Intel Core 9 273PQE vs Intel Xeon w5-3525 Comparison

The Intel Xeon w5-3525 and Intel Core 9 273PQE target different corners of the Intel portfolio, yet their benchmark results are surprisingly close. The Xeon w5-3525, a 16-core Sapphire Rapids workstation part, leverages its higher core count and massive memory bandwidth to dominate specific server-style workloads. The Core 9 273PQE, a 12-core Bartlett Lake desktop processor, counters with higher clock speeds and a commanding lead in single-threaded performance. The data shows a clear split: the Xeon wins 6 of 17 head-to-head tests, while the Core 9 wins 11, but the margin of victory in each direction tells the real story.

Where Each One Wins

The Xeon w5-3525 is the clear choice for compute-heavy, parallel workloads that stress extended instruction sets and memory subsystems. Its largest victory comes in PassMark extended instructions, where it scores 49,242 against 38,743, a 27.1% advantage. This is a massive gap, indicating the Xeon's architecture is better suited for AVX-512-style workloads and scientific computing. It also wins PassMark random string sorting by 19.6% (63,579 vs 53,167), a test that benefits from the Xeon's eight-channel memory bus and 307.2 GB/s of bandwidth. The Core 9's dual-channel 89.6 GB/s configuration is a severe bottleneck here.

The Xeon also takes PassMark data compression (607,435 vs 585,752, +3.7%), data encryption (30,507 vs 29,636, +2.9%), and find prime numbers (218 vs 198, +10.1%). Its physics score of 3,002 beats the Core 9's 2,754 by 9%. These wins are consistent: the Xeon's 16 cores and 32 threads provide raw throughput that the Core 9 cannot match, even when the latter's higher clocks compensate in other areas. The Xeon also holds a 94th percentile ranking versus 93rd for the Core 9, reflecting its broader appeal in the benchmark database.

The Core 9 273PQE wins the remaining 11 tests, but its victories are more concentrated in single-threaded and integer-heavy workloads. Its most decisive win is PassMark single-thread, where it scores 4,573 versus the Xeon's 3,330, a 27.2% margin. This is the single largest delta in either direction, highlighting the Core 9's 5.90 GHz boost clock against the Xeon's 4.80 GHz. The Core 9 also wins PassMark integer math (164,629 vs 155,282, +5.7%) and floating-point math (125,546 vs 121,050, +3.6%), showing that its per-core efficiency can overcome the Xeon's core-count advantage in these tasks.

The Cinebench results are remarkably tight. The Core 9 wins all six Cinebench tests, but by only 0.5-0.6%. For example, Cinebench R23 multi-core shows 39,190 for the Core 9 versus 38,964 for the Xeon, a margin that could easily be lost in run-to-run variance. This suggests that for mainstream rendering workloads, the two processors are effectively tied, with the Core 9's clock speed offsetting the Xeon's two extra cores. The Core 9 also wins PassMark multithread (46,107 vs 45,841, +0.6%), reinforcing this picture. For general productivity, the Core 9 is the better pick due to its single-thread dominance, but for specialized server tasks, the Xeon's instruction-set and bandwidth advantages are decisive.

Architecture Differences

The two processors share a 10 nm Intel process node and identical per-core cache layouts: 80 KB of L1 and 2 MB of L2 per core. However, the similarity ends there. The Xeon w5-3525 uses the Sapphire Rapids architecture on the Intel Socket 4677 platform, while the Core 9 273PQE is built on Bartlett Lake for Intel Socket 1700. This platform difference has profound implications for memory and expansion.

The Xeon supports DDR5 memory across an eight-channel bus, delivering 307.2 GB/s of bandwidth. The Core 9 supports both DDR4 and DDR5, but only across a dual-channel bus, capping bandwidth at 89.6 GB/s. That 3.4x bandwidth advantage is the Xeon's primary weapon in data-heavy tests. Additionally, the Xeon offers 112 PCIe Gen 5 lanes (CPU only), while the Core 9 offers just 16. This makes the Xeon the obvious choice for multi-GPU workstations or systems with many NVMe drives.

The Core 9 compensates with a higher base clock (3.40 GHz vs 3.20 GHz) and a significantly higher boost clock (5.90 GHz vs 4.80 GHz). It also includes integrated UHD Graphics 770, while the Xeon has no integrated graphics, requiring a discrete GPU for display output. Both processors support ECC memory, which is notable for the Core 9's desktop segment. The Xeon's die size is listed as 4x 477 mm², reflecting its multi-chiplet design, while the Core 9's die size is not specified. The Xeon has 45 MB of L3 cache, while the Core 9 has 36 MB shared. Both are active production parts, with the Xeon released in August 2024 and the Core 9 in March 2026.

FAQ

Q: Which processor has more cores?

A: The Intel Xeon w5-3525 has 16 cores and 32 threads, while the Intel Core 9 273PQE has 12 cores and 24 threads.

