Intel Xeon 6337P vs Intel Xeon E-2436 Comparison

Both the Intel Xeon E-2436 and the Intel Xeon 6337P are 6-core, 12-thread server processors built on the Raptor Lake architecture for the Intel Socket 1700 platform. While they share a common foundation, the benchmark data reveals a clear split in workload suitability. The newer Intel Xeon 6337P, released in February 2025, dominates the majority of tests, but the older Intel Xeon E-2436, from December 2023, holds specific advantages in data and memory-intensive tasks. The data shows that the choice between them hinges entirely on whether the primary workload is processing raw numbers or moving and transforming data.

Where Each One Wins

The Intel Xeon E-2436 is the clear winner in data-centric workloads. Its most significant victory comes in Passmark data encryption, where it scores 13920 against the 6337P's 12604, a 10.4% lead. This advantage extends to other data manipulation tasks: it wins data compression with a score of 246902 versus 237373 (4% ahead) and random string sorting with 28363 versus 26135 (8.5% ahead). It also handles extended instruction sets better, scoring 16334 compared to 15366, a 6.3% margin. This pattern suggests the E-2436 has a particular efficiency in handling complex data operations and cryptographic workloads, despite its lower clock speeds.

In contrast, the Intel Xeon 6337P wins the majority of the benchmark suite, taking 13 out of 17 head-to-head tests. Its wins are particularly pronounced in single-threaded performance and raw computational throughput. For instance, it achieves a Passmark single-thread score of 4104, a full 12.9% higher than the E-2436's 3575. The 6337P also shows large leads in integer math (72301 vs 67082, a 7.2% difference) and floating-point math (53150 vs 50198, a 5.6% difference). The data indicates that for most general-purpose computing, including physics simulations and prime number calculations, the 6337P's higher clocks translate directly into superior performance. The architecture differences are subtle, but the performance data is not.

Architecture Differences

Despite both being based on Raptor Lake and fabricated on Intel's 10 nm process with an identical 163 mm² die size, there are key differences in their specifications. The most notable distinction is the clock speed: the E-2436 has a base clock of 2.90 GHz and a boost clock of 5.00 GHz, while the 6337P operates at a higher 3.50 GHz base and 5.30 GHz boost. This explains the 6337P's consistent lead in most benchmarks, as it simply runs faster. The 6337P also carries a higher TDP of 80 watts compared to the E-2436's 65 watts, which is the likely enabler for those higher clocks.

The cache hierarchy is identical, with 80 KB of L1 per core, 1.25 MB of L2 per core, and a shared 18 MB L3 cache. However, memory support differs. The E-2436 only supports DDR5 memory, while the 6337P supports both DDR4 and DDR5. Interestingly, the E-2436 has a specified memory bandwidth of 76.8 GB/s, while the 6337P's bandwidth is not listed in the data. This could be a factor in the E-2436's superior performance in data compression and encryption tasks, which often benefit from high memory throughput. The 6337P also lists its integrated graphics as "N/A", while the E-2436 has no integrated graphics listed. Both processors support ECC memory and feature Gen 5 PCIe with 16 lanes from the CPU. The 6337P is part of the "Raptor Lake-R" refresh generation, while the E-2436 is from the earlier "Raptor Lake-S" generation.

FAQ

Q: Which processor has the higher boost clock?

A: The Intel Xeon 6337P has a boost clock of 5.30 GHz, which is significantly higher than the Intel Xeon E-2436's 5.00 GHz.

Q: Does the Intel Xeon E-2436 support DDR4 memory?

A: No, the E-2436 only supports DDR5 memory. The Intel Xeon 6337P supports both DDR4 and DDR5.

Q: Which CPU is better for encryption workloads?

A: The Intel Xeon E-2436 is better for encryption, scoring 13920 in the Passmark data encryption test compared to the 6337P's 12604, a 10.4% advantage.

Q: What is the difference in single-thread performance?

