Today at GDC, Google announced its Stadia game streaming service, which promises to deliver high performance gaming to PCs that would otherwise not be able to game. In a great piece of news for Team Red, Google decided to go with a custom Vega-based AMD GPU.
According to Google, the Vega GPU will have 56 compute units that provide 10.7 TFLOPs of performance, which is similar to a Vega 56 desktop GPU. Google also revealed the GPU provides almost 500 GB/s of memory bandwidth, which is equal to the bandwidth of the Vega 64, and notably faster than the Vega 56.
Google also revealed that the Stadia instances feature a custom CPU that operates at 2.7 GHz and comes armed with 9.5MB of combined L2 and L3 cache, hyperthreading, and support for AVX2 instructions. The “hyperthreading” moniker implies this is a custom Intel CPU, but there’s also a distinct possibility the custom silicon is a souped-up AMD CPU. The combined L2 and L3 cache capacity also implies this is an Intel processor, but notably, Intel is missing from the list of Google’s partners. AMD’s processors come with much more L3 cache than Intel’s models, but it is possible the processor could also come with the new Zen 2 microarchitecture that will debut with the Ryzen 3000-series processors.
Image credits: Google
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