Knight vs. Samurai: Knight and samurai were both very good warriors of their times. Knights were located in Europe, while Sumeria was in Japan. Both of these were well trained, educated, and had good manners. But if we talk about knight vs. samurai differences, both were different in their history, clothes, training, and fighting strategies. But the main difference between knights and samurais, which can be differentiated easily, is their armor and weapons.