Genoa-X: a deeper dive into AMD’s new EPYC processors optimized for technical computing

AMD has introduced its EPYC 9X84X series processors, formerly codenamed Genoa-X. The new CPUs are designed specifically for technical workloads, and they support up to 1.1GB of L3 Cache.

  • June 19, 2023 | Author: Peter Krass
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AMD is responding to greater specialization in the data center by creating workload-optimized versions of its 4th gen EPYC server processors.

That now includes the AMD EPYC 9x84X series processors, formerly codenamed Genoa-X.

These new CPUs are optimized for technical computing workloads. Those include engineering simulation, product design, structural design, aerodynamics modeling and electronic design automation (EDA).

Big cache

A key feature of the new AMD EPYC 9x84X processors is the new 2nd generation of AMD’s 3D V-Cache technology. It supports more than 1GB of L3 Cache on a 96-core CPU. The larger cache can feed the CPU faster with data needed for large and complex simulations.

Speaking at AMD’s Data Center and AI Technology Premier earlier this month, Dan McNamara, GM of AMD’s server business, said this will deliver a “new dimension” of workload optimization. This will help users get to market faster with higher-quality products while also reducing their OpEx budgets, he added.

The new AMD EPYC 9x84X processors also use the new AMD Zen 4c cores, the company’s new EPYC processors optimized for cloud-native workloads. The 94X8X CPUs are also socket-compatible with earlier Genoa processors. And they offer security protection with AMD Infinity Guard, the company’s suite of hardware-level security features.

It’s worth noting that AMD last year introduced a similar optimization for its Milan series processors. Those processors were code-named Milan-X.

Total ecosystem

To create a complete technical-computing environment, AMD has been working closely with developers of highly technical software. These partners include Altair, Ansys, Cadence, Dassault Systemes, Siemens and Synopsys.

Hardware partners are jumping in, too. Supermicro recently announced that its entire line of Supermicro H13 AMD-based systems now support 4th gen AMD EPYC processors with AMD 3D V-cache technology.

As this table shows, courtesy of AMD, the AMD EPYC 9x84X series now comes in 3 SKUs:

In addition, all 3 SKUs support both DDR5 memory and PCIe 5.0 connectivity.

The new AMD EPYC 9x84X processors are available now. OEM systems based on these processors are expected to start shipping in the third quarter.

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