Simply put: much more efficient hardware through smarter software! At the discretion of a game developer, this superior efficiency can be spent on higher framerates, lower latency (VR), lower power consumption, better image quality, or some calculated balance of all four. The low DX API overhead is going to work wonders in terms of CPU utilization and increased numbers of objects in a 3D scene thanks to that low overhead.
DX12 is going to be a massive improvement for PC gaming.
RADEON HD 7790 OPENGL 4.4 WINDOWS 10
With Windows 10 just around the corner there has been a lot of talk about DirectX 12 support for the AMD refresh graphics cards. The GPU architecture has remained the same though comparable towards the last-generation products, AMD still uses the 28nm process technology, the cards are PCIe gen 3 compatible and there have been significant changes on power consumption. The Radeon R9 390X has 2816 activated stream processors meaning it performs similarly to and is positioned against the GeForce GTX 980. Probably just one SKU will launch initially though.
RADEON HD 7790 OPENGL 4.4 PRO
We expect a liquid cooled version, and likely a lower clocked less specced Pro model with air-cooling of some sort. The one new chip is of course Fiji, it will get two SKUs, based on a Pro and XT GPU model.The 260 (Bonaire) is gonna be the 360 series. The Radeon R7 270 series (First Pitcairn (aka Radeon 7800 released three years ago) then called Curacao) will be the 370 series tagged as Tobago.Tonga/Antigua does offer Direct3D feature-level 12_0 support.
So, as you guys know AMD has been respinning their GPUs quite a bit, the oldest one is 3 years old, the Hawaii GPU as reviewed today actually already has been with us ever since late 2013, you know it as the GPU used in the Radeon R9 290 and 290X.
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