Here are the minimum system requirements to run Dead Space smoothly and efficiently without any crash, freeze, slowness etc. on any computer;
Minimum System Requirements:
CPU: 2.8 GHz processor or equivalentRAM: 1 GB RAM (XP), 2 GB RAM (Vista)GPU: 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)
256MB Video Card and Shader Model 3.0 requiredDirectX: The latest version of DirectX 9.0cOS: Windows XP (SP2) or VistaHDD: At least 7.5GB of hard drive space for installation, plus additional space for saved games.Sound Card: DirectX 9.0c compatible
Please also have a look at other posts under “System Requirements” category to view & check if your computer system is powerful enough to run other games like Dead Space smoothly.