 It makes the compiler simpler and should also lead to better utilization.GCN graphics chips are fabricated with CMOS at 28 nm, and with FinFET at 14 nm (by Samsung Electronics and GlobalFoundries) and 7 nm (by TSMC), available on selected models in the Radeon HD 7000, HD 8000, 200, 300, 400, 500 and Vega series of AMD Radeon graphics cards, including the separately released Radeon VII.GCN is also used in the graphics portion of AMD Accelerated Processing Units (APU), such as in the PlayStation 4 and Xbox One APUs.