I'm not good enough at English style to do a real comparison myself. I know I knit more tightly Continental because I can hold the yarn more easily in my left hand and I've only recently been able to knit English style at all. I'd be interested in knowing what people who do both styles well experience. I wouldn't be surprised if at least some primarily English style knitters knit more loosely when knitting Continental. Maybe we Continental knitters are more like to have a choke hold on the yarn.
I should never overestimate my basic arithmetic skills.