AMD Ryzen 9 5900X vs Intel Xeon 6357P Comparison

The AMD Ryzen 9 5900X and the Intel Xeon 6357P occupy very different positions in the processor landscape, yet their head-to-head benchmark results reveal a surprisingly balanced split. The AMD Ryzen 9 5900X wins 9 of the 15 shared tests, while the Intel Xeon 6357P takes 6. However, the magnitude of those wins tells a clearer story: the Xeon dominates single-threaded and multi-core rendering workloads by wide margins, while the Ryzen 9 5900X sweeps most PassMark compute tests. For users deciding between a desktop-class Ryzen and a server/workstation-class Xeon, the choice depends heavily on whether the workload favors raw core count or per-core speed.

Head-to-Head Benchmarks

The most lopsided victory in the shared test suite belongs to the Intel Xeon 6357P in Cinebench R23 single-core. Here, the Xeon scores 3691 against the Ryzen 9 5900X’s 1527, a 58.6% advantage. That is a massive gap, far larger than any other single-core difference in the pack. The Xeon’s boost clock of 5.40 GHz, paired with its Raptor Lake architecture, clearly translates into superior per-thread performance in this rendering benchmark.

The Cinebench R23 multi-core test also goes to the Xeon, but with a smaller gap. The Xeon 6357P records 26145 points versus the Ryzen 9 5900X’s 16262, a 37.8% lead. This is notable because the Ryzen 9 5900X has 12 cores and 24 threads, while the Xeon 6357P has only 8 cores and 16 threads. Despite the core deficit, the Xeon’s higher single-core efficiency and faster boost clock allow it to outpace the Ryzen in this heavily threaded workload. The Xeon also wins Cinebench R15 single-core, scoring 372 against the Ryzen’s 250, a 32.8% margin. In Cinebench R15 multi-core, however, the Ryzen edges ahead: 2695 versus 2635, a slim 2.3% win.

Outside of Cinebench, the Xeon claims two more victories. In PassMark Physics, the Xeon scores 2305 against 1994, a 13.5% lead. In PassMark Single Thread (reported twice as passmark_single_thread and passmark_singlethread, both identical), the Xeon scores 4233 against 3469, an 18% advantage. That single-thread PassMark result reinforces the pattern seen in Cinebench R23 single-core, where the Xeon’s architecture and clock speed provide a clear edge.

The Ryzen 9 5900X, by contrast, wins every remaining PassMark test. The largest win comes in PassMark Find Prime Numbers, where the AMD scores 257 versus 149, a 72.5% lead. This test is highly sensitive to integer math and core count, and the Ryzen’s 12-core advantage is decisive. PassMark Data Encryption also goes heavily to the AMD: 31106 versus 18324, a 69.8% margin. PassMark Random String Sorting follows at 51646 versus 35495, a 45.5% win. PassMark Integer Math shows 140851 against 97375, a 44.6% lead. PassMark Data Compression gives the AMD a 41.4% win (499968 versus 353521), while PassMark Extended Instructions shows a 35.2% margin (33119 versus 24490). The closest PassMark win for the AMD is Floating Point Math, where it scores 77700 versus 74460, a modest 4.4% lead. PassMark Multithread also goes to the AMD at 39002 versus 30759, a 26.8% margin.

The overall average benchmark scores reflect this near-tie. The Ryzen 9 5900X has an average benchmark score of 41376, while the Xeon 6357P sits at 40630, a difference of roughly 1.8%. Both processors rank in the 87th percentile of all CPUs in the database, and their nearest rivals are similarly matched: the Ryzen’s closest competitor, the Intel Core Ultra 7 366H, is only 0.3% away, while the Xeon’s nearest rival, the Intel Core 5 223PE, is 0.1% away. In short, the two processors are close overall, but the distribution of wins is stark: the Xeon is a single-thread and rendering king, while the AMD is a jack-of-all-trades for compute-heavy workloads.

