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Intel Xeon 6728P specifications and in-depth review

Intel Xeon 6728P

Manufacturer: Intel

The Intel Xeon 6728P is an enterprise CPU designed for demanding workloads, offering a robust processing solution with 48 threads. With a base clock speed of 24 x 2.7 GHz and turbo boost capabilities up to 4.1 GHz, this processor delivers reliable performance for large-scale applications and server environments.

Equipped with support for ECC memory and DDR5 memory, the Xeon 6728P can handle up to 4000GB of RAM. Its advanced features include 8 memory channels and a high RAM speed of 6400 MHz, ensuring fast data transfer and processing. Additionally, this CPU supports a PCIe 5.0 interface, providing the latest in data bandwidth for expansion and connectivity.

Pros
  • Supports multithreading, enhancing its ability to handle parallel workloads efficiently.
  • Compatible with DDR5 memory, providing faster data transfer speeds and improved performance.
  • Has a high maximum memory capacity of 4000GB, suitable for memory-intensive applications and large-scale data processing.
  • Supports ECC memory, ensuring data integrity for critical enterprise environments.
  • Equipped with 8 memory channels, optimizing data flow and improving overall system bandwidth.
Cons
  • Does not include integrated graphics, requiring a dedicated GPU for graphical tasks.
  • The unlocked multiplier is not available, limiting overclocking potential for advanced users.
  • Has a relatively high CPU temperature of 97°C, which may require effective cooling solutions for extended workloads.
Who is this for?

The Intel Xeon 6728P is ideal for high-performance computing environments, where large-scale data processing and parallel workloads are common. With support for 48 threads and a maximum memory capacity of 4000GB, it excels in scenarios that require extensive multitasking and large memory allocations, such as enterprise servers or scientific computations. Additionally, its support for ECC memory ensures data integrity, making it suitable for mission-critical applications where reliability is paramount.

Who is this NOT for?

This processor may not be ideal for users requiring integrated graphics or those looking for a CPU that can handle light graphical tasks. The Intel Xeon 6728P lacks integrated graphics, so it would need a dedicated GPU for any visual processing. Furthermore, its high CPU temperature of 97°C might make it less suitable for environments with limited cooling, potentially leading to thermal throttling or system instability under heavy loads.

General info:

Thermal Design Power (TDP) 210W
release date February 2025
semiconductor size 3 nm
PCI Express (PCIe) version 5
Supports 64-bit ✓
CPU temperature 97 °C
Has integrated graphics ✕

The Intel Xeon 6728P features a thermal design power (TDP) of 210W, designed to handle the heat output during operation. It is built on a 3 nm semiconductor size for enhanced efficiency and performance. The processor supports PCIe version 5.0, providing high-speed connectivity, and is capable of running 64-bit applications. However, it does not include integrated graphics and has a maximum CPU temperature of 97°C.

Performance:

CPU speed 24 x 2.7 GHz
CPU threads 48 threads
turbo clock speed 4.1GHz
L3 cache 144 MB
L1 cache 2688 KB
L2 cache 48 MB
L2 core 2 MB/core
clock multiplier 27
Has an unlocked multiplier ✕
L3 core 6 MB/core
Turbo Boost version 2

The Intel Xeon 6728P delivers impressive performance with a base clock speed of 24 x 2.7 GHz and a turbo boost of up to 4.1 GHz. It features 48 threads, making it well-suited for parallel processing tasks. With a total of 144 MB of L3 cache and 48 MB of L2 cache, it ensures efficient data handling, while the clock multiplier of 27 allows for optimized processing speeds. This processor does not have an unlocked multiplier and supports Turbo Boost 2.0 for dynamic performance scaling.

Memory:

Supports ECC memory ✓
DDR memory version 5
RAM speed (max) 6400 MHz
maximum memory amount 4000GB
memory channels 8
bus transfer rate 24 GT/s

The Intel Xeon 6728P supports ECC memory for error correction, ensuring data integrity in critical applications. It is compatible with DDR5 memory, offering a maximum RAM speed of 6400 MHz and a maximum memory capacity of 4000GB. The processor is equipped with 8 memory channels, enabling efficient data flow, and provides a high bus transfer rate of 24 GT/s for fast communication between components.

Features:

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

The Intel Xeon 6728P supports multithreading, allowing for improved performance in parallel tasks. It includes a broad range of instruction sets, such as MMX, AES, AVX, and SSE 4.2, to enhance processing efficiency. Additionally, it features the NX bit, providing enhanced security by preventing the execution of malicious code in certain regions of memory.

Benchmarks:

Final Verdict

The Intel Xeon 6728P is a powerful enterprise CPU, offering substantial performance with 48 threads and support for up to 4000GB of memory, making it well-suited for demanding, high-throughput applications. Its inclusion of ECC memory support ensures reliability in mission-critical environments. While it lacks integrated graphics and has a relatively high operating temperature, these limitations are outweighed by its robustness and reliability for large-scale computing tasks. This processor is an excellent choice for data-intensive workloads in server and enterprise settings.

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