Hello  @Yamamoto and @blazemonger,   cheers for your fast reply and suggestions.   I have checked the video link.   I have attached my settings after the thread change. Shadows had already been set to "low".   PC system spec Ryzen 5 3600 stock clock GTX 1070 8 GByte VRAM @4K always at 100% maxed out (tried Full HD as well) > edit: 4K averages at 24 fps (nothing around my avatar but a few constructs) latest NVIDIA GPU drivers