WDDM is the default for most consumer GPUs because it is required for anything involving a screen.
For standard task workers, WDDM-based protocols are sufficient. For power users and creatives, TCC/PCoIP should be the mandatory standard to ensure user satisfaction and productivity. tcc wddm better
TCC mode bypasses the standard Windows graphics stack, significantly reducing kernel launch overhead and driver latency. WDDM is the default for most consumer GPUs