UTBB FD-SOI technology has become mainstream within STMicroelectronics, with the objective to serve a wide spectrum of mobile multimedia products. This breakthrough technology brings a significant improvement in terms of performance and power saving, complemented by an excellent responsiveness to power management design techniques for energy efficiency optimization. The symbiosis between process and design is key in this achievement enabling to provide already at 28nm node a real differentiation in terms of flexibility, cost and energy efficiency with respect to any process available on the market.