AMD Vega 10 and Vega 20 Specs Leaked – 12 TF of Raw Power, 32GB HBM2 Memory, 7nm Version & More

Just yesterday, VideoCardz posted a short article claiming that a reliable source told them about the AMD Vega specs. According to the report, both 14nm and 7nm Vega versions are in works which include Vega 10, Vega 20 and Vega 11 GPUs.

AMD has already announced during an investors event held recently, that its next generation Vega architecture is set to launch in the first half of 2017. They didn’t reveal any further details except that Vega will offer a significant Performance/Watt improvement over the current Polaris architecture, but the post over at VCZ is chock full of rumored specs for the new architecture.

The AMD Vega 10 is likely what we will see first in the first quarter of 2017. It will have 64 compute units, and 24 TFLOPs of 16-bit compute power, or 12 TF of raw power. The GPU will be based on the 14nm GFX9 architecture, and feature 16GB of HBM2 memory, with up to 512GB/s bandwidth. The expected TDP is around 225W.

It’s worth noting that HBM2 here seems to be clocked at half the bandwidth that is normally available to HBM Gen 2.o memory chips. But the big deal here is the 12 TFLOPs of raw computing performance. That’s because AMD cards are usually high in TeraFLOPs but they score lower than Nvidia cards at similar level. That may change however, with this new architecture and we could be blown away by performance on par with the Pascal Titan X.


Another GPU that they’ve been talking about is the Vega 20 that we’ve never heard of today. It will use the 7nm GFX9 architecture, and have 64 compute units with 32GB of HBM2 memory running full-cylinders at 1 TB/s of bandwidth. TDP is rated at around 150W with PCI-Express 4.0 support.

A GPU offering 32GB of HBM2 at just 150W seems almost unfeasible. We know that at most a single die can only have four stacks of HBM2 which all max out at 4GB each. In this case, we’re seeing 32GB which implies two dies on a single Vega 20 GPU. But this at 150 watts, it makes 7nm FinFET a godsend for efficiency, I don’t know.

This seems to be an early sample since AMD’s manufacturing partner GlobalFoundries has just announced their 7nm FinFET process as the next leading edge technology that they will deliver.

Lastly, we have the 14nm Vega 11 which will replace the Polaris 10 this coming year. The report has not detailed specs for this cut-down Vega, but it’s likely to offer slightly higher performance at vastly better wattage.

There’s even talk of a dual-GPU Vega design featuring a twin Vega 10 ASICs. It could appear in the second quarter of 2017 with 300W TDP. AMD will hold out for the next two years with Vega until it rolls out the Navi architecture some time in 2019.

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