At their Capsaicin and Cream event on GDC, AMD has detailed several new features of their next generation Radeon RX Vega GPU. Vega HBCC, short for High-Bandwidth Cache Controller, will be one of those features that will allow developers to utilize 100% of the memory and cache systems on board brand-new GPUs.

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Radeon RX Vega HBCC To Halve Memory Requirements

During the livestream, Radeon Technologies Group’s Senior Vice President and Chief Architect Raja Koduri showed a case for AMD’s upcoming High Bandwidth Cache Controller (HBCC) which is part of the Vega architecture. The new HBCC tech promises to increase game performance tangibly with the same resources.

According to AMD, the HBCC-enabled system delivers the same or better performance through its better memory management and bandwidth speeds. The Vega HBCC apparently halves memory requirements, and to show this, the company gave a side by side demo of Deus Ex: Mankind Divided running with and without HBCC.

AMD deliberately capped the amount of addressable memory on an HBCC-aware system to only 2GB versus 4GB addressable by the non-HBCC-aware system. The HBCC-aware system purportedly output gains of up to 50% average FPS and 100% minimum FPS than the other non-HBCC-aware system.

If the results are what AMD says, Vega should benefit from implementations of lower amounts of video memory, which should in turn reduce production costs and overall end-user pricing.

What to Expect from Radeon RX Vega Graphics Cards

AMD Vega architecture will be built using the latest 14nm process technology that will offer a significant boost in terms of performance and efficiency. Vega GPUs will be offered in two variants, the Vega 10 and Vega 11.

Vega 10 will be the bigger of the two. Early calculations reveal it will span a die size of over 500mm2, featuring two HBM2 stacks, with up to 16 GB of memory. Based on the Next Compute Engine (NCU) design, the Vega graphics card will sport 64 Compute Engines, or 4096 stream processors.

In terms of performance, Vega 10 GPU is set to take on Nvidia’s GeForce GTX 1080 as well as the upcoming GP102-based GTX 1080 Ti. We’ve already seen the GPU in action, beating the GTX 1080 by 10% whilst running on ordinary 300 series Fury drivers.

There’s not much we know about the smaller Vega 11 chip, except that it will effectively replace the current Polaris 10 and deliver GTX 1070 levels of performance.

AMD’s high-end Vega 10 based graphics cards will be available to consumers in the first half of 2017.