It's because the standard webcam interface is based on a slow USB 2 interface which can only support enough bandwidth for 720p video. To upgrade your webcam, la

It's because the standard webcam interface is based on a slow USB 2 interface which can only support enough bandwidth for 720p video. To upgrade your webcam, laptop manufacturers would need to make significant changes to both the interface and the operating system. Add that onto the lack of economic incentive, it's just not worth the cost. Here's a good video that gives a run down: https://www.youtube.com/watch?v=-BLgS7m0W94 https://www.youtube.com/watch?v=-BLgS7m0W94