Apple’s phone for Verizon has a dual-band chip that may allow Apple to build just one phone for all carriers.

After years of “will they or won’t they” speculation, the “dream phone,” or Verizon iPhone, hit store shelves, and depending on who you ask, it’s either the best of both worlds — the greatest smartphone running on America’s best cell phone network — or simply last year’s model on a carrier you could care less about.

For those excited about the iPhone 4’s second coming, though , it’s worth noting that although the Verizon VZ version resembles AT&T’s T in many, many ways, there are also some very subtle differences. Chief among them: a dual-band chip that could pave the way for the phone to easily run on every every carrier, changes to the external antenna, and the fusion of the LCD screen to gorilla glass that may make for steeper replacement charges if you crack it.

Check out our side-by-side video comparison for more.