T vs SONY Comparison

The wireless business contributes nearly 70% of AT&T's revenue. The company is the third-largest US wireless carrier, connecting 74 million postpaid and 17 million prepaid phone customers. Fixed-line enterprise services, which account for about 14% of revenue, include internet access, private networking, security, voice, and wholesale network capacity. Residential services, about 11% of revenue, primarily consist of in-home broadband internet access, serving 15 million customers. AT&T also has a sizable presence in Mexico, with 25 million wireless customers, but this business only accounts for 3% of revenue. The company recently sold its 70% equity stake in satellite television provider DirecTV to its partner, private equity firm TPG.

Sony Group is a conglomerate with consumer electronics roots, which not only designs, develops, produces, and sells electronic equipment and devices, but also is engaged in content businesses, such as console and mobile games, music, and movies. Sony is the global top company of CMOS image sensors, game consoles, professional broadcasting cameras, and music publishing, and is one of the top players on digital cameras, wireless earphones, recorded music, movies, and so on. Sony's business portfolio is well diversified with five major business segments.