Pork loin and pork tenderloin are easily confused. The biggest differences are the size of each cut and how to cook them. Pork loin is wide and thick with visible fat. To cook pork loin, it’s best to sear it briefly on the stove until it is browned and the finish cooking it in the oven. Pork tenderloin is narrow and thin with little visible fat. Pork tenderloin can be grilled or seared over high heat quickly. Pork chops tend to be leaner than other pork cuts and are quick and easy to cook.