Lower framerate by 5-10 FPS and higher objects count

[Pjotr]

It seems there is already a fix for the SSAO problem in master: https://github.com/EpicGames/UnrealEngine/commit/e7111598e7b77e1c766839db0d4e689626650a23
and in the 4.9 branch: https://github.com/EpicGames/UnrealEngine/commit/95f962d063e919b4d9b02967a75dbba7e3ba1a6b

So it will get fixed in the next hotfix.