AMD EPYC CPU Features Up to 32 Cores, 64 Threads Designed for Datacenter

By Jeff Harris, Posted: 05/17/17 02:47AM EDT

AMD has recently unveiled its next generation processors which will be called EPYC. This latest AMD processor is intended to redefine datacenter architecture. AMD EPYC processors are based on AMD Naples architecture which features up to 32 cores, 64 threads of massive power including its cache and I/O bandwidth.

As described by AMD in its release page, "EPYC is a fortress of strength, symmetry and fluid power, aligning hardware with the needs of software at the dawn of this new era in the datacenter. EPYC is constantly adapting, distributing workloads intelligently, recalibrating what's possible. Built for performance with logical autonomy, inherent efficiency, and Zen balance."

WCCFTech reported that AMD plans to release this next generation EPYC processors for datacenters later this quarter. Built on the same 14nm FinFET process node, EPYC processors based on the same Zen microarchitecture offers 45% more cores, 122% more bandwidth and 60% greater I/O bandwidth compared to its competitors. Plus, since it is powered by Zen, these EPYC processors are surely power efficient.

According to its initial features and specifications, EPYC processors are highly scalable, built on 32-core System on Chip (SoC) design, with support for two high-performance threads per core. This upcoming CPU also has support for up to 32 DIMMS of DDR4 on 16 memory channels which in turn can deliver up a total memory capacity of 4TB. In addition, EPYC processors are integrated with high-speed I/O that supports up to 128 lanes of PCIe 3.

To give some insights about the upcoming AMD EPYC processors, here is a comparison table versus AMD Ryzen:

Zen Cores 32 8
Threads 64 16
L1 Instruction Cache 32 KB x 32 32 KB x 8
L1 Data Cache 64 KB x 32 64 KB x 8
L2 Cache 512 KB x 32 512 KB x 8
L3 Cache TBD 16 MB
Base Clock 1.4 GHz Up To 3.6 GHz
Turbo Clock 2.8 GHz 4.0 GHz
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