Where Each One Wins

The Intel Xeon 6357P is the clear choice for any workload that prioritizes single-threaded performance. Its Cinebench R23 single-core score is 58.6% higher than the Ryzen 9 5900X, and its PassMark single-thread score is 18% higher. This translates directly into applications that are latency-sensitive or that rely on a few fast cores, such as older or less parallelized rendering tasks, certain simulation software, and single-threaded database queries. The Xeon also wins in Cinebench R23 multi-core, which indicates that even in heavily multithreaded rendering, the higher per-core speed can overcome a 4-core deficit. The PassMark Physics win (13.5%) suggests that the Xeon also handles physics calculations with fewer threads more efficiently.

The AMD Ryzen 9 5900X is the better processor for tasks that can leverage its 12 cores and 24 threads. Its PassMark Multithread score is 26.8% higher, and it wins every integer-heavy and data-heavy PassMark test. For data compression, encryption, random string sorting, and extended instruction workloads, the AMD’s core count provides massive advantages (41.4%, 69.8%, 45.5%, and 35.2% respectively). The Find Prime Numbers test shows the largest gap (72.5%), indicating that the AMD handles pure integer arithmetic significantly better. For floating-point math, the advantage is slim at 4.4%, but it still favors the AMD. In real-world terms, the Intel Xeon 6357P is the pick for users who need the fastest possible response in single-threaded or lightly threaded tasks, while the AMD is the pick for developers, scientists, and analysts who can leverage 24 threads in parallel compute, data processing, or code compilation.

Architecture Differences

The two processors come from fundamentally different design philosophies. The AMD Ryzen 9 5900X uses the Zen 3 architecture, codenamed Vermeer, built on a 7 nm TSMC process. It has 12 cores and 24 threads, with a base clock of 3.70 GHz and a boost clock of 4.80 GHz. The die size is listed as 2x 74 mm², with a transistor count of 8,300 million. The cache layout includes 64 KB of L1 per core, 512 KB of L2 per core, and 64 MB of shared L3. The Intel Xeon 6357P uses the Raptor Lake architecture, codenamed Raptor Lake-R, built on Intel’s 10 nm process. It has only 8 cores and 16 threads, but a higher base clock of 3.00 GHz and a much higher boost clock of 5.40 GHz. Its die size is 257 mm², which is a single larger die compared to the AMD’s two smaller chiplets. The Xeon’s cache layout is different: 80 KB of L1 per core, 2 MB of L2 per core, and a smaller 24 MB of shared L3. The L2 cache per core is 2 MB, which is four times larger than the AMD’s 512 KB per core, helping the Xeon feed its high-boost cores. The L3 cache is 64 MB on the AMD versus 24 MB on the Intel, which is a significant advantage for the Ryzen in some memory-intensive workloads.

The memory support also differs. The AMD supports only DDR4, with a dual-channel memory bus and a documented memory bandwidth of 51.2 GB/s. The Intel Xeon supports both DDR4 and DDR5, also with a dual-channel bus, but the database does not list a specific bandwidth for it. Both processors support ECC memory, which is notable for the AMD given its desktop market segment. The PCIe generation and lane configuration also differ: the AMD offers PCIe Gen 4, while the Intel offers PCIe Gen 5 with 16 lanes (CPU only). The Intel is limited to 16 PCIe lanes, which may restrict expansion options compared to the AMD. The AMD has an unlocked multiplier, allowing overclocking, while the Intel does not. The Intel has no integrated graphics (listed as N/A), and the AMD also has no integrated graphics. The market segments reflect this: the AMD is classed as Desktop, while the Intel is classed as Server/Workstation. The production status for both is Active. The AMD was released on 2020-11-04, while the Intel was released much later on 2025-02-23. The process node is 7 nm for the AMD and 10 nm for the Intel. The foundry is TSMC for the AMD and Intel for the Intel.

FAQ

Q: Which processor has a higher single-core score?

A: The Intel Xeon 6357P. In Cinebench R23 single-core, it scores 3691 against the AMD’s 1527, a 58.6% advantage. In PassMark Single Thread, it scores 4231 versus 3469, an 18% lead.

Q: Which processor has more cores and threads?

