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Intel Xeon 6730P
Intel Xeon 6731P

Intel Xeon 6730P Intel Xeon 6731P

Overview

Welcome to our in-depth specification comparison between the Intel Xeon 6730P and the Intel Xeon 6731P. Both are high-end server processors sharing the same 3 nm architecture, core count, and memory platform, yet they diverge in meaningful ways. This page examines their key battlegrounds: turbo clock speed, L3 cache capacity, and thermal characteristics — helping you determine which chip best fits your workload demands.

Common Features

  • ✓ Both processors are manufactured using a 3 nm semiconductor process.
  • ✓ Both support PCIe version 5.
  • ✓ Both support 64-bit computing.
  • ✓ Neither processor includes integrated graphics.
  • ✓ Both have a base CPU speed of 32 cores at 2.5 GHz.
  • ✓ Both offer 64 CPU threads.
  • ✓ Both have an L1 cache of 3584 KB.
  • ✓ Both have an L2 cache of 64 MB.
  • ✓ Both provide 2 MB of L2 cache per core.
  • ✓ Both share a clock multiplier of 25.
  • ✓ Neither processor has an unlocked multiplier.
  • ✓ Both support Turbo Boost version 2.
  • ✓ Both support ECC memory.
  • ✓ Both offer a maximum memory bandwidth of 409.6 GB/s.
  • ✓ Both use DDR5 memory.
  • ✓ Both support a maximum RAM speed of 6400 MHz.
  • ✓ Both support a maximum memory amount of 4000 GB.
  • ✓ Both feature 8 memory channels.
  • ✓ Both use multithreading.
  • ✓ Both support the same instruction sets: MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2.
  • ✓ Both processors include the NX bit security feature.

Main Differences

  • • Thermal Design Power (TDP) is 250W on Intel Xeon 6730P and 245W on Intel Xeon 6731P.
  • • Maximum CPU temperature is 94 °C on Intel Xeon 6730P and 102 °C on Intel Xeon 6731P.
  • • Turbo clock speed is 3.8 GHz on Intel Xeon 6730P and 4.1 GHz on Intel Xeon 6731P.
  • • L3 cache is 288 MB on Intel Xeon 6730P and 144 MB on Intel Xeon 6731P.
  • • L3 cache per core is 9 MB/core on Intel Xeon 6730P and 4.5 MB/core on Intel Xeon 6731P.
Specs Comparison
Intel Xeon 6730P

Intel Xeon 6730P

Intel Xeon 6731P

Intel Xeon 6731P

General info:
Thermal Design Power (TDP) 250W 245W
release date February 2025 February 2025
semiconductor size 3 nm 3 nm
PCI Express (PCIe) version 5 5
Supports 64-bit ✓ ✓
CPU temperature 94 °C 102 °C
Has integrated graphics ✕ ✕

The Intel Xeon 6730P and Xeon 6731P share the same modern 3 nm process node and PCIe 5.0 interface, establishing a strong common foundation for high-bandwidth workloads. Both lack integrated graphics and fully support 64-bit operation, which is expected for server-class processors in this segment — these shared traits confirm they target essentially the same deployment environment.

The most meaningful divergence in this group lies in thermal behavior. The 6730P carries a 250W TDP against the 6731P's 245W — a 5W difference that is largely negligible in a data center context where power delivery is designed around much larger headroom. More noteworthy is the maximum CPU temperature: the 6731P is rated up to 102°C, compared to 94°C for the 6730P. A higher thermal ceiling means the 6731P can sustain operation under greater thermal stress before throttling kicks in, which can matter in dense chassis configurations with constrained airflow.

Overall, these two processors are extremely close in their general characteristics. The 6731P holds a slight edge in thermal resilience due to its higher rated junction temperature, making it marginally more tolerant of demanding or thermally challenging deployments — but for most standard server environments, the difference is minimal and unlikely to be the deciding factor on its own.

Performance:
CPU speed 32 x 2.5 GHz 32 x 2.5 GHz
CPU threads 64 threads 64 threads
turbo clock speed 3.8GHz 4.1GHz
L3 cache 288 MB 144 MB
L1 cache 3584 KB 3584 KB
L2 cache 64 MB 64 MB
L2 core 2 MB/core 2 MB/core
clock multiplier 25 25
Has an unlocked multiplier ✕ ✕
L3 core 9 MB/core 4.5 MB/core
Turbo Boost version 2 2

At their core, both processors are identical in base configuration: 32 cores running at 2.5 GHz with 64 threads, the same L1 and L2 cache sizes, and a locked multiplier. The performance story, however, diverges in two significant ways — turbo frequency and L3 cache — and these differences pull in opposite directions depending on the workload.

