AMD EPYC 7C13 provides 64 KB of L1 cache per core, 512 KB of L2 cache per core, and a substantial 256 MB of shared L3 cache. The Intel Xeon 674X offers 112 KB of L1 per core, 2 MB of L2 per core, and 144 MB of shared L3 cache. The AMD design relies on a large pool of shared L3 to feed its many cores, while the Intel part uses larger per-core L2 capacity.

Memory support also diverges. The AMD EPYC 7C13 uses DDR4 memory with eight-channel support and a measured bandwidth of 204.8 GB/s. The Intel Xeon 674X moves to DDR5, also with eight channels, but doubles the peak bandwidth to 409.6 GB/s. Both support ECC memory, which is expected for server platforms.

PCIe connectivity shows a generational gap. The AMD EPYC 7C13 provides PCIe Gen 4 with 128 lanes from the CPU. The Intel Xeon 674X provides PCIe Gen 5 with the same 128 lanes from the CPU. The newer standard on the Intel part offers double the per-lane bandwidth for expansion devices.

Socket and platform details differ completely. The AMD EPYC 7C13 uses AMD Socket SP3, while the Intel Xeon 674X uses Intel Socket 4710. The Intel part has an unlocked multiplier, whereas the AMD part does not. The Intel Xeon 674X has no integrated graphics, and the AMD EPYC 7C13 also lists none.

Head-to-Head Benchmarks

The benchmark data reveals a clear split between workloads that favor parallel throughput and those that favor single-thread performance or specialized instruction execution. Across the 16 recorded comparisons, the Intel Xeon 674X wins 11 and the AMD EPYC 7C13 wins 5.

The Intel Xeon 674X dominates the Cinebench suite. In Cinebench R15 multi-core, it scores 7213 versus 6539, a 9.3% advantage. The single-core R15 result shows the same 9.3% margin, with 1018 versus 923. Cinebench R20 multi-core favors Intel at 30057 versus 27246, a 9.4% lead, and the single-core test also shows 9.4%, at 4243 versus 3846. Cinebench R23 multi-core continues the pattern: 71566 versus 64873, another 9.4% margin. The PassMark multi-thread test mirrors this, with 84196 versus 76322, a 9.4% lead for Intel.

Single-thread performance is a major Intel advantage. In PassMark single-thread, the Intel Xeon 674X scores 3933 versus 2618, a 33.4% lead. Physics workloads show a similar gap: 7586 versus 4904, a 35.4% advantage for Intel. Prime number finding also favors Intel, with 693 versus 539, a 22.2% margin. Extended instruction workloads go to Intel at 97373 versus 85034, a 12.7% lead.

The AMD EPYC 7C13 claims its wins in areas that exploit its core count and shared cache. Data compression is a strong point: 1562251 versus 1236272, a 26.4% advantage. Data encryption shows the largest margin of any test, with 114769 versus 61195, a 87.5% lead. Integer math heavily favors AMD at 492554 versus 308968, a 59.4% margin. Floating-point math goes to AMD at 266846 versus 243877, a 9.4% lead. Random string sorting is close but AMD wins, 131361 versus 127529, a 3% margin.

The pattern is consistent: Intel wins on single-thread, physics, and Cinebench workloads, while AMD wins on encryption, integer math, compression, and floating-point math.

Specification Differences

| Specification | AMD EPYC 7C13 | Intel Xeon 674X |

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

| Cores | 64 | 28 |

| Threads | 128 | 56 |

| Base Clock | 2000.00 MHz | 3.00 GHz |

| Boost Clock | 3.68 GHz | 4.90 GHz |

| TDP | 225 W | 270 W |

| Socket | AMD Socket SP3 | Intel Socket 4710 |

| Architecture | Zen 3 | Granite Rapids |

| Process Node | 7 nm | 5 nm |

| Foundry | TSMC | Intel |

| Transistors | 33,200 million | Not recorded |

| Die Size | 8x 81 mm² | 2x 598 mm² |

| L1 Cache | 64 KB per core | 112 KB per core |

| L2 Cache | 512 KB per core | 2 MB per core |

| L3 Cache | 256 MB shared | 144 MB shared |

| Memory Support | DDR4 | DDR5 |

| Memory Bandwidth | 204.8 GB/s | 409.6 GB/s |

| PCIe | Gen 4, 128 lanes | Gen 5, 128 lanes |

| Multiplier Unlocked | No | Yes |

| Launch MSRP | Not recorded | $2199 |

The Verdict

The data indicates two different tools for different jobs. The AMD EPYC 7C13 wins 5 of 16 benchmarks, but those wins are concentrated in heavy data-processing tasks. The Intel Xeon 674X wins 11 of 16, with a particularly strong showing in single-threaded and physics-based workloads.

For workloads involving data encryption, the AMD EPYC 7C13 is the clear choice. Its 87.5% advantage in encryption and 59.4% lead in integer math suggest a design that handles parallel integer operations efficiently. Data compression also favors AMD by 26.4%, making it suitable for storage and database workloads.

The Intel Xeon 674X excels where clock speed and per-core efficiency matter. Its 33.4% lead in single-thread performance and 35.4% lead in physics benchmarks indicate strong latency-sensitive capabilities. The consistent 9.4% advantage across Cinebench multi-core tests, despite having fewer than half the cores, shows impressive per-core throughput.

The AMD EPYC 7C13 sits at the 98th percentile among all CPUs, with an average benchmark score of 167788. The Intel Xeon 674X also sits at the 98th percentile, with an average score of 143103. The AMD part outperforms its nearest rival, the AMD Ryzen Threadripper PRO 3995WX, by 2.3%, while the Intel part trails its closest competitor, the Intel Xeon 6732P, by 0.2%.

The launch MSRP of $2199 for the Intel Xeon 674X provides a reference point for comparison, while the AMD part has no recorded launch price.

Where Each One Wins

The AMD EPYC 7C13 wins in scenarios that demand massive parallel integer throughput. Data encryption, integer math, and data compression are its strongest domains. The 87.5% encryption margin is the largest of any benchmark comparison, making this part suitable for security-focused workloads such as VPN gateways, cryptographic key management, or database encryption at rest. The 59.4% integer math advantage points to general database operations, transaction processing, and analytics workloads that rely on integer calculations.

The Intel Xeon 674X wins in single-threaded and latency-sensitive applications. Its 33.4% single-thread lead and 35.4% physics advantage indicate strength in workloads where individual thread speed matters more than total core count. The Cinebench results, all showing a 9.3% to 9.4% margin, suggest consistent performance across rendering and simulation tasks. The 22.2% lead in prime number finding and 12.7% lead in extended instructions point to scientific computing and cryptography-adjacent workloads that benefit from modern instruction sets.

The split is clean. For bulk data transformation, encryption, and integer-heavy server workloads, the AMD EPYC 7C13 is the better fit. For single-thread responsiveness, physics simulation, and workloads that scale poorly across many cores, the Intel Xeon 674X provides higher performance. The Intel part also offers newer memory technology, with DDR5 and double the bandwidth, which may benefit memory-bandwidth-bound applications despite its lower core count.