You need a Core i3-2100 3.1GHz or Phenom II X4 910e processor coupled with a GeForce GTX 660 to run Infernal Radiation system requirements at recommended. You can expect to get around 60FPS at 1080p screen res on high graphics settings with this hardware. System memory for min is 8 GB. Another thing to consider is the DirectX capability of your GPU. Infernal Radiation needs a GPU capable of running DirectX 9. To summarise, Infernal Radiation needs around a 8 year old PC to play at recommended settings.