http://www.amd.com/en-us/innovations/software-technologies/dx12
DirectX 12-Ready AMD Components
Once you’ve installed Windows® 10 Technical Preview Build 10041 (or later) and obtained the latest driver from Windows Update, these AMD components are DirectX® 12-ready:
AMD Radeon™ R9 Series graphics
AMD Radeon™ R7 Series graphics
AMD Radeon™ R5 240 graphics
AMD Radeon™ HD 8000 Series graphics for OEM systems (HD 8570 and up)
AMD Radeon™ HD 8000M Series graphics for notebooks
AMD Radeon™ HD 7000 Series graphics (HD 7730 and up)
AMD Radeon™ HD 7000M Series graphics for notebooks (HD 7730M and up)
AMD A4/A6/A8/A10-7000 Series APUs (codenamed “Kaveri”)
AMD A6/A8/A10 PRO-7000 Series APUs (codenamed “Kaveri”)
AMD E1/A4/A10 Micro-6000 Series APUs (codenamed “Mullins”)
AMD E1/E2/A4/A6/A8-6000 Series APUs (codenamed “Beema”)