GPU Tweak is a software utility designed to optimize and enhance the performance of graphics processing units (GPUs). It allows users to monitor their GPU's performance metrics, such as temperature, clock speed, and memory usage, providing real-time data for better management of gaming and graphic-intensive applications. Additionally, GPU Tweak offers features for overclocking, enabling users to increase their GPU's performance beyond factory settings. The software includes customizable profiles, allowing users to switch between different performance settings based on their needs, whether for gaming, video editing, or everyday tasks.