Tuesday, 13 November, 2018

AMD unveils 64-core Zen 2 CPU, first 7nm GPU

AMD EPYC 'Rome': Zen 2 on 7nm, 64C/128T of CPU power AMD shows Zen 2-based 7nm EPYC Rome CPU in action
Priscilla Morrison | 07 November, 2018, 17:23

They will not only be the first Zen 2-based product, but they are being built using an all-new design implementation.

Building on the success of first-gen "Naples" Epyc CPUs, AMD will introduce the second generation, codenamed "Rome", in 2019.

'Legacy GPU architectures limit IT managers from effectively addressing the constantly evolving demands of processing and analysing huge datasets for modern cloud data centre workloads, ' claims David Wang, senior vice president of engineering at AMD's Radeon Technologies Group. 'Combining world-class performance and a flexible architecture with a robust software platform and the industry's leading-edge ROCm open software ecosystem, the new AMD Radeon Instinct accelerators provide the critical components needed to solve the most hard cloud computing challenges today and into the future. The CPU chips which are called chiplets by AMD are connected to the I/O die through an "enhanced version" of the company's Infinity Fabric interconnect link.

At the same event, AMD chief executive Dr. Lisa Su unveiled the company's next-generation CPU microarchitecture: Zen 2.

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According to revealed specifications, the 7nm EPYC Rome datacenter CPU will pack up to 64 Zen 2 cores with 128-threads, offer increased instructions-per-cycle, as well as bring leadership in compute, I/O, and memory bandwidth. When it comes to floating point per socket performance, it's a big 4x leap over the previous generation EPYC processor.

7nm Rome CPUs are now sampling to AMD's customers and clients.

While the company still did not reveal any specific clock details, due to the fact that the CPU is still in prototype phase, it did reveal some specific details, like the fact that this is the first PCIe 4.0 capable x86 server CPU, which both brings double the bandwidth/channel, as well as dramatically improves accelerator performance on the entire platform.

We have 2x performance per socket compared to the previous-gen EPYC processor, and this is an insane leap in performance.

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