The 6731P reaches a higher turbo clock of 4.1 GHz versus 3.8 GHz on the 6730P, a 300 MHz gap that translates to a meaningful advantage in latency-sensitive or single-threaded-burst scenarios where peak frequency directly impacts responsiveness. On the other hand, the 6730P carries a substantially larger 288 MB L3 cache — double the 144 MB found on the 6731P — with a corresponding per-core advantage of 9 MB/core versus 4.5 MB/core. A larger L3 dramatically reduces main memory access frequency, benefiting data-intensive workloads like in-memory databases, large-scale analytics, and HPC applications where working set sizes are large.

Neither processor holds an unconditional performance edge. The 6731P is better suited for workloads that reward higher peak frequencies, while the 6730P is the stronger choice when cache capacity is the bottleneck. Buyers should prioritize based on workload profile: frequency-sensitive tasks favor the 6731P, while cache-hungry applications clearly favor the 6730P.

Memory:
Supports ECC memory ✓ ✓
maximum memory bandwidth 409.6 GB/s 409.6 GB/s
DDR memory version 5 5
RAM speed (max) 6400 MHz 6400 MHz
maximum memory amount 4000GB 4000GB
memory channels 8 8

Across every memory specification provided, the Xeon 6730P and Xeon 6731P are a perfect match. Both support DDR5 with a maximum speed of 6400 MHz, offer 8 memory channels, cap out at 4000 GB of addressable RAM, and deliver identical peak bandwidth of 409.6 GB/s. ECC support is present on both, which is standard and essential for server-class reliability.

The practical implication is that neither processor offers any memory-related advantage over the other. The 8-channel DDR5 architecture with 409.6 GB/s bandwidth is well-suited for throughput-heavy workloads, and the 4 TB memory ceiling accommodates the most memory-demanding enterprise applications. Any platform built around one of these CPUs would behave identically to the other from a memory subsystem perspective.

This group is a clear tie — memory configuration should not be a differentiating factor in any purchase decision between these two processors.

Features:
uses multithreading ✓ ✓
instruction sets MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, SSE 4.2 MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, SSE 4.2
Has NX bit ✓ ✓

Feature parity is complete between the Xeon 6730P and Xeon 6731P in this category. Both support multithreading and share an identical instruction set roster: AVX, AVX2, FMA3, AES, F16C, MMX, SSE 4.1, and SSE 4.2. The NX bit is also present on both, providing hardware-level protection against certain classes of memory exploitation attacks.

From a software compatibility and workload enablement standpoint, this means the two processors are interchangeable. The inclusion of AES accelerates encryption and decryption at the hardware level — relevant for secure communications and storage. AVX2 and FMA3 together enable efficient vectorized floating-point operations, which benefit scientific computing, machine learning inference, and media processing pipelines. Neither CPU offers any instruction set that the other lacks.

This group is a definitive tie. No feature-based distinction exists between these two processors, and instruction set support should carry no weight in a decision between them.

Comparison Summary & Verdict

After a thorough look at both processors, it is clear that the Intel Xeon 6730P and Intel Xeon 6731P each carve out a distinct niche. The Intel Xeon 6730P stands out with its massive 288 MB L3 cache (9 MB per core), making it the stronger candidate for workloads that are highly sensitive to memory latency and large working-set data, such as in-memory databases or data analytics. The Intel Xeon 6731P, on the other hand, pulls ahead with a higher turbo clock speed of 4.1 GHz, a slightly lower TDP of 245W, and a greater maximum CPU temperature tolerance of 102 °C, giving it an edge in single-threaded burst performance and power-constrained deployments. All other core specifications — including cores, threads, memory bandwidth, and platform support — are identical between the two.

Intel Xeon 6730P
Buy Intel Xeon 6730P if...

Buy the Intel Xeon 6730P if your workloads depend on large L3 cache capacity, as its 288 MB cache (9 MB per core) significantly outpaces the 6731P for latency-sensitive and data-heavy applications.

Intel Xeon 6731P
Buy Intel Xeon 6731P if...

Buy the Intel Xeon 6731P if you prioritize higher turbo clock speeds (4.1 GHz) and slightly lower power consumption, making it better suited for burst-performance workloads in power-constrained environments.