A:Answer Hello! The Panasonic NN-SD975S 1250-watt microwave oven features advanced cooking technology and one-touch convenience. Its Cyclonic Wave Inverter Technology uses efficient 3D wave circulation to make food preparation easier and more versatile. The patented Inverter Technology ensures a consistent flow of cooking power, resulting in evenly cooked meals from the edges to the center. The Panasonic NN-SD987SATH 1250-watt microwave oven incorporates Inverter Technology, which provides a steady stream of power for consistent and even cooking. This advanced technology ensures that your meals are cooked thoroughly from the edges to the center. With its user-friendly features, this microwave offers efficient and versatile food preparation. As in the end, this would be a matter of personal preference, we're afraid that an exact answer to this cannot be provided. We recommend you review the specifications of the two models to determine which would fit your needs best. -C
