AMD's FidelityFX is a suite of visual enhancement technologies designed to improve gaming graphics and performance. It includes features like Super Resolution, which boosts frame rates while maintaining high image quality, and Contrast Adaptive Sharpening, which enhances details in images without introducing artifacts. FidelityFX is compatible with a wide range of graphics cards, not just those made by AMD. This allows developers to implement these technologies in their games, providing players with a better visual experience across various platforms. The goal is to make games look stunning while ensuring smooth performance.