Maybe, the samurais and knights are both warriors, but that does not mean they are similar. In 1000 - 1500, during the medieval times, Japan built a warrior class called Samurai and Europe built a warrior class called Knights. They developed a thing called feudalism and they built a warrior class. Were the similarities greater than the differences or are the differences greater than the similarities? The similarities between samurai and knights were not greater than the differences. This can be shown by looking at three areas, social positions, training and armor, and life and death.
The first area of important differences was social positions. Japan has an emperor and Europe has a pope on top of the the social