Mar 11, 2017 08:02 AM EST
AMD's forthcoming Radeon RX Vega graphics cards appear to be nearing its retail release, as a Vega-based GPU recently appeared on CompuBench. CompuBench database lists new device ID (687F:C1), which is more commonly known as Vega GPU.
The listing using the AMD 687F:C1 device ID is the same ID we saw back in January during the Doom 4K Ultra demo and the fact is that Vega has finally made its way to CompuBench means that we are the very end of the development process.
According to the listing, the AMD Vega chip has 64 Compute Units. In AMD's Graphics Core Next design, the company groups 64 stream processors into one computer unit, therefore the forthcoming Vega chip will have 4,096 stream processors. For the uninitiated, stream processors don't work like CPU cores, however together they can only handle one function at a time.
CompuBench says that the device reports 64 OpenCL compute units running at possible maximum clock frequencies of 1000 MHz or 1200 MHz. If a Vega NCU continues the GCN tradition of having 64 stream processors per unit then this would indicate a 4096-SP chip with 8.2 TFLOPS of raw computing performance at 1000 MHz, or 9.8 TFLOPS at 1200 MHz, as per TechReport.
However, these figures are a bit higher than the Nvidia GTX 1070's 6.5 TFLOPS and the GTX 1080's 8.9 TFLOPS by our calculations. While TFLOPS aren't a perfect approximation of originally delivered performance, but they do mesh with my impressions of how an RX Vega performs in the forms AMD has demonstrated thus far.
AMD Vega will have geometry pipeline, the compute engine, the pixel engine, a high-bandwidth cache controller, high-bandwidth cache, L2 cache, and three units of L1 cache. The card is slated to release in the second quarter of 2017, although they could arrive before the end of March.
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