Unfortunately, your hardware specs are below the Esri's recommended requirements. ArcGIS Pro 1.4 system requirements—ArcGIS Pro | ArcGIS Desktop I'm running the latest 1.4.1 at home and it runs smooth; Intel i7 5820K 6 Core 3.3GHz 32GB RAM 512GB SSD Radeon R9 290 / 4GB RAM I would recommend using Pro if the hardware specs meet the Esri's recommended requirements.
... View more