Will the interface slow down on a MacBook Pro Retina 13" 2014?

Question

macOS

I saw a video on YouTube where the interface is screwed up on this laptop. I'm going to buy it, but this stops me.
PS
I went to the store today and made sure that he podlagivaet. When resizing the window, the animation is jerky. Air stood nearby and everything is fine there.

Answer 1

On the MacBook Pro Retina 15 "2014, there is such an effect, sometimes it lags a little.