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AMD EPYC 9004 Series

# AMD EPYC 9004 Series

Overview

The AMD EPYC 9004 Series represents the fourth generation of AMD’s high-performance processors designed for the data center and cloud computing environments. Launched in late 2023, these processors build upon the success of previous EPYC generations, offering significant improvements in core counts, memory bandwidth, and overall performance. The “Genoa” architecture, as it’s codenamed, marks a pivotal shift for AMD, adopting the Zen 4 core design, moving to a chiplet-based multi-die design, and introducing support for the latest memory and interconnect technologies. This series is a direct competitor to Intel’s Xeon Scalable processors and aims to provide a compelling alternative for demanding workloads like high-performance computing (HPC), virtualization, database management, and artificial intelligence (AI). This article will provide a detailed technical overview of the AMD EPYC 9004 Series, covering its specifications, use cases, performance characteristics, and a balanced assessment of its pros and cons. Understanding these features is crucial for anyone considering a new Dedicated Server or upgrading existing infrastructure. The EPYC 9004 series targets a broad range of applications, from small businesses to large enterprise deployments, and even specialized applications requiring maximum processing power. These processors are redefining what's possible in the modern data center. The move to Zen 4 brings significant Instruction Per Clock (IPC) gains and architectural enhancements that translate into substantial performance increases over prior generations.

Specifications

The AMD EPYC 9004 Series processors are characterized by their high core counts, large cache sizes, and support for cutting-edge technologies. They utilize a chiplet-based design, combining multiple CPU dies (CCD) on a single package. The processors support the SP5 socket, requiring a new motherboard infrastructure compared to previous EPYC generations. Here's a breakdown of key specifications, with a focus on the top-tier models.

Processor Model Core Count Thread Count Base Clock (GHz) Boost Clock (GHz) Total Cache (MB) TDP (Watts) Memory Channels Max Memory (TB)
EPYC 9654 96 192 2.4 3.7 384 360 12 6
EPYC 9634 88 176 2.6 3.8 352 320 12 6
EPYC 9554 72 144 2.8 4.0 320 320 12 6
EPYC 9454 64 128 3.0 4.2 256 300 12 6


The EPYC 9004 Series also boasts significant improvements in memory support. Each processor supports 12 channels of DDR5 ECC Registered memory, enabling exceptional memory bandwidth. This is particularly important for memory-intensive workloads such as in-memory databases and scientific simulations. The support for up to 6TB of memory per socket allows for handling extremely large datasets. Furthermore, the integrated AMD Infinity Fabric provides a high-speed, low-latency interconnect between the CPU dies and other components. The adoption of PCIe 5.0 provides significantly increased bandwidth for GPUs, network adapters, and storage devices. Understanding Memory Specifications is paramount when configuring a server using these processors.

Use Cases

The AMD EPYC 9004 Series is well-suited for a wide variety of demanding applications. Here are some key use cases:

⚠️ *Note: All benchmark scores are approximate and may vary based on configuration. Server availability subject to stock.* ⚠️

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