6 reasons why Samsung should fear the iPhone 6

Apple created the smartphone era, while Samsung has ruled the charts over the last four years. But Apple's product announcements on September 9 may change the course of the smartworld.

The last few years will likely go down as a golden age for Samsung Electronics. While Apple defined the modern smartphone with its iPhone in 2007, Samsung has been growing far more rapidly. Since 2010, Samsung's share of the smartphone market has quadrupled to 31%, according to research firm IDC. Apple's share has barely budged in that same period, ending 2013 at about 15%.

But Apple may finally have the right ingredients to reverse Samsung's fortunes. On September 9, Apple is set to unveil not only a new phone, which some pundits are calling the iPhone 6, but also details of a longawaited smartwatch that will