Intel Core i9-13900H vs Intel Xeon 6337P Comparison

Head-to-Head Benchmarks

The benchmark database records 17 direct comparisons between the Intel Core i9-13900H and the Intel Xeon 6337P. The Core i9 takes 12 of those wins, while the Xeon claims 5. The margins, however, tell a more nuanced story than the raw win count.

The Core i9-13900H dominates in nearly every multi-threaded workload. In Cinebench R15 multicore, it scores 2666.5 against the Xeon's 1893, a 40.9% advantage. The gap narrows in Cinebench R20 multicore, where the Core i9 leads 9676 to 7888, a 22.7% difference. PassMark integer math shows a 34.4% lead (97159 vs 72301), and floating-point math follows with a 31% edge (69611 vs 53150). Data compression is particularly lopsided: the Core i9 hits 326425 versus 237373, a 37.5% improvement. Data encryption shows the largest single delta at 50.5%, with scores of 18974 and 12604 respectively. Extended instructions also favor the Core i9 by 25.8% (19330 vs 15366), and random string sorting goes to the Core i9 by 36.4% (35637 vs 26135). PassMark multithread confirms the trend: 27673 for the Core i9 against 22098, a 25.2% edge.

The Xeon 6337P, meanwhile, wins the newer Cinebench R23 tests. In R23 multicore, the Xeon scores 18783 versus 17471 for the Core i9, a 7% advantage. The single-core gap is far more pronounced: the Xeon records 2651 in R23 singlecore against 1964.5, a 25.9% lead. PassMark single-thread also goes to the Xeon, 4104 to 3754, an 8.5% margin. The Xeon also edges out a narrow win in PassMark find prime numbers, 108 to 104, a 3.7% difference.

The Cinebench R15 singlecore result is close, with the Core i9 winning 279 to 267 (4.5%), and PassMark physics is nearly a tie at 1745 versus 1729 (0.9% for the Core i9). These near-identical results suggest that at low thread counts, the two processors are comparable, but the Xeon's higher per-core clock advantage shows up in the newer R23 and PassMark single-thread tests.

Architecture Differences

Both processors share Intel's Raptor Lake architecture, but they target different segments. The Core i9-13900H is a mobile part in the Raptor Lake-H family, while the Xeon 6337P belongs to the Raptor Lake-R refresh line and is classified under the Xeon 6 generation. Both use Intel's 10 nm process node and are built by Intel, but the die sizes differ: the Core i9 measures 257 mm² while the Xeon is smaller at 163 mm².

Core counts diverge sharply. The Core i9 has 14 cores and 20 threads, whereas the Xeon has only 6 cores and 12 threads. This explains the Core i9's broad multi-threaded superiority in most tests. Cache configurations also differ. The Core i9 features 2 MB of L2 per core and 24 MB of shared L3. The Xeon offers 1.25 MB of L2 per core and 18 MB of shared L3. Both have 80 KB of L1 per core.

Clock speeds tell the opposite story. The Core i9 has a base clock of 2.60 GHz and a boost of 5.40 GHz. The Xeon starts higher at 3.50 GHz base but boosts to 5.30 GHz. The Xeon's higher base clock and strong single-core boost help explain its wins in R23 singlecore and PassMark single-thread.

Memory support is identical in type: both support DDR4 and DDR5 with a dual-channel memory bus. However, ECC memory support differs: the Core i9 does not support ECC, while the Xeon does. PCIe lanes also differ: the Core i9 provides Gen 5 with 8 lanes (CPU only), while the Xeon provides Gen 5 with 16 lanes (CPU only). Integrated graphics are present only on the Core i9, which has Iris Xe Graphics with 96 execution units; the Xeon has no integrated graphics.

The sockets differ as well: the Core i9 uses Intel BGA 1744, while the Xeon uses Intel Socket 1700. The Core i9 has a TDP of 45 watts, whereas the Xeon has a TDP of 80 watts. Production status for both is active. Release dates are separated: the Core i9 launched on 2023-01-03, while the Xeon launched on 2025-02-23. The Core i9's part number is SRMJ4, the Xeon's is SRPLU. Both have locked multipliers.

Where Each One Wins

The Core i9-13900H is the clear winner for multi-threaded, throughput-oriented tasks. Its 14 cores and 20 threads give it a decisive edge in Cinebench R15 and R20 multicore, PassMark integer and floating-point math, data compression, encryption, extended instructions, random string sorting, and the PassMark multithread test. For workloads that scale across many threads, such as video encoding, software compilation, or data processing, the recorded data shows the Core i9 ahead by margins of 22.7% to 50.5%. Its lower TDP of 45 watts also suggests it can deliver this performance in a mobile form factor, making it suitable for high-end laptops that need substantial compute without a desktop power budget.

