iOS 4.2 is a major new update for iPhone, iPod Touch and iPad – built on the strong foundation of iOS 4 – which introduces many new features, fixes and overall performance improvements. If you ever wondered how much iOS 4.2 improved the experience from a memory usage standpoint, take a look at the graph below, compiled by the guys over at iPadevice.
The graph doesn’t come with a provided scale, but it gives you a quick idea of the performance improvements Apple focused on for the release of iOS 4.2 for iPad.