For the gamer, SM6 means more realistic lighting, higher frame rates through better optimization, and the sophisticated AI upscaling techniques that define current-generation visuals. For the developer, it represents a mature, robust language that finally allows them to harness the full brute force of modern silicon.

SM6 isn't a static target; it has evolved through several sub-versions:

Here is a deep dive into the features that define Shader Model 6. 1. The Foundation: DXIL (DirectX Intermediate Language)