AMD EPYC 4564P 16c/32t 4.5GHz-5.7GHz 170W (100-000001476)

AMD EPYC 4564P: High-Frequency Single-Socket Zen 4 CPU for Latency-Sensitive Workloads

The AMD EPYC 4564P is a 16-core, 32-thread single-socket server processor built on the Zen 4 “Raphael” architecture. Unlike mainstream EPYC parts that focus on high core density and multi-socket scalability, the 4564P is designed to maximize per-core performance, low-latency responsiveness and frequency-driven throughput for modern cloud and edge workloads. With a 4.5 GHz base clock and boost frequencies up to 5.7 GHz, it delivers some of the highest single-thread performance available in the server space.

Architectural positioning and platform role
The EPYC 4564P occupies a distinct position in AMD’s server stack. It uses the AM5 platform instead of the SP5 infrastructure used by Genoa and Turin, which simplifies system design and enables more compact, power-efficient servers. The “P” suffix indicates optimization for single-socket configurations, making the 4564P an ideal choice for deployments where adding more sockets does not provide proportional benefits.

Rather than targeting the maximum number of cores, the processor is tuned for high clock speeds, fast cache access and consistent per-core behavior. In practice, this moves it into a segment closer to high-frequency Xeon E and W-series CPUs or specialized cloud “high-frequency” instances, but with the reliability, ECC support and 24/7 duty-cycle characteristics expected from the EPYC family.

Workload suitability and real-world scenarios
The strength of the EPYC 4564P lies in workloads where latency and single-thread responsiveness dominate overall performance. Typical scenarios include:

• Trading infrastructure and financial systems: low-latency order routing, pricing engines, risk checks and aggregation layers that benefit from high clock speeds and minimal jitter.
• Web servers, API gateways and microservices: front-end services and API layers where tail latency (p95–p99.9) and fast response times are critical for user experience and SLA compliance.
• JVM-based platforms: Java and Scala applications, Kafka brokers, search engines and stream processors that frequently hit single-thread bottlenecks on hot paths and coordination threads.
• Real-time data pipelines: ingestion layers, event processing and log handling with strict per-event latency requirements rather than pure batch throughput.
• Edge compute nodes: compact servers running inference, image processing or local decision engines where power, footprint and fast reaction to incoming requests matter more than massive parallelism.

Memory and I/O characteristics
The EPYC 4564P supports dual-channel DDR5 memory up to 5200 MT/s. While this is a smaller memory subsystem than SP5-based EPYC CPUs with 8 or 12 channels, for the kinds of frequency-oriented workloads it targets, memory bandwidth is rarely the primary bottleneck. In many latency-sensitive and networking-focused applications, cache behavior and clock speed have a greater impact on real-world performance than raw memory channel count.

The CPU exposes 28 PCIe 5.0 lanes, enabling high-speed connectivity for NVMe SSDs, 25/40/100 GbE network adapters, SmartNICs and accelerator cards. Although this is fewer lanes than large SP5 EPYC processors provide, it is sufficient for the typical single-socket, high-frequency servers the 4564P is meant for, especially in edge and micro-datacenter environments where chassis size and power limits constrain expansion anyway.

Performance perspective versus SP5 “big EPYC”
Compared to SP5-based EPYC processors such as Genoa and Bergamo, the 4564P trades core count and memory capacity for higher per-core performance and lower latency. It offers:

• Significantly higher single-thread performance due to very high boost clocks and Zen 4 IPC.
• Simpler topology with fewer CCDs, which can improve cache locality and reduce some sources of latency.
• Lower total platform power and easier cooling than extreme high-core-count parts.

In return, it does not attempt to compete in maximum throughput for large databases, HPC, or heavy offline analytics—areas where 64–128 core EPYC Genoa or Turin SKUs remain more suitable.

Deployment strategy and ideal users
The AMD EPYC 4564P fits best in environments where performance per core is more important than performance per socket. It is well-suited for organizations that:

• Run latency-critical services where response time and jitter matter more than raw thread count.
• Prefer vertical scaling within a single node rather than managing very large clusters.
• Offer high-frequency compute instances in cloud platforms or internal PaaS environments.
• Deploy edge servers or micro-datacenter nodes that must fit within tight power and space envelopes.

Summary
The AMD EPYC 4564P is a specialized but highly relevant processor for modern, latency-sensitive workloads. It combines server-grade reliability, ECC memory support and PCIe 5.0 connectivity with extremely high clock speeds and strong single-threaded performance. For trading systems, high-performance web services, microservice platforms, JVM-based stacks and real-time data pipelines that cannot efficiently exploit very high core counts, the EPYC 4564P offers a compelling balance of performance, efficiency and simplicity in a single-socket design.