1. White Sesame seeds are flat, pear-shaped seeds with an off-white color. The seeds measure approximately 3 millimeters in length and are bulbous at one end, tapering down into a rounded point. The seeds can be easily crushed or ground in hand and have a high oil content, creating a paste. 2. What is the difference between sesame seeds? In addition to containing more nutrients, black sesame seeds have a stronger flavor and more crunch than white sesame seeds that have had their outer hull removed. 3. Here are 15 health benefits of sesame seeds.