ipc43aw and ipc44aw are two different models. They may differ in terms of functionality, performance, or design. Specific differences may include, but are not limited to: processor model, memory capacity, storage space, screen size, camera pixels, battery capacity, operating system version, etc. In addition, they may have different exterior designs, connectivity options, sensor configurations, and so on. To learn the exact difference, refer to the product specification sheet or contact the manufacturer for more information.