AMD EPYC Server Chips Everything You Need To Know

AMD EPYC Server Chips

Advanced Micro Device has officially introduced its new Epyc server chips to its CPU family. The fight between AMD EPYC Server chips and Intel Xenon product line just started. These EPYC chips are built on the same fundamental architecture as the Ryzen CPU cores. These processors are aimed at the incredibly powerful data center market.

AMD EPYC Server Chips 7000-series features:

  • Eight DDR4 channels per CPU
  • Up to 2TB RAM per CPU
  • 128 PCIe lanes
  • Dedicated security subsystem
  • Up to 32 high-performance “Zen” cores
  • Socket compatible with next-gen EPYC processors

AMD EPYC Server Processor

AMD uses Infinity Fabric for both die-to-die and socket-to-socket interconnect for 32-core / 64-thread Epyc CPUs. According to AMD, this method is significantly cheaper than striving to pack 32 cores into a single monolithic die.

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According to Anandtech, The Infinity Fabric is deliberately over-provisioned to minimize any problems with non-NUMA aware software.

amd epyc

AMD has outline EPYC to allow for “no compromise” single-socket systems with no artificial limitations placed on performance. Each 32-core Epyc CPU will support eight memory channels and two DIMMs per channel, for a total maximum memory capacity of 2TB per socket, or 4TB of RAM in a two-socket system.

EPYC offer a far better bang-per-buck compared to Intel Xeon Broadwell servers in both single- and dual-socket configurations across all price points. AMD EPYC Server Chips also features built-in hardware memory encryption specifically designed to protect virtual machines and containers from each other.

Anandtech has a large write-up with more details on the CPUs power efficiency and TDP scaling, so check there if you want a more in-depth overview.



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