Sure if you play a game that is coded for 4 CPU cores that is becoming more common yes if you had 2 cores for example ur card would be bottlenecked/choked thanks to that.
Other than that its the coding that is crap if your.
So passionate as I am I made this video showing that if this were true I would get less frames in games with my 2016 GTX 1080 with my 2012 3770K CPU right? It bottleneck the shit out of it right?