Seems only Maxwell(v2) supports it fully. Including DX11.3.
GCN is still reported as featurelevel 11.1 for GCN 1.0, 1.1 and 1.2. Kepler and Fermi is 11.0, Haswell 11.1 and Broadwell 11.2. Maxwell(v1 - 750/750TI)) I dont know.
Why do you keep repeating this over and over again. You know better than the manufacturer?
"Based on preliminary DirectX 12 specifications as of July, 2014, AMD’s GCN-based products are expected to support DirectX 12 upon its release."
http://www.amd.com/en-us/products/graphics/desktop/r9#
Until DX12 and Windows 10 comes out, and are tested by professionals, you cannot conclusively state that GCN or Kepler won't support DX12. Otherwise, you keep repeating your opinion which contradicts what even the manufacturer states.
Do you remember before DX11 came what kind of hardware was around?
Even the 5870, the first DX11 GPU became really useless for many DX11 games. Its going to take a few years for DX12 to hit mainstream in many games. By that time, hardware today = obsolete so it doesn't matter.
This. Even after Windows 10 comes out, the adoption will take years and developers are unlikely to start making DX12 games from the ground-up, alienating 99% of PC gaming rigs. It'll be a long time before DX12 starts to matter at which point all the cards today will be slow. Some of the games being made for 2015-2016 are being worked on right now. and they have no choice but to make them in DX11. It's highly likely that there will be newer engine upgrades to DICE and CryEngine with DX12, etc. With the biggest draw of DX12 being a reduction in the CPU overhead, chances are a powerful overclocked i5/i7 4790K/5820K system is going to benefit a lot less from DX12 than something like an FX9370.
That's obviously true if you don't want to turn down any settings.
But for people not upgrading that often, having the newer DirectX version is undeniably more "future proof". There have been more and more games that won't run on DX10/10.1 GPUs but will still run on DX11 GPUs with comparable power (for example HD 5770 vs 4870, GTS 450 vs GTX 260)
That's not the same at all since MS stated that DX12 is backwards compatible with all DX11 videocards.
"While we are not yet ready to detail everything related to DirectX 12, we can share that we are working closely with all of our hardware partners to help ensure that most modern PC gaming hardware will work well with DirectX 12, including; NVIDIA's Maxwell, Kepler and Fermi-based GPUs, Intel's 4th generation (and newer) Core processors and AMD's Graphics Core Next (GCN) based GPUs."
http://www.gamespot.com/articles/new-graphics-cards-not-essential-for-directx-12/1100-6424846/
You do not need to worry with any of those GPUs that you'll fire up a DX12 game and it will say "hardware not supported" unless the developers incorporates such GPU demanding features in the game that only DX12 modern cards would be powerful enough to run the game in the first place. So in essence it's possible that current gen DX11 cards won't be supported by virtue of being too slow. It's expected that in 5 years or something you will probably see DX12 videocard in the minimum specs simply because DX12 will be ubiquitous.
but I agree trying to "future proof" around DX versions doesn't seem like it's worthwhile because the horsepower probably won't be there to crank all the details anyway.
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