Intel Core i9-13905H vs Intel Xeon 6507P Comparison

The Intel Xeon 6507P and Intel Core i9-13905H are two very different Intel processors, one aimed at server/workstation workloads and the other at high-end mobile computing. Despite this, their average benchmark scores are remarkably close, with the Xeon 6507P posting an average score of 40426 and the Core i9-13905H posting 40313. This places them within 0.3% of each other, making their overall performance nearly identical, yet their individual strengths and weaknesses paint a clear picture of their intended roles.

Head-to-Head Benchmarks

The Xeon 6507P dominates the Core i9-13905H in the Cinebench suite, particularly in single-core tests. In Cinebench R15 single-core, the Xeon scores 377 against the Core i9's 246, a massive 53.3% advantage. This trend continues in Cinebench R20 and R23, where the Xeon leads by 5.1% and 85.5%, respectively. The R23 single-core margin is staggering: the Xeon's 3747 score dwarfs the Core i9's 2020. In multi-core Cinebench tests, the Xeon also takes the lead, winning R20 with a 5.1% margin (11150 vs 10605) and R23 with a 32.5% margin (26548 vs 20034). However, in Cinebench R15 multi-core, the Core i9 fights back, winning with a score of 2857 against the Xeon's 2676, a 6.3% advantage.

The Passmark results tell a more mixed story. The Xeon 6507P wins 11 out of 17 head-to-head benchmarks, with notable victories in extended instructions (27385 vs 21297, a 28.6% lead), find prime numbers (224 vs 122, an 83.6% lead), and physics (2935 vs 2054, a 42.9% lead). The Xeon also edges out wins in data compression (0.5%), multithread (4.9%), and random string sorting (5.9%). The Core i9-13905H, however, secures decisive wins in several Passmark categories. It leads in data encryption by 13.2% (20464 vs 17753), integer math by 12.6% (101716 vs 88877), and floating point math by 5.2% (73434 vs 69604). The single-thread Passmark score narrowly favors the Core i9, with a 1.6% lead (3703 vs 3643). The overall win count is 11 for the Xeon and 6 for the Core i9, reflecting the Xeon's broader superiority across the benchmark suite.

The Verdict

The data clearly indicates that the Intel Xeon 6507P is the superior processor for compute-heavy, multi-threaded, and single-threaded workloads that rely on raw processing power. Its wins in Cinebench R23 multi-core and single-core are decisive, with margins of 32.5% and 85.5% respectively. This makes it the clear choice for tasks like 3D rendering, scientific simulation, and any application that heavily utilizes extended instruction sets, as evidenced by its 28.6% lead in Passmark extended instructions. The Xeon's 8 cores and 16 threads, combined with its 48 MB of shared L3 cache, deliver the performance needed for server and workstation environments.

The Intel Core i9-13905H, while losing the overall benchmark war, is not without its merits. Its wins in Passmark integer math, floating point math, and data encryption suggest it excels in specific numerical and cryptographic workloads. The Core i9's 14 cores and 20 threads, with a higher boost clock of 5.40 GHz, give it an edge in these areas. For a mobile processor, its performance is formidable, but the data shows it cannot match the Xeon's sheer computational throughput in most tests. Users prioritizing peak multi-core performance and single-thread execution should choose the Xeon 6507P, while those needing a capable mobile processor with strengths in encryption and integer-heavy tasks should consider the Core i9-13905H.

FAQ

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

A: The Intel Xeon 6507P. It wins all three Cinebench single-core tests, with its largest victory being an 85.5% lead in Cinebench R23 single-core (3747 vs 2020).

Q: How do the two processors compare in multi-core workloads?

A: The Xeon 6507P wins most multi-core tests, including Cinebench R20 (11150 vs 10605) and R23 (26548 vs 20034). The Core i9-13905H wins only Cinebench R15 multi-core (2857 vs 2676).

Q: Does the Core i9-13905H win any benchmarks?

