Here are the Dead Space 3 System Requirements (Minimum)
CPU: Info
CPU SPEED: 2.8 GHz
RAM: 1 GB RAM (XP), 2 GB RAM (Vista or Windows 7)
OS: WINDOWS XP (SP3), Vista (SP1) or WINDOWS 7
VIDEO CARD: NVIDIA GeForce 6800 or better (7300, 7600 GS, and 8500 are below minimum system requirements)ATI X1600 Pro or better (X1300, X1300 Pro and HD2400 are below minimum system requirements)