AMD Ryzen Threadripper PRO 5965WX vs Intel Xeon w7-3555 Comparison

The Intel Xeon w7-3555 and AMD Ryzen Threadripper PRO 5965WX are both 97th-percentile workstation processors, yet they achieve that status through sharply different strategies. The Intel part wins 12 of 17 head-to-head benchmarks, while the AMD part takes 5, but the margins tell a more interesting story than the raw win count. Intel’s victories are often narrow, hovering around 2.1%, while AMD’s wins include massive swings like a 23.9% lead in encryption and a 13% lead in integer math, suggesting the choice between them depends heavily on the specific workload.

Where Each One Wins

The Intel Xeon w7-3555 is the clear choice for rendering and physics simulation. It leads in every Cinebench test, from R15 multicore (5804 vs 5685) through R23 single-core (8130 vs 7962), with a consistent 2.1% advantage across all six Cinebench runs. The gap widens dramatically in PassMark physics, where Intel posts 5802 against AMD’s 4251, a 36.5% blowout that points to superior handling of rigid-body dynamics and collision detection. Floating-point math also favors Intel heavily, with 190917 versus 157708, a 21.1% edge that matters for scientific computing and financial modeling.

The AMD Ryzen Threadripper PRO 5965WX dominates in data manipulation and cryptography. Its data encryption score of 63113 crushes Intel’s 48007 by 23.9%, and it leads in integer math with 281247 versus 244642, a 13% advantage. Data compression also goes AMD’s way, 1010067 vs 966970, a 4.3% edge, as does random string sorting at 99287 vs 96112, a 3.2% gain. Prime number finding is another AMD stronghold, 523 vs 398, again a 23.9% margin. These results paint a picture of a processor that excels at algorithmic work, hash-heavy tasks, and database-style operations.

Architecture Differences

The fundamental split lies in process node and core design. Intel uses a 10 nm process with four dies totaling 4x 477 mm², built in-house, while AMD leverages TSMC’s 7 nm process with four smaller dies at 4x 81 mm². AMD’s process advantage allows it to pack 16,600 million transistors into a much smaller die area, which explains its lower 280 W TDP versus Intel’s 325 W.

Core counts and cache hierarchies diverge sharply. Intel fields 28 cores and 56 threads, while AMD offers 24 cores and 48 threads — Intel has 4 more cores, but AMD compensates with a massive 128 MB L3 cache against Intel’s 75 MB. The per-core cache differences are equally telling: Intel allocates 80 KB L1 and 2 MB L2 per core, while AMD uses 64 KB L1 and 512 KB L2 per core. AMD’s monolithic L3 design gives it a latency advantage in data-heavy workloads, while Intel’s larger per-core L2 benefits single-threaded bursts.

Memory architecture also differs. Intel supports DDR5 with eight-channel memory delivering 307.2 GB/s bandwidth, while AMD uses DDR4 with eight-channel memory at 204.8 GB/s. Intel’s 50% bandwidth advantage is significant, yet AMD’s larger cache partially offsets this in real workloads. PCIe connectivity favors AMD with 128 Gen 4 lanes against Intel’s 112 Gen 5 lanes; Intel has fewer lanes but a newer standard. Both support ECC memory, and neither has integrated graphics.

Head-to-Head Benchmarks

The Cinebench series shows remarkable consistency, with Intel winning every single run by exactly 2.1%. From R15 multicore (5804 vs 5685) to R23 multicore (57590 vs 56400), the pattern holds. This uniformity suggests a clock-speed advantage rather than architectural superiority, given Intel’s 4.80 GHz boost versus AMD’s 4.50 GHz. Single-core results confirm this: Intel leads R15 single-core 819 vs 802, R20 3414 vs 3344, and R23 8130 vs 7962, all at the same 2.1% delta.

PassMark multithread follows the same trend, with Intel winning 67754 vs 66353, again a 2.1% margin. PassMark single-thread shows a larger Intel advantage at 3549 vs 3337, a 6.4% lead that hints at stronger IPC or higher sustained boost clocks. The physics benchmark is where Intel truly separates itself, winning 5802 vs 4251 — a 36.5% gap that dwarfs any other difference in this comparison.

