Ghosting when Realtime toggle is activated in Viewport

Hi,

i’m experiencing ghosting when in real time mode in viewport and in game. At first i thought this was caused by more graphics card, Nvidia Titan X 12GB, but then when i untoggled realtime the ghosting went away. It is not motion blur. The first frame is frozen and faded / overlayed over the following frames until the camera stops moving.

Appreciate any suggestions.

Im having this issue in 4.15. Did you solve this?