Grand Theft Auto V [GTS 450] HD

My PC: Intel Core i3 550 4 GB RAM DDR3 Nvidia Geforce GTS 450 1 GB FPS with Fraps 25-30,without Fraps 30-45. Settings: DirectX 10 FXAA-ON MSAA-OFF Population density-100% Population Variety-0% Distance Scaling-100% Texture Quality: Normal Shader Quality: High Shadow Quality: Normal Reflection Quality: High Reflection MSAA: Off Water Quality: Very High Particles Quality: Very High Grass Quality: Normal Soft Shadows: Softly Post FX: Normal Motion blur Strenght-0% Anisotropic Filtering: 16x Ambient Occlusion: High Tesselation: Off Advanced Graphics: All Off