AMD’s wins are concentrated in specific instruction-heavy areas. Data encryption shows AMD at 63113 vs Intel’s 48007, a 23.9% landslide that suggests hardware-accelerated crypto instructions. Prime number finding follows the same pattern, 523 vs 398, again 23.9%. Integer math gives AMD a 13% edge (281247 vs 244642), while data compression (1010067 vs 966970) and random string sorting (99287 vs 96112) are closer, at 4.3% and 3.2% respectively. The pattern is clear: AMD wins when the workload involves repetitive integer operations or cryptographic transforms, while Intel wins in floating-point and physics-heavy scenarios.

FAQ

Q: Which processor has more cores?

A: The Intel Xeon w7-3555 has 28 cores and 56 threads, while the AMD Ryzen Threadripper PRO 5965WX has 24 cores and 48 threads.

Q: How much faster is Intel in Cinebench R23 multicore?

A: Intel scores 57590 versus AMD’s 56400, a 2.1% advantage.

Q: Why does AMD win data encryption so decisively?

A: AMD scores 63113 versus Intel’s 48007, a 23.9% lead. This suggests AMD’s Zen 3 architecture handles cryptographic workloads more efficiently, likely through larger cached lookup tables or more effective SIMD execution.

Q: What is the TDP difference?

A: Intel draws 325 W TDP while AMD draws 280 W, a 45 W difference that reflects Intel’s extra cores and higher boost clock.

Q: Which has more L3 cache?

A: AMD has 128 MB of L3 cache, while Intel has 75 MB. AMD’s cache is 53 MB larger, which helps in data-compression and integer workloads.

Q: Do both support ECC memory?

A: Yes, both the Intel Xeon w7-3555 and AMD Ryzen Threadripper PRO 5965WX support ECC memory.

Specification Differences

| Specification | Intel Xeon w7-3555 | AMD Ryzen Threadripper PRO 5965WX |

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

| Cores | 28 | 24 |

| Threads | 56 | 48 |

| Base Clock | 2.70 GHz | 3.80 GHz |

| Boost Clock | 4.80 GHz | 4.50 GHz |

| TDP | 325 W | 280 W |

| Socket | Intel Socket 4677 | AMD Socket WRX8 |

| Process Node | 10 nm | 7 nm |

| Foundry | Intel | TSMC |

| Transistors | Not specified | 16,600 million |

| Die Size | 4x 477 mm² | 4x 81 mm² |

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

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

| L3 Cache | 75 MB | 128 MB |

| Memory Support | DDR5 | DDR4 |

| Memory Bandwidth | 307.2 GB/s | 204.8 GB/s |

| PCIe | Gen 5, 112 Lanes | Gen 4, 128 Lanes |

| Release Date | 2024-08-23 | 2022-03-07 |

| Launch MSRP | $2339 | $2399 |

The Verdict

The data points to a clear split based on workload type. For 3D rendering, physics simulation, and floating-point-heavy scientific computing, the Intel Xeon w7-3555 is the stronger option. Its 36.5% lead in PassMark physics and 21.1% edge in floating-point math make it the obvious pick for engineering and animation workstations. The consistent 2.1% advantage across all Cinebench tests, plus a 6.4% lead in single-threaded PassMark, means Intel also holds the edge in mixed productivity workloads.

The AMD Ryzen Threadripper PRO 5965WX is the better choice for data analytics, cryptography, and database workloads. Its 23.9% encryption advantage and 13% integer math lead are decisive for tasks involving large datasets and algorithmic processing. The larger 128 MB L3 cache and 3.80 GHz base clock (versus Intel’s 2.70 GHz) give AMD an edge in latency-sensitive operations, while the lower 280 W TDP makes it easier to cool in dense chassis.

For users who do a bit of everything, Intel’s broader win count (12 vs 5) and higher average benchmark score (106192 vs 98504) make it the safer default. AMD’s wins are narrower in count but wider in margin, so a specific workload focus could easily flip the recommendation. The 97th-percentile ranking for both means neither is a slouch; the choice comes down to whether your work involves more floating-point simulation or more integer-based data processing.