AMD EPYC 9004 Processors
AMD EPYC 9004 processors offer up to 128 cores and are suitable for virtualisation, databases, AI, HPC, and enterprise servers.
AMD EPYC 9004 CPUs for Professional Servers
Depending on the model, AMD EPYC 9004 processors are based on the Zen 4 or Zen 4c architecture and were developed for modern data centres. With up to 128 cores, twelve DDR5 memory channels, and 128 PCIe 5.0 lanes, the CPUs are suitable for virtualisation, cloud computing, databases, AI, and high-performance computing.
Which AMD EPYC 9004 CPU Is Right for Me?
Depending on the application, the requirements for core count, clock speed, and cache differ. The following overview will help you find the right AMD EPYC 9004 CPU for your intended use.
| Application | Recommended AMD EPYC 9004 CPUs |
|---|---|
| Cloud & Virtualisation | EPYC 9754, EPYC 9654, EPYC 9554 |
| AI & Machine Learning | EPYC 9754, EPYC 9654, EPYC 9474F |
| HPC & Simulations | EPYC 9684X, EPYC 9474F, EPYC 9374F |
| Databases & Analytics | EPYC 9684X, EPYC 9654, EPYC 9554 |
| Web, Application & Enterprise Servers | EPYC 9454, EPYC 9354P, EPYC 9254 |
| Entry-Level, Storage, and Infrastructure Software | EPYC 9124, EPYC 9224 |
The right CPU primarily depends on the number of parallel workloads, the required clock speeds, and the memory capacity. Single-socket systems benefit from the P models, while dual-socket configurations enable maximum scalability for large server environments.
The Different Suffixes of EPYC 9004 CPUs
P Suffix
AMD EPYC processors with the P suffix are designed for single-socket servers. They offer the performance and features of the EPYC platform, but only support operation with a single CPU.
F Suffix
AMD EPYC processors with the F suffix are optimised for high per-core performance. Thanks to higher clock speeds, they are particularly suitable for databases, EDA software, technical simulations, and other applications where single-core performance is crucial.
AMD EPYC X Processors with 3D V-Cache
AMD EPYC processors with the X suffix feature additional AMD 3D V-Cache. The significantly larger L3 cache improves performance in cache-intensive applications where large amounts of data need to be processed as quickly as possible.
This particularly benefits technical simulations, finite element analysis (FEA), computational fluid dynamics (CFD), electronic design automation (EDA), scientific computing, and other high-performance computing workloads.
Zen 4 or Zen 4c – What Is the Difference?
Depending on the model, the AMD EPYC 9004 series uses Zen 4 or Zen 4c cores. Both architectures support the same platform features, including DDR5 ECC RDIMM, PCIe 5.0, and the SP5 socket. The main difference lies in core density and the respective field of application.
Zen 4 processors offer a balanced combination of high multi-core performance and strong per-core performance. Zen 4c models, by contrast, focus on particularly high core density and are optimised for highly parallelised workloads.
- High core density (Zen 4c): Cloud computing, virtualisation, container platforms, microservices, and hosting environments with many parallel workloads.
- Versatile multi-core performance (Zen 4): Databases, enterprise applications, web and application servers, AI inference, rendering, and high-performance computing (HPC).
- High per-core performance (F models): Databases with high per-core utilisation, EDA software, CAD/CAE applications, technical simulations, and other applications with limited parallelisation.
Platform and Compatibility of AMD EPYC 9004 CPUs
Socket & Motherboard
AMD EPYC 9004 processors use the SP5 socket and are installed on compatible SP5 server motherboards. Depending on the motherboard, a BIOS update may be required before use.
Memory
Only DDR5 ECC RDIMM is supported. Each processor provides twelve memory channels and supports up to 6 TB of memory.
Graphics Cards
AMD EPYC 9004 processors provide PCIe 5.0 for professional NVIDIA RTX PRO, AMD Radeon AI PRO, and NVIDIA RTX graphics cards. This makes them suitable for AI, rendering, GPU computing, and other professional workloads.
CPU Cooler
Compatible SP5 CPU coolers are required for the SP5 socket. Make sure the cooler is designed for the TDP of the respective processor.
AMD EPYC 9004 or AMD EPYC 9005?
AMD EPYC 9004 and AMD EPYC 9005 both use the SP5 socket and support DDR5 ECC RDIMM as well as PCIe 5.0. The main difference lies in the architecture and maximum core count. While EPYC 9004 uses Zen 4 and Zen 4c with up to 128 cores, EPYC 9005 is based on the newer Zen 5 and Zen 5c architecture and offers up to 192 cores, depending on the model.
For virtualisation, databases, enterprise applications, and many HPC workloads, EPYC 9004 continues to offer high compute performance and often represents an economically attractive alternative to the latest processor generation. Users who require maximum core counts and the highest performance for demanding AI, cloud, or HPC applications benefit from the advancements of the EPYC 9005 series.
FAQ – AMD EPYC 9004 Processors
Which Architecture Do AMD EPYC 9004 Processors Use?
Depending on the model, AMD EPYC 9004 processors feature Zen 4 or Zen 4c cores. Zen 4 models offer high per-core performance for databases, AI, and HPC, while Zen 4c models are particularly suitable for cloud computing, virtualisation, and container workloads thanks to their higher core density.
Which AMD EPYC 9004 CPU Is Suitable for Virtualisation?
AMD EPYC 9004 processors with a high number of compute cores are particularly suitable for virtualisation and cloud environments. Models with the Zen 4c architecture enable particularly high VM density and are optimised for highly parallelised server workloads.
What Advantages Do AMD EPYC 9004 X Processors Offer?
AMD EPYC processors with the X suffix feature additional AMD 3D V-Cache. The larger L3 cache can improve performance in technical simulations, EDA, CFD, and FEA applications, as well as other high-performance computing workloads.
Which Memory Do AMD EPYC 9004 Processors Support?
AMD EPYC 9004 CPUs exclusively support DDR5 ECC Registered DIMMs (RDIMM). Each processor provides twelve memory channels and supports up to 6 TB of memory.
Which Graphics Cards Are Compatible with AMD EPYC 9004 Processors?
AMD EPYC 9004 processors support professional NVIDIA RTX PRO, AMD Radeon PRO, and NVIDIA RTX graphics cards via PCIe 5.0. This makes them suitable for AI, GPU computing, rendering, and other professional workloads.
Which CPU Cooling Do I Need for an AMD EPYC 9004 Processor?
AMD EPYC 9004 processors use the SP5 socket and require a compatible SP5 CPU cooler. Depending on the model, the TDP ranges from 200 to 400 watts. The cooler should therefore be designed for the power consumption of the respective CPU to ensure reliable cooling even under sustained high loads.
Which Power Supply Is Suitable for a Server with AMD EPYC 9004?
The required power supply capacity depends on the complete server configuration. In addition to the processor, graphics cards, memory, drives, and other expansion cards should also be considered. A powerful power supply with sufficient performance reserves is recommended for systems with professional GPUs.
What Is the Difference Between AMD EPYC 9004 and AMD EPYC 9005?
AMD EPYC 9004 processors are based on the Zen 4 or Zen 4c architecture and offer up to 128 cores. The newer EPYC 9005 series uses Zen 5 and Zen 5c, reaches up to 192 cores, and offers higher compute performance depending on the model. Both generations support the SP5 socket, DDR5 ECC RDIMM, and PCIe 5.0.
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