Awesome but this damn grass(among other things) takes 100% of GTX 1070 computing power and even beyond so yeah...

No it’s NOT good now. Performance is broken on PC since Pathfinder and still not fixed. Without gtx 1080 or 1080 ti you won’t have 60 fps in this game. Not only that even slight fps drops cause major stutter. So no, it’s not good. You can see the problem here: