Well, that also is giving me 60FPS now - however, i’m just so baffled as too what you mentioned with getting 60FPS temporarily, and also the fact that when rendering no landscape or assets, while still get the low 30FPS with the native 4k res…
Must still be an underlying issue going on, maybe it was a recent windows patch, UE4 and nVidia graphics driver all fighting and overall causing the GPU to stress for nothing.