A: Yes, it wins 6 benchmarks, including Passmark data encryption (20464 vs 17753), integer math (101716 vs 88877), and floating point math (73434 vs 69604).

Q: What is the difference in their average benchmark scores?

A: The Xeon 6507P has an average score of 40426, while the Core i9-13905H has an average score of 40313, a difference of only 0.3%.

Q: Which processor is better for physics simulations?

A: The Xeon 6507P is significantly better, winning the Passmark physics test with a 42.9% margin (2935 vs 2054).

Q: How many cores and threads does each processor have?

A: The Xeon 6507P has 8 cores and 16 threads, while the Core i9-13905H has 14 cores and 20 threads.

Specification Differences

The two processors differ across nearly all core specifications. The Xeon 6507P has 8 cores and 16 threads, with a base clock of 3.50 GHz and a boost clock of 4.30 GHz. The Core i9-13905H has 14 cores and 20 threads, with a lower base clock of 2.60 GHz but a higher boost clock of 5.40 GHz. The Xeon has a TDP of 150 W, while the Core i9 has a TDP of 45 W. Their sockets are different: the Xeon uses Intel Socket 4710, and the Core i9 uses Intel BGA 1744. The Xeon supports DDR5 memory over an eight-channel bus with a bandwidth of 409.6 GB/s, while the Core i9 supports both DDR4 and DDR5 over a dual-channel bus with no listed bandwidth. The Xeon supports ECC memory, has no integrated graphics, and offers 88 PCIe Gen 5 lanes. The Core i9 does not support ECC memory, includes Iris Xe Graphics 96EU, and offers 8 PCIe Gen 5 lanes. Their launch MSRPs are $765 for the Xeon and $697 for the Core i9.

Architecture Differences

The Xeon 6507P is built on the Granite Rapids architecture, part of the Xeon 6 (Granite Rapids-SP) generation, using a 5 nm process node. The Core i9-13905H is built on the Raptor Lake architecture, part of the Core i9 (Raptor Lake-H) generation, using a 10 nm process node. The cache configurations differ significantly: the Xeon has 112 KB of L1 cache per core, 2 MB of L2 cache per core, and 48 MB of shared L3 cache. The Core i9 has 80 KB of L1 cache per core, 2 MB of L2 cache per core, and 24 MB of shared L3 cache. The Xeon's memory support is exclusively DDR5 with eight channels, while the Core i9 supports both DDR4 and DDR5 with dual channels. The Xeon has an eight-channel memory bus and a memory bandwidth of 409.6 GB/s, whereas the Core i9 has a dual-channel bus and no listed bandwidth. The Xeon is a server/workstation processor with no integrated graphics, while the Core i9 is a mobile processor with Iris Xe Graphics 96EU. The Xeon also has a larger PCIe lane count at 88 lanes compared to the Core i9's 8 lanes, both Gen 5.

Where Each One Wins

The Intel Xeon 6507P is the clear winner in most computational benchmarks, making it the better choice for server and workstation workloads that demand high multi-threaded performance, such as 3D rendering, video encoding, and scientific computing. Its massive 85.5% lead in Cinebench R23 single-core and 32.5% lead in multi-core demonstrate its raw power. It also excels in extended instruction sets, physics calculations, and prime number finding, indicating strength in specialized compute tasks. The Xeon's eight-channel memory support and 409.6 GB/s bandwidth further cement its role in memory-intensive server applications.

The Intel Core i9-13905H wins in specific areas where its architecture and higher boost clock give it an edge. Its 13.2% lead in data encryption and 12.6% lead in integer math make it suitable for workloads like cryptography and general integer arithmetic. The 5.2% win in floating point math suggests it handles certain numerical operations well. As a mobile processor, its 45 W TDP and integrated Iris Xe Graphics make it a more practical choice for laptops that need a balance of performance and power efficiency. However, in a straight benchmark comparison, the data shows the Xeon 6507P is the superior processor for most tasks, with the Core i9-13905H only claiming victory in a minority of specific tests.