A: The Intel Xeon 6337P is substantially faster in single-threaded tasks, achieving a Passmark single-thread score of 4104 versus the E-2436's 3575, a 12.9% difference.

Q: How do the TDPs compare between the two?

A: The Intel Xeon 6337P has a higher thermal design power of 80 watts, while the Intel Xeon E-2436 has a TDP of 65 watts.

Q: Are the cache sizes the same?

A: Yes, both processors have an identical cache layout: 80 KB of L1 per core, 1.25 MB of L2 per core, and 18 MB of shared L3 cache.

Specification Differences

The two processors differ in several key specification fields, which directly correlate with their performance profiles. The most impactful difference is in clock speeds, where the 6337P leads with a 3.50 GHz base and 5.30 GHz boost, compared to the E-2436's 2.90 GHz base and 5.00 GHz boost. This is accompanied by a higher TDP for the 6337P (80W vs 65W). The memory support also differs: the E-2436 is limited to DDR5, while the 6337P supports both DDR4 and DDR5. The E-2436 has a listed memory bandwidth of 76.8 GB/s, whereas the 6337P does not have a listed figure. The 6337P is from the newer "Raptor Lake-R" refresh generation, while the E-2436 is from the earlier "Raptor Lake-S" generation. Their launch MSRPs also differ, with the E-2436 at $331 and the 6337P at $375. Both share the same core count, thread count, socket, architecture, process node, die size, and cache configuration.

Head-to-Head Benchmarks

The benchmark results paint a clear picture of two distinct performance profiles. The Intel Xeon 6337P wins the Cinebench suite across the board, but by a narrow margin. In Cinebench R23 multicore, it scores 18783 against the E-2436's 18389, a 2.1% difference. The single-core results are similarly close, with the 6337P at 2651 versus 2596, also a 2.1% gap. This consistency suggests the clock advantage is the primary driver.

The most dramatic differences appear in the Passmark tests. The 6337P wins Passmark single-thread by 12.9% (4104 vs 3575) and Passmark physics by a substantial 21.7% (1729 vs 1353). It also shows strong leads in integer math (7.2%) and floating-point math (5.6%). For prime number finding, the 6337P leads by 22.2% (108 vs 84), another significant margin.

However, the E-2436 fights back in the data-handling tests. Its biggest win is in data encryption, where it leads by 10.4% (13920 vs 12604). It also shows a strong 8.5% lead in random string sorting (28363 vs 26135) and a 6.3% lead in extended instructions (16334 vs 15366). The data compression result is closer, with the E-2436 ahead by 4% (246902 vs 237373). The overall Passmark multithread score is close, with the 6337P leading by only 1.8% (22098 vs 21708), reflecting that the E-2436's data-centric wins offset some of the 6337P's other advantages. Notably, the E-2436's average benchmark score of 28530 is actually slightly higher than the 6337P's 28333, despite losing 13 of the 17 head-to-head tests.

The Verdict

The data suggests that the Intel Xeon 6337P is the better choice for most general-purpose server and workstation tasks. Its wins in Cinebench, single-thread performance, physics, and math workloads indicate it is the more capable processor for typical compute-heavy applications. The higher clock speeds and newer "Raptor Lake-R" generation provide a meaningful advantage in these areas, despite the higher TDP.

However, the Intel Xeon E-2436 is the clear pick for workloads centered on data processing and security. Its significant leads in encryption, compression, and random string sorting, coupled with its support for faster memory bandwidth, make it the superior choice for database operations, file compression services, and cryptographic tasks. The E-2436 also holds a slight edge in the average benchmark score, suggesting it may offer more balanced performance across varied workloads.

The Intel Xeon 6337P is for users prioritizing raw speed, mathematical computation, and single-threaded responsiveness. The Intel Xeon E-2436 is for users who handle sensitive data, perform heavy data transformation, or require maximum throughput in memory-bound tasks. The choice is not about which is objectively better, but which aligns with the specific demands of the workload.