There are also some lags, like half second mini-freezes. Mostly in battles.
I had that too. Mostly in huge battles where 50-60 characters are on the map: Noble House war 30v40, Random Fight 12 brothers v 20 raiders v 15 direwolves. I tried that noble war fight with all different video settings but nothing changed.
Then again, there is now a new patch so maybe they already fixed it.