In my experience (I'm in the US) the chip cards were noticably slower when they were first introduced, but in the last year or so that seems to have been mostly

In my experience (I'm in the US) the chip cards were noticably slower when they were first introduced, but in the last year or so that seems to have been mostly resolved. Gas pumps are the one big holdout that still does mag-stripe reads. I don't think I've seen a chip read gas pump anywhere yet.