AMD details 7nm Zen 2 CPUs at Next Horizons event

Joanna Estrada
November 7, 2018

AMD has just announced the world's first 7nm GPU at its Next Horizon event in San Francisco, with the unveiling of the new Radeon Instinct MI60. For gamers, AMD's CEO, Lisa Su has confirmed early on at Computex that the 7nm GPU will be available to them eventually although the company has yet to reveal any related release timeline for consumer-level products at the time being.

The firm sees AMD gaining market share in data center CPU and GPU markets and thinks AMD's multi-chip module design approach is "more nimble and lower risk" than Intel's "monolithic die approach". This allows them to push the performance up 1.25x at the same power envelope, while consuming 50% lower power at the same frequency. But thanks to AMD's Infinity Fabric technology, four Radeon Instinct MI60 cards can be fitted into a single machine which can then be linked to another machine with another four of the GPUs. With a bump in memory clockspeed to 1GHz, AMD is touting a whopping 1TB/s of memory bandwidth in both the MI60 and MI50, with the former touting 32GB of HBM2 and the latter with 16GB. That translates to 64GB/s Bi-directional CPU-to-GPU bandwidth. The extra HBM2 stacks and memory bandwidth likely won't fix AMD's performance deficit, where the GTX 1080 Ti is about 40 percent faster than Vega 64, never mind the RTX 2080 Ti.

More specifically, AMD claims that the two new Instinct GPUs are "designed to deliver the compute performance required for next-generation deep learning, HPC, cloud computing and rendering applications". The company is still playing catch up with its close rival, NVIDIA though but the performance gap between Radeon Instinct MI60 and NVIDIA Tesla V100 is apparently quite small.

The Radeon Instinct MI60 packs 64 Compute Units, for a total of 4096 Stream Processors and offer a peak compute performance of up to 7.4 TFLOPS for FP64, up to 14.7 TFLOPS for FP32, up to 29.5 TFLOPS for FP16, up to 59.0 TOPS for INT8 and up to 118 TOPS for INT4.

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