4G is coming out this year, but what are the benefits of it? Is it being marketed well enough? Look at it this way. If Intel released a quintuple core processor, you'd naturally think this allows for better processing power. But how exactly? How would this lead to better performance or better applications? The iPhone 5 will most likely be 4G, to take advantage of the launch this year. but so what? what benefits will having a 4G phone bring?