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

08 November, 2018, 23:51 | Author: Sammy Rose
  • AMD shows Zen 2-based 7nm EPYC Rome CPU in action

These EPYC "Rome" CPUs are now being sampled by AMD with server manufacturers and customers. '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. Now pushing up to 64 cores/128 threads, up from the 32 cores/64 threads of the previous gen "Naples" EPYC CPUs.

The roadmap for Zen began with the first design in 2016. Earlier this year, the half-generational refresh dubbed Zen+ debuted, complete with its 12nm process found in the second-gen Threadripper CPUs unveiled in August. With a focus on Epyc chips for servers, AMD now hopes to surpass the performance of its competitor Intel rather than just match it. So the company has been stuck adding ++++ optimizations to their 14nm line which has remained relatively the same for a while now. AMD is also restructuring the Zen architecture for better memory latency, bandwidth support, and improved instruction implementation. Although the former isn't of much interest to us since the announced-so-far Vega graphics chips won't be made available to consumers, the CPU news is much more pressing as it furthers rumors that AMD's next-generation architecture will make it not only competitive with Intel on cost, but on overall raw power too.

AMD's multiyear investments in data center hardware and software are behind growing adoption of the company's CPUs and GPUs, said Lisa Su, AMD's president and CEO. In addition, AMD has increased the number of encryption keys for virtualizations to increase support for virtual machines. For instance, they can double chip density by two while halving the power consumption.

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AMD will be using a new design approach for the EPYC "Rome" CPU. The GPU, meanwhile, is claimed to be the world's fastest double-precision accelerator, with the MI60 incarnation offering 7.4 teraflops of peak 64-bit floating point performance and the MI50 up to 6.7 teraflops.

AMD is looking to stay with 7nm for a while, up at least until Zen 3 in 2020.

Intel's long-delayed 10nm manufacturing process still has no specific launch date, with the company still using a 14nm process that's been refined numerous times, stretching all the way back to its "Broadwell" CPUs launched in 2014.

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