You need a Core i5-4460 3.2GHz or FX-8370 processor coupled with a GeForce GTX 970 4GB to run Green Hell system requirements at recommended. You can expect to get around 60FPS at 1080p screen res on high graphics settings with this hardware. For your PC to completely meet the recommended requirements you will also need 8 GB system memory. System memory for min is 4 GB. You will require a DirectX 11 GPU.