To run Lightning Returns: Final Fantasy XIII on high graphics settings your PC will require at least a 0MB GeForce GTX 460 / Radeon HD 5770 1024MB with a Core 2 Quad Q9400 2.66GHz or Phenom II X4 925 CPU. Lightning Returns: Final Fantasy XIII needs a Pentium Dual Core E2180 2.0GHz or Athlon 5000B Dual Core processor coupled with a GeForce 8800 GT to get it to run minimum system requirements. This will return around 30FPS at 720p screen res on low graphics settings, but you can also adjust the settings further to tweak. To be able to run at all you will need at least 1.5 GB system memory. Make sure your GPU can run DirectX 9 or Lightning Returns: Final Fantasy XIII won’t run. In short you need a 10 year old PC for best Lightning Returns: Final Fantasy XIII performance.