Unknown. Help us by suggesting a value. (Breville Dual Boiler)
Unknown. Help us by suggesting a value. (DeLonghi EC 860)
A higher number of grind settings gives you more flexibility when choosing the fineness of your ground coffee. The particle size is important as a grind which is too coarse can produce weak tasting espresso, whereas a grind which is too fine can lead to a bitter taste.
Number of grind settings: is this important to you?