Jeb Bush, in contrast, is a snoozer. You not only know what he’s going to say but also know it’s not going to be very interesting. But I’d bet he’s a lot more pleasant at a dinner party or across a negotiation table
How to Train Yourself to Be More Charismatic
Larry Kim

I can relate this to myself. Being on feet is a lot tougher and I appreciate people who think deep and put brain to analysing ideas before spraying them out. I don’t specifically know if people who spur ideas and make quicker conversation have higher knowledge. I don’t think so that our instant memory can outsmart deep memory.