FCAT
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We at NVIDIA created a tool called Frame Capture Analysis Tool (FCAT) to maximize the performance of your GPU. To do that, FCAT identifies performance degradation, including dropped frames, runt frames, micro-stuttering, and other problems that reduce the visible smoothness of the action on-screen, even when running at sixty frames per second and above as reported by FRAPS. Through FCAT, GeForce is able to build better GPUs that deliver faster, smooth and improve performance for PC gaming.