Check the second high quality test video to better see GR quality differencies
--- The temporary FPS fix is to set GR Grid to 32 or 16, instead of 64. There's a little but acceptable loss in rays quality, but edges have the same quality as Ultra setting. Check the linked video.
Livestreamed from NVIDIA GeForce Experience
GPU: GeForce GTX 980
CPU: Intel(R) Core(TM) i7-6700K CPU @ 4.60GHz
Memory: 16 GB RAM
Resolution: 1920x1080@60Hz
Driver version: 358.91
Operating system: Microsoft Windows 10 Professionnel
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