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AMD Epyc 4564P specifications and in-depth review

AMD Epyc 4564P

Manufacturer: AMD

The AMD Epyc 4564P is a 16-core processor aimed at the enterprise server segment, combining a refined 5nm semiconductor architecture with strong single-threaded and multi-threaded capabilities. With a turbo clock speed reaching 5.7GHz across its 16 cores and 32 threads, it is designed to handle demanding workloads where both core density and per-core performance matter. The chip carries a thermal design power rating of 170W and connects to the platform via PCIe 5.0, reflecting a modern feature set suited to current server infrastructure.

On the memory side, the Epyc 4564P supports DDR5 memory at speeds up to 5200MHz across two channels, and includes ECC memory support — an important consideration in server and workstation environments where data integrity is a priority. The cache hierarchy consists of 1024KB of L1 cache, 16MB of L2 cache at 1MB per core, and a substantial 64MB of L3 cache at 4MB per core. The processor implements a broad instruction set including AVX2, AES, FMA3, and SSE 4.2, and achieves a PassMark score of 65403 in multi-threaded testing alongside a single-core result of 4371. It does not include integrated graphics and ships with a locked clock multiplier.

Pros
  • ECC memory support ensures data integrity in server and workstation deployments where reliability is essential
  • PCIe 5.0 connectivity allows for use with current-generation expansion cards and NVMe storage devices
  • A 64MB L3 cache with 4MB per core provides substantial on-die storage to reduce memory access latency across concurrent workloads
  • DDR5 memory support with a maximum speed of 5200MHz enables fast data throughput across both memory channels
  • The turbo clock speed of 5.7GHz allows individual cores to reach high frequencies when workload demands it
  • A wide instruction set including AVX2, AES, and FMA3 covers vectorized computation, hardware encryption, and floating-point acceleration
Cons
  • No integrated graphics means a discrete GPU is required in any system build, adding hardware dependency
  • The locked clock multiplier removes any possibility of frequency tuning through that mechanism
  • With only two memory channels, bandwidth scaling is limited compared to platforms offering wider channel configurations
  • A 170W TDP requires careful thermal planning and adequate cooling infrastructure in server chassis deployments
Who is this for?

This processor is well-suited to server and workstation environments where data integrity and sustained multi-threaded throughput are priorities. ECC memory support makes it a practical fit for applications where silent data corruption must be avoided, such as database hosting, virtualization, or scientific computing. The combination of a large 64MB L3 cache, PCIe 5.0 connectivity, and a broad instruction set including AVX2 and AES also makes it a solid match for workloads involving encryption, vector processing, or fast storage access over high-bandwidth NVMe devices.

Who is this NOT for?

This processor is not well-suited to use cases that depend on integrated graphics, as no such capability is present — making it impractical for deployments where a discrete GPU is not available or cannot be accommodated. Users who require overclocking flexibility will also find it restrictive, since the clock multiplier is locked and cannot be adjusted. Additionally, its 170W TDP means it is a poor fit for compact, thermally constrained, or low-power environments where heat management is a limiting factor.

General info:

Thermal Design Power (TDP) 170W
semiconductor size 5 nm
PCI Express (PCIe) version 5
Supports 64-bit ✓
Has integrated graphics ✕

The AMD Epyc 4564P is built on a 5nm semiconductor process and carries a Thermal Design Power (TDP) of 170W, reflecting the power envelope expected for a processor of its class. It supports the PCIe 5.0 interface, enabling compatibility with current-generation expansion hardware and storage devices. The chip is fully 64-bit capable, while it does not include integrated graphics, meaning a discrete graphics solution is required in any deployment.

Performance:

CPU speed 16 x 4.5 GHz
CPU threads 32 threads
turbo clock speed 5.7GHz
L3 cache 64 MB
L1 cache 1024 KB
L2 cache 16 MB
L2 core 1 MB/core
clock multiplier 45
Has an unlocked multiplier ✕
L3 core 4 MB/core

The processor runs 16 cores at a base speed of 4.5GHz each, with 32 threads in total, and can reach a turbo clock speed of 5.7GHz under load. The clock multiplier is set at 45, and the multiplier is locked, so frequency adjustments through that mechanism are not available. Cache capacity is a notable aspect of this chip — it provides 1024KB of L1 cache, 16MB of L2 cache distributed at 1MB per core, and a 64MB L3 cache at 4MB per core, giving the processor a generous amount of fast on-die memory to reduce latency on frequently accessed data.

Memory:

Supports ECC memory ✓
DDR memory version 5
RAM speed (max) 5200 MHz
memory channels 2

The AMD Epyc 4564P supports DDR5 memory with a maximum RAM speed of 5200MHz, operating across two memory channels. It also includes support for ECC (Error-Correcting Code) memory, which allows the system to detect and correct common types of data corruption — a feature particularly relevant in server and workstation environments where memory reliability is critical.

Features:

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

The AMD Epyc 4564P supports a broad set of instruction extensions, including MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2, covering a range of workloads from floating-point and vector operations to hardware-accelerated encryption. The processor also includes the NX bit, a hardware-level security feature that helps prevent certain classes of malicious code execution by marking memory regions as non-executable.

Benchmarks:

PassMark result 65403
PassMark result (single) 4371

In PassMark testing, the AMD Epyc 4564P achieves a multi-threaded score of 65,403, reflecting its capacity to handle heavily parallelized workloads across its 16 cores and 32 threads. Its single-threaded PassMark result of 4,371 indicates the per-core processing capability available for tasks that rely on sequential execution rather than parallel throughput.

Final Verdict

The AMD Epyc 4564P is a well-specified enterprise processor that brings together a thoughtful mix of core performance and platform-level reliability. Its 64MB L3 cache combined with DDR5 and ECC memory support makes it a credible choice for server and workstation deployments where both throughput and data integrity carry real weight. The locked multiplier and absence of integrated graphics do narrow its applicability, and the 170W TDP demands a well-equipped thermal environment — but within the right infrastructure, the Epyc 4564P delivers a coherent and capable package for organizations running virtualization, encrypted workloads, or data-intensive applications.

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