The Xeon 6337P wins in specific single-threaded and lightly threaded scenarios. Its R23 singlecore score of 2651 versus 1964.5 is a 25.9% margin, and its PassMark single-thread score of 4104 beats the Core i9's 3754 by 8.5%. The Xeon also wins Cinebench R23 multicore, despite having fewer cores, which indicates that its higher per-core clocks and possibly more efficient core implementation matter in that particular benchmark. The Xeon edges out a win in prime number finding, likely due to its higher base clock. For workloads that are latency-sensitive, single-thread-dominated, or that benefit from ECC memory, the Xeon is the better choice. Its 16 PCIe Gen 5 lanes and server/workstation market segment also point toward use in systems requiring more I/O expansion and memory reliability.

Specification Differences

| Specification | Intel Core i9-13900H | Intel Xeon 6337P |

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

| Cores | 14 | 6 |

| Threads | 20 | 12 |

| Base clock | 2.60 GHz | 3.50 GHz |

| Boost clock | 5.40 GHz | 5.30 GHz |

| TDP | 45 W | 80 W |

| Socket | Intel BGA 1744 | Intel Socket 1700 |

| Codename | Raptor Lake-H | Raptor Lake-R |

| Die size | 257 mm² | 163 mm² |

| L2 cache | 2 MB (per core) | 1.25 MB (per core) |

| L3 cache | 24 MB (shared) | 18 MB (shared) |

| ECC memory | No | Yes |

| PCIe lanes | Gen 5, 8 Lanes (CPU only) | Gen 5, 16 Lanes (CPU only) |

| Integrated graphics | Iris Xe Graphics 96EU | N/A |

| Market segment | Mobile | Server/Workstation |

| Release date | 2023-01-03 | 2025-02-23 |

| Part number | SRMJ4 | SRPLU |

| Launch MSRP | $617 | $375 |

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core i9-13900H has 14 cores and 20 threads, while the Intel Xeon 6337P has 6 cores and 12 threads.

Q: Why does the Xeon 6337P win in Cinebench R23 singlecore despite having fewer cores?

A: The Xeon has a higher base clock of 3.50 GHz versus 2.60 GHz for the Core i9, and its boost clock of 5.30 GHz is close to the Core i9's 5.40 GHz. The recorded R23 singlecore score for the Xeon is 2651, which is 25.9% higher than the Core i9's 1964.5.

Q: Does the Core i9-13900H support ECC memory?

A: No. The Core i9-13900H does not support ECC memory. The Xeon 6337P does support ECC memory.

Q: Which processor is better for data compression workloads?

A: The Core i9-13900H is significantly better. Its PassMark data compression score is 326425, which is 37.5% higher than the Xeon's 237373.

Q: What is the difference in PCIe lane counts?

A: The Core i9-13900H provides Gen 5 with 8 lanes (CPU only), while the Xeon 6337P provides Gen 5 with 16 lanes (CPU only).

Q: Which processor has integrated graphics?

A: The Core i9-13900H has Iris Xe Graphics with 96 execution units. The Xeon 6337P has no integrated graphics (N/A).

The Verdict

The data points to a clear split based on workload type. The Intel Core i9-13900H is the choice for users who need maximum multi-threaded throughput in a mobile package. It wins 12 of 17 head-to-head benchmarks, with decisive margins in data encryption (50.5%), data compression (37.5%), random string sorting (36.4%), integer math (34.4%), and floating-point math (31%). Its 14 cores and 20 threads, combined with a 45 watt TDP, make it suitable for high-performance laptops where parallel compute is paramount.

The Intel Xeon 6337P is the pick for single-threaded performance and workstation/server reliability. It wins 5 benchmarks, including the important Cinebench R23 singlecore (2651 vs 1964.5, a 25.9% edge) and R23 multicore (18783 vs 17471, a 7% edge). Its higher base clock of 3.50 GHz, ECC memory support, 16 PCIe Gen 5 lanes, and server/workstation market segment make it appropriate for systems that prioritize per-core speed, memory integrity, and I/O expansion over raw core count.

For the average user running a mix of applications, the Core i9-13900H offers the broader performance profile. For a workstation that demands reliability in long-running, single-threaded tasks or ECC memory, the Xeon 6337P is the data-supported choice. The near-tie in PassMark physics (1745 vs 1729) and the small 4.5% difference in Cinebench R15 singlecore show that at very low thread counts, the two are comparable, but the Xeon's newer release and higher base clock give it a consistent edge in the latest single-thread tests.