A countertop microwave makes it easier to reheat leftovers, defrost frozen food and prepare simple meals without using a full size oven. When comparing models, consider cooking power, internal capacity, counter space and whether features such as sensor cooking, preset menus or mute controls would improve daily use. A compact microwave may be enough for drinks and small portions while a larger model can accommodate dinner plates, bowls and family sized dishes. This comparison includes the spacious Toshiba EM131A5C-BS with smart sensor controls, the compact COMFEE’ EM720CPL-PMB for smaller kitchens and the powerful Panasonic NN-SN686S with inverter technology.