Microsoft showed off a new DirectX 12 graphics demos today during Build 2015 that showed how the new graphics API that's included in Windows 10 could be used to increase frame rates in games



From Windows Central:

The demo showed a boost in game frame rates used Epic Games' Unreal Engine 4 with a new and experimental feature called heterogeneous multiadapter, which allows a PC running the engine with DirectX 12 to split the rendering workload between an NVIDIA graphics card and Intel's integrated graphics chip.

  New DirectX 12 demos show off increased game frame rates and realistic details