IDCC vs KMX Comparison

InterDigital Inc is a research and development company focused on wireless, video, Artificial Intelligence, and related technologies. It designs and develops technologies that enable connected, immersive experiences in a broad range of communications and entertainment products and services. The majority of revenue is generated from fixed-fee patent license agreements, with a smaller portion coming from variable royalty agreements. Geographically it operates in the United States, China, South Korea, Japan, Taiwan, and Europe, out of which the majority is from China.

CarMax sells, finances, and services used and new cars through a chain of over 250 used retail stores. It was formed in 1993 as a unit of Circuit City and spun off into an independent company in late 2002. Used-vehicle sales were 83% of fiscal 2025 revenue and wholesale about 17%, with the remaining portion composed of extended service plans and repair. In fiscal 2025, the company retailed and wholesaled 789,050 and 544,312 used vehicles, respectively. CarMax is the largest used-vehicle retailer in the US but still estimates that it had only about 3.7% US market share of vehicles 0-10 years old in calendar 2024. It seeks over 5% share. CarMax is based in Richmond, Virginia.