If we are strictly talking about cooking meat over an iron griddle, then you are comparing Yakiniku with Korean BBQ. There is no major difference except that the Japanese-style tends to use sweet & salty sauces (i.e. soy, mirin, ponzu) whereas Korean-style leans towards zesty & spicy marinades. read more
When comparing these two types of barbecue, we are actually comparing a number of different barbecue subcategories. First, Korean barbecue can be divided into two main categories called bulgogi and galbi. read more