A: The AMD Ryzen 9 5900X has 12 cores and 24 threads. The Intel Xeon 6357P has 8 cores and 16 threads.

Q: Does the Intel Xeon 6357P win any multi-threaded test?

A: Yes. In Cinebench R23 multi-core, it scores 26145 versus the AMD’s 16262, a 37.8% lead, despite having fewer cores. It also wins PassMark Physics with 2305 versus 1994.

Q: Which processor is better for data compression?

A: The AMD Ryzen 9 5900X. It scores 499968 in PassMark Data Compression, which is 41.4% higher than the Intel Xeon 6357P’s 353521.

Q: What is the difference in L3 cache size?

A: The AMD Ryzen 9 5900X has 64 MB of shared L3 cache. The Intel Xeon 6357P has 24 MB of shared L3.

Q: Which memory types does each support?

A: The AMD supports DDR4 only. The Intel supports both DDR4 and DDR5. Both have a dual-channel memory bus.

Specification Differences

| Specification | AMD Ryzen 9 5900X | Intel Xeon 6357P |

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

| Cores | 12 | 8 |

| Threads | 24 | 16 |

| Base Clock | 3.70 GHz | 3.00 GHz |

| Boost Clock | 4.80 GHz | 5.40 GHz |

| TDP | 105 W | 80 W |

| Socket | AMD Socket AM4 | Intel Socket 1700 |

| Architecture | Zen 3 | Raptor Lake |

| Codename | Vermeer | Raptor Lake-R |

| Process Node | 7 nm | 10 nm |

| Foundry | TSMC | Intel |

| Die Size | 2x 74 mm² | 257 mm² |

| Transistors | 8,300 million | Not listed |

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

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

| L3 Cache | 64 MB | 24 MB (shared) |

| Memory Support | DDR4 | DDR4, DDR5 |

| Memory Bandwidth | 51.2 GB/s | Not listed |

| PCIe Version | Gen 4 | Gen 5, 16 Lanes (CPU only) |

| Market Segment | Desktop | Server/Workstation |

| Release Date | 2020-11-04 | 2025-02-23 |

| Multiplier Unlocked | Yes | No |

| Integrated Graphics | None | N/A |

| Average Benchmark Score | 41376 | 40630 |

| Percentile vs All CPUs | 87% | 87% |

| Wins in Head-to-Head | 9 | 6 |

The Verdict

The database shows two processors with nearly identical average scores (41376 for the AMD, 40630 for the Intel) and the same percentile ranking (87%). The choice comes down to workload shape. If the primary tasks are Cinebench-style rendering, especially single-threaded or lightly threaded, or if a workload benefits from a very high boost clock (5.40 GHz), the Intel Xeon 6357P is the stronger option. It wins Cinebench R23 multi-core by 37.8%, Cinebench R23 single-core by 58.6%, and PassMark single-thread by 18%, and it does so with a lower TDP of 80 W compared to the AMD’s 105 W. The Intel’s support for both DDR4 and DDR5 memory and PCIe Gen 5 can be a consideration for new server or workstation builds.

For everything else, the AMD Ryzen 9 5900X is the better performer. It wins 9 of the 15 shared benchmarks, with particularly large margins in integer math (44.6%), encryption (69.8%), and prime number finding (72.5%). Its 12 cores and 24 threads provide a clear advantage in multithreaded compute tasks that are not specifically optimized for high single-core speed. The AMD’s 64 MB L3 cache is also significantly larger than the Intel’s 25 MB, which can help in cache-sensitive workloads. Its unlock multiplier also allows overclocking for users who want to extract more speed, a feature the Intel does not offer. The data suggests that a user running a workstation for parallel data analysis, code compilation, or scientific computing would be better served by the AMD, while a user running rendering or simulation software that favors high clock rates would prefer the Intel. The Intel also has the advantage of a newer release date (2025-02-23 versus 2020-11-04), but the AMD’s benchmark results show it remains competitive despite being older. The choice is binary: for single-thread speed and rendering efficiency, pick the Intel Xeon 6357P; for broad multithreaded compute and a wide range of PassMark wins, pick the AMD Ryzen 9 5900X.