Cyclonic Convection vs. Pure Conduction Searing
The Ninja Foodi Smart XL (DG551) operates using a hybrid thermal method. It does not just heat the bottom plate; it blows super-heated air up to 260°C downward using an internal convection fan. This high-velocity air configuration rapidly strips moisture away from the surface of your meat, allowing the oil and proteins to hit searing temperatures instantly without drying out the interior core of the steak.
The Ninja Griddle (GR101) approaches searing through raw thermal conduction. By interlocking the heating elements directly inside the thick die-cast aluminum griddle plate itself, it prevents the temperature drops that occur when a cold piece of meat hits a standard thin pan.