AMD Unveils 7nm CPU, GPU At 'Next Horizon' Event

Alfred Osborne
November 8, 2018

One of the strengths across all of the Zen and Zen+ processors from AMD has been their use of Infinity Fabric, allowing a single die to be connected with others for different products. With PCIe 4.0 capability it is capable of a 64 GB/s bidirectional connection to the CPU and with Infinity Fabric Links it has 100 GB/s per-link bandwidth between GPUs.

"The powerful combination of cores, memory bandwidth and I/O on AMD EPYC processors create a highly differentiated solution that can offer lower TCO for our customers and lower prices for the end-user". This is a insane achievement for AMD, and really sets a new standard for compute performance. When it comes to floating point per socket performance, it's a big 4x leap over the previous generation EPYC processor.

Key to this better performance is AMD's choice to manufacture Rome on TSMC's 7nm process technology, which gave chip designers a larger transistor budget, while also offering increased performance and performance per watt. Working under the codename Rome, the chip is claimed to offer considerable improvements in instructions-per-clock (IPC), the addition of PCI Express 4.0 connectivity, and a claimed doubling of performance-per-socket for traditional compute and quadrupling for floating-point operations compared to current-generation Epyc chips while retaining socket compatibility.

What's not known is how much of the Rome DNA will make it into the consumer Ryzen 2 due early next year.

AMD has made good on its promise to reveal more information about its upcoming products, announcing that it will release its first graphics products based on a 7nm process node by the end of the year - but for data centre customers, not gamers, before you get too excited - while also unveiling the Zen 2 microarchitecture that will power its processors in 2019. "As important, on higher-threaded applications, I am expecting improved scaling with more cores".

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As opposed to the first generation's multi-chip design, Zen 2 uses a so-called "chiplet" design, which is very modular and delivers improved latency and thus performance.

Why this matters: Ryzen marked AMD's comeback in consumer CPUs, so expectations are high for the second generation.

AMD is now sampling EPYC "Rome" chips with customers, with the chips expected to launch sometime in 2019.

Closeup of AMD's Rome processor, courtesy Tom's Hardware.

AMD also unveiled its next-gen 7nm EPYC server processor, codenamed Rome.

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