Port Royale 4 will require Radeon RX 580 4GB graphics card with a Core i5-7600 3.5GHz or Ryzen 5 2400G processor to reach the recommended specs, achieving high graphics setting on 1080p. System memory required for Port Royale 4 is 16 GB performance memory. Taking a look at the min reqs you will require a Radeon HD 7970 graphics card with a Core i5-2400S 2.5GHz or FX-4100 processor to reach the minimum Port Royale 4 specs, run on low graphics setting and 720p. Don't try and play Port Royale 4 without 8 GB, which helps get the 30FPS Another thing to consider is the DirectX capability of your GPU. Port Royale 4 needs a GPU capable of running DirectX 11.00. Recommended needs around a 7 year old PC to run.