Samsung has confirmed the presence of ray-tracing technology on a future Exynos GPU. Ray tracing should produce images in games that create a higher immersion factor due to lighting and shadow refinements. However, the screenshot comparison provided by Samsung for Exynos ray tracing has been met with a mixed response.
https://www.notebookcheck.net/Samsung-confirms-Exynos-ray-tracing-with-screenshot-comparison-that-conjures-up-mixed-response-and-performance-concerns.568909.0.html