Got some salt handy? Good. Videocardz.com is reporting that it's obtained information leaked from an internal GPU roadmap at AMD describing the Vega 10 and Vega 11 GPUs we have heard about before, as well as a new Vega 20 processor. The site says Vega 10 will be released in the first quarter of 2017, crushing the October date that's been rumored before.
According to the leaked information, Vega 10 might be a new revision of GCN based on a 14-nm process, this time around with 64 compute units. This ought to give it the same 4096 shader processors as the Fiji processor used in the Fury X. Vega 10 will purportedly use 16GB of HBM2 memory, resulting in a potential 512GB/sec of memory bandwidth. Videocardz' source claims that the total board power is expected to be around 225W.
Videocardz also says that Vega 10 will be able to perform up to 24 TFLOPs in 16-bit mode. The emphasis on 16-bit compute is interesting, and parallels Nvidia's recent design decisions. One can speculate that the next revision of GCN has improved provisions for half-precision floating-point compute performance, which in turn would indicate that AMD has its eyes on the deep learning market that Nvidia has been courting.
The site also talks about products after Vega 10. At some point next year, Vega 11 will supposedly be replacing the Polaris 10 chip found in the Radeon RX 480. We knew about Vega 11, but perhaps the most surprising bit of gristle in this rumor is the existence of a "Vega 20" processor. Based on the rumor, that chip looks like a die-shrink of Vega 10 with 32GB of HBM2 memory and PCIe 4.0 support. The site says total board power should be around 150W.
Finally, Videocardz' rumors also claim that the Navi chips, which we have only seen vaguely listed for 2018 on roadmaps, have been pushed back to 2019. This implies that AMD intends to let Vega carry its GPU lineup through 2017 and 2018, at least according to the rumor mill. As always, take these rumors with a whole bucket of salt, though Videocardz has been right before.
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