Azure SQL Database Gen 4 hardware approaching end of life in 2020

Azure SQL Database is beginning the decommissioning process of Gen 4 Intel E5-2673 v3 (Haswell)-based CPUs and is transitioning to Intel E5-2673 v4 (Broadwell) 2.3 GHz and Intel SP8160 (Skylake) processors for all new deployments.
Source: Microsoft Azure – aggiornamenti