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Intel Xeon 6726P-B specifications and in-depth review

Intel Xeon 6726P-B

Manufacturer: Intel

The Intel Xeon 6726P-B is a high-performance Enterprise CPU designed for heavy workloads and complex processing tasks. With a base clock speed of 2.3 GHz and a turbo boost up to 3.5 GHz, it delivers reliable performance. The CPU features 84 threads for efficient multitasking and parallel processing.

This processor supports DDR5 memory with a maximum RAM speed of 6400 MHz, offering enhanced memory bandwidth for demanding applications. Additionally, it supports ECC memory, making it ideal for critical systems where data integrity is a priority. With a substantial 168 MB of L3 cache and 4 MB per core of L3 cache, it ensures smooth and efficient data access.

Pros
  • Supports ECC memory, ensuring higher data integrity for critical applications.
  • Equipped with 84 threads, ideal for handling parallel processing and multitasking efficiently.
  • Offers a substantial 168 MB L3 cache for improved data retrieval speeds during heavy workloads.
Cons
  • Does not include integrated graphics, requiring a separate GPU for visual processing.
  • Has a relatively high 235W TDP, which may require enhanced cooling solutions for optimal performance.
  • The clock multiplier is locked, limiting overclocking potential.
Who is this for?

The Intel Xeon 6726P-B is ideal for enterprise environments that require high computational power and reliable memory performance. With its support for ECC memory and 84 threads, it is well-suited for mission-critical workloads like data processing, server farms, and virtualization. The processor's substantial 168 MB L3 cache also ensures quick data retrieval, making it suitable for applications that demand rapid access to large datasets.

Who is this NOT for?

This processor is not suitable for users seeking a more energy-efficient or budget-friendly solution, as its 235W TDP suggests higher power consumption, necessitating robust cooling. Additionally, the lack of integrated graphics limits its use in systems that require on-board graphical capabilities without a dedicated GPU, making it less ideal for general-purpose workstations or entry-level tasks.

General info:

Thermal Design Power (TDP) 235W
release date February 2025
semiconductor size 3 nm
PCI Express (PCIe) version 5
Supports 64-bit ✓
CPU temperature 85 °C
Has integrated graphics ✕

The Intel Xeon 6726P-B features a 235W thermal design power (TDP), making it suitable for demanding workloads while maintaining stability. It is built on a 3 nm semiconductor process, ensuring high efficiency and performance. The processor supports PCI Express 5.0 for faster data transfer speeds and is fully compatible with 64-bit systems. However, it does not include integrated graphics, and its maximum operating temperature is 85 °C.

Performance:

CPU speed 42 x 2.3 GHz
CPU threads 84 threads
turbo clock speed 3.5GHz
L3 cache 168 MB
L1 cache 4704 KB
L2 cache 84 MB
L2 core 2 MB/core
clock multiplier 23
Has an unlocked multiplier ✕
L3 core 4 MB/core
Turbo Boost version 2

The Intel Xeon 6726P-B offers a substantial processing capability with a base CPU speed of 42 x 2.3 GHz and a turbo boost clock speed reaching 3.5 GHz. It features an impressive 84 threads to handle complex tasks and simultaneous processes. The processor is equipped with a large 168 MB L3 cache, ensuring quick data access, complemented by 4704 KB of L1 cache and 84 MB of L2 cache for efficient operations across multiple levels.

Memory:

Supports ECC memory ✓
DDR memory version 5
RAM speed (max) 6400 MHz
maximum memory amount 1130GB
memory channels 4

The Intel Xeon 6726P-B supports ECC memory, ensuring error correction for critical applications that demand data integrity. It is compatible with the DDR5 memory version, allowing faster memory access and improved performance. With a maximum RAM capacity of 1130GB and 4 memory channels, it provides substantial scalability and bandwidth for large-scale enterprise systems.

Features:

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

The Intel Xeon 6726P-B supports multithreading, enabling better performance for parallel tasks and more efficient use of its processing power. It is compatible with a variety of instruction sets, including MMX, F16C, FMA3, AVX, AES, AVX2, SSE 4.1, and SSE 4.2, offering broad functionality for different workloads. Additionally, it includes the NX bit, providing enhanced security by preventing certain types of attacks.

Benchmarks:

Final Verdict

The Intel Xeon 6726P-B is a powerful enterprise CPU designed for demanding workloads that require substantial processing power. With its 84 threads and support for ECC memory, it excels in environments where reliability and high parallel processing capabilities are essential. While it may not be suitable for those needing integrated graphics or seeking a low-power solution, its performance, large cache, and advanced features make it a solid choice for data centers and high-performance computing tasks. Overall, the Xeon 6726P-B stands out for enterprise-grade applications requiring stability, speed, and scalability.