作者16:9

https://www.overclock3d.net/reviews/software/call_of_duty_modern_warfare_rtx_raytracing_pc_analysis/1
這邊更明顯
而且他有說
Call of Duty: Modern Warfare's raytracing is designed to be relatively light on performance. Not all light sources cast raytraced shadows. Only Point lights and other man-made lights can cast DXR shadows. Sunlight will not cast raytraced shadows, severely limiting the impact of raytracing in daylight scenes.
故意要降低對效能的衝擊