Q: Does the Core 9 273PQE support ECC memory?

A: Yes, both the Xeon w5-3525 and the Core 9 273PQE support ECC memory. The Core 9 also supports DDR4 in addition to DDR5, while the Xeon supports only DDR5.

Q: Why is the Xeon so much faster in extended instructions?

A: The Xeon w5-3525 scores 49,242 in PassMark extended instructions versus 38,743 for the Core 9, a 27.1% advantage. This likely reflects the Xeon's server-oriented architecture, which is optimized for advanced instruction sets, combined with its eight-channel memory bandwidth.

Q: Which processor has the higher single-thread score?

A: The Core 9 273PQE dominates single-threaded performance with a PassMark score of 4,573, compared to 3,330 for the Xeon, a 27.2% difference. This is driven by the Core 9's 5.90 GHz boost clock versus the Xeon's 4.80 GHz.

Q: What is the memory bandwidth difference?

A: The Xeon w5-3525 has an eight-channel memory bus delivering 307.2 GB/s, while the Core 9 273PQE has a dual-channel bus delivering 89.6 GB/s. This is a major factor in the Xeon's wins in data compression and sorting tests.

Q: Which processor is better for Cinebench rendering?

A: The Core 9 273PQE wins all Cinebench tests, but by very narrow margins of 0.5-0.6%. For example, Cinebench R23 multi-core shows 39,190 for the Core 9 versus 38,964 for the Xeon. In practice, they are nearly identical for this workload.

Specification Differences

| Specification | Intel Xeon w5-3525 | Intel Core 9 273PQE |

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

| Cores | 16 | 12 |

| Threads | 32 | 24 |

| Base Clock | 3.20 GHz | 3.40 GHz |

| Boost Clock | 4.80 GHz | 5.90 GHz |

| TDP | 290 W | 125 W |

| Socket | Intel Socket 4677 | Intel Socket 1700 |

| Codename | Sapphire Rapids | Bartlett Lake |

| L3 Cache | 45 MB | 36 MB (shared) |

| Memory Support | DDR5 | DDR4, DDR5 |

| Memory Bus | Eight-channel | Dual-channel |

| Memory Bandwidth | 307.2 GB/s | 89.6 GB/s |

| PCIe | Gen 5, 112 Lanes | Gen 5, 16 Lanes |

| Integrated Graphics | N/A | UHD Graphics 770 |

| Market Segment | Server/Workstation | Desktop |

| Launch MSRP | $1339 | $589 |

Head-to-Head Benchmarks

The biggest win for the Xeon w5-3525 is PassMark extended instructions. The Xeon scores 49,242 against 38,743, a delta of 27.1%. This is a test that measures the efficiency of specialized instruction sets, and the Xeon's architecture clearly excels here. Similarly, the Xeon's 63,579 in random string sorting beats the Core 9's 53,167 by 19.6%, a reflection of its memory bandwidth advantage. The Xeon's 10.1% lead in find prime numbers (218 vs 198) and 9% lead in physics (3,002 vs 2,754) further cement its position as the compute-heavy specialist.

The Core 9 273PQE's most significant victory is equally stark. In PassMark single-thread, it scores 4,573 versus the Xeon's 3,330, a 27.2% margin. This is the single largest delta in the entire comparison, and it underscores the Core 9's superiority in lightly-threaded tasks. The Core 9 also wins integer math by 5.7% (164,629 vs 155,282) and floating-point math by 3.6% (125,546 vs 121,050), showing that its higher clocks can beat the Xeon's core-count advantage in these workloads.

The Cinebench tests are the most telling for mainstream users. The Core 9 wins all six, but by margins of only 0.5-0.6%. Cinebench R15 multi-core shows 3,950 for the Core 9 versus 3,927 for the Xeon, while R20 multi-core shows 16,459 versus 16,364. The single-core results are equally close: R23 single-core is 5,532 for the Core 9 versus 5,500 for the Xeon. These are effectively ties, meaning either processor will deliver similar rendering performance. The Core 9 also edges out the Xeon in PassMark multithread (46,107 vs 45,841), reinforcing the notion that the Xeon's two extra cores are neutralized by the Core 9's clock speed in this test.

Data compression and encryption are the Xeon's other wins. The Xeon scores 607,435 in data compression versus 585,752 for the Core 9, a 3.7% lead. In data encryption, it scores 30,507 versus 29,636, a 2.9% lead. These are modest but consistent advantages, likely driven by the Xeon's memory bandwidth. The overall average benchmark scores reflect this split: the Xeon averages 67,673 across all tests, while the Core 9 averages 66,099. The Xeon's nearest rivals include the AMD EPYC 4484PX (-0.2%) and Ryzen Threadripper PRO 5955WX (-0.3%), while the Core 9 sits near the AMD Ryzen 9 7950X3D (+0.3%). The data paints a clear picture: for single-threaded responsiveness, the Core 9 is the winner; for server-class instruction throughput, the Xeon is unmatched.