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Understanding AMD EPYC Processors: What is the "P" Suffix ?

What is the "P" suffix in AMD EPYC CPUs

The world of server processors is intricate, where details matter very much, and even a single letter can indicate significant differences in processor performance, application, and target audience. AMD's EPYC series of processors, known for their robust performance and efficiency in handling server workloads, includes the models that end with a "P" suffix, such as the AMD EPYC 7551P, and newer generations. This letter is not just a trivial addition but signifies a distinct set of features and intended used that set these CPUs apart from their non-P counterparts. In this blog post, we will dive into the area of AMD EPYC processors, focusing on the meaning and implications of the suffix "P".

What Does the "P" Stand For?

The "P" in AMD EPYC processors and similar models stands for "Premium" or "Performance". However, its meaning goes beyond these simple interpretations. It indicates that the processor is designed to be a single-socket solution, optimized for scenarios where a single processors are sufficient to handle the server's workload. This differentiates it from the more common dual-socket capable processors that are designed to work in pairs rather than solo for increased performance and redudancy.

Single-Socket Optimization

One of the key features of "P" designated EPYC processors is their optimization for single-socket configurations. In the data center world, the ability to run a server efficiently with a single processor reduces hardware costs, power consumption, and space requirements. The AMD EPYC 7551P, for example, is engineered to deliver robust performance without the need for a second processor. This makes it an ideal choice for small to medium-sized businesses or specific applications where dual-socket configurations would be an overkill or unecessary.

Cost-effective Solutions

From a financial perspective, the "P" models offer significant cost savings. By designing these processors for single-socket servers, such as the Dell PowerEdge R6515, AMD allows organizations to build powerful servers without the extra expense of a second processor. This cost efficiency extends to other hardware pieces of the server system, such as reduced cooling, motherboard area coverage, extra storage hardware, or the further lowering of the total cost of ownership.

Performance and Use Cases

Despite being single-socket optimized, the "P" series of the AMD EPYC processors do not compromise on performance. They are equipped with a high core and thread count, substatial cache memory, advanced AMD features such as high speed memory support and extensive I/O capabilities. These CPUs are well-suited for a range of applications, from virtualization and cloud computing to high-performance computing and large-scala data analysis.

Market Impact

The introduction of the "P" series processor by AMD has had a significant impact on the server market. It has provided a viable alternative for organizations looking for powerful yet cost-effective server solutions. By catering to the single-socket server realm, AMD has expanded its market reach and offered more choices to consumers, challenging the dominance of dual-socket server configurations traditionally seen in the industry.


In conclusion, the "P" suffix in AMD EPYC processors such as the 7713P represents a strategic move by AMD to address the needs of a specific area of the server market. These processors are designed to offer high performance in single-socket configurations, providing a cost-effective and efficient solution for various applications. The "P" series stands out as a testament to AMD's commitment to innovation and its ability to tailor products to meet diverse market demands, ensuring that every letter in a processor's name carries significant weight and meaning in the world of processor technology.

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