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Intel Xeon 6553P-B specifications and in-depth review

Intel Xeon 6553P-B

Manufacturer: Intel

The Intel Xeon 6553P-B is a high-performance Enterprise CPU designed for demanding server and workstation environments. With a base speed of 36 x 2.6 GHz and a thermal design power (TDP) of 235W, this processor is built to handle intensive workloads.

This processor supports DDR5 ECC memory with a maximum memory bandwidth of 204.8 GB/s and can accommodate up to 1130GB of RAM. It features 72 threads, a turbo boost clock speed of 4 GHz, and 144 MB of L3 cache. The Xeon 6553P-B uses PCIe 5.0, and offers robust multithreading capabilities with support for multiple instruction sets like AVX and AES.

Pros
  • Supports ECC memory, ensuring data integrity for critical applications.
  • Capable of handling up to 1130GB of memory, making it suitable for memory-intensive workloads.
  • Utilizes multithreading, which enhances performance by efficiently managing multiple tasks simultaneously.
  • Offers high maximum memory bandwidth of 204.8 GB/s, improving data transfer speed for demanding tasks.
  • Supports a wide range of instruction sets, including AVX, AES, and FMA3, optimizing performance for various computational needs.
Cons
  • Does not include integrated graphics, requiring a discrete GPU for graphical tasks.
  • Has a locked multiplier, limiting the ability to overclock and adjust performance beyond the default specifications.
Who is this for?

The Intel Xeon 6553P-B is ideal for enterprise environments that demand high computational power and reliability. With its support for ECC memory, it ensures data integrity for mission-critical applications. Its ability to handle up to 1130GB of memory and achieve a maximum memory bandwidth of 204.8 GB/s makes it well-suited for memory-intensive workloads such as large-scale data processing or virtualization. Additionally, its multithreading capabilities and wide range of instruction sets allow it to efficiently process complex tasks in server and high-performance computing setups.

Who is this NOT for?

This processor is not suitable for users who require integrated graphics, as it lacks this feature. Additionally, its locked multiplier means it cannot be overclocked for higher performance, making it less suitable for users who need customizable or maximum performance for specific tasks. The high thermal design power (TDP) of 235W also limits its use in compact or low-power environments where energy efficiency is a priority.

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 6553P-B features a thermal design power (TDP) of 235W, reflecting its high-performance capabilities. It is built using a 3 nm semiconductor size for improved efficiency and performance. This processor supports PCIe 5.0, ensuring fast data transfer speeds, and operates at a CPU temperature of 85°C. Additionally, it fully supports 64-bit architecture, but it does not include integrated graphics.

Performance:

CPU speed 36 x 2.6 GHz
CPU threads 72 threads
turbo clock speed 4GHz
L3 cache 144 MB
L1 cache 4032 KB
L2 cache 72 MB
L2 core 2 MB/core
clock multiplier 26
Has an unlocked multiplier ✕
L3 core 4 MB/core
Turbo Boost version 2

The Intel Xeon 6553P-B is equipped with a total clock speed of 36 x 2.6 GHz, delivering substantial processing power across its 72 threads. It features a 144 MB L3 cache and includes 72 MB of L2 cache, ensuring fast data access for demanding tasks. The processor also supports a turbo boost clock speed of 4 GHz for enhanced performance under load, though it lacks an unlocked multiplier for overclocking.

Memory:

Supports ECC memory ✓
maximum memory bandwidth 204.8 GB/s
DDR memory version 5
RAM speed (max) 6400 MHz
maximum memory amount 1130GB
memory channels 4

The Intel Xeon 6553P-B supports ECC memory, ensuring data integrity for critical applications. It can handle a maximum memory amount of 1130GB, with a maximum memory bandwidth of 204.8 GB/s and supports DDR5 memory at speeds up to 6400 MHz. Additionally, it utilizes 4 memory channels to optimize memory performance and efficiency.

Features:

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

The Intel Xeon 6553P-B utilizes multithreading to efficiently handle multiple tasks simultaneously. It supports a wide range of instruction sets, including MMX, AVX, AES, and more, enabling optimized performance for a variety of workloads. Additionally, it includes the NX bit for enhanced security by preventing certain types of malicious code execution.

Benchmarks:

Final Verdict

The Intel Xeon 6553P-B is a high-performance processor designed for enterprise-level applications requiring robust computational power and memory support. With its ECC memory support and impressive maximum memory bandwidth of 204.8 GB/s, it excels in environments demanding data integrity and fast data processing. The multithreading capabilities and wide range of instruction sets further enhance its performance in server and high-performance computing scenarios. While it lacks integrated graphics and cannot be overclocked, this processor remains a strong choice for tasks that prioritize reliability and heavy memory usage, particularly in data centers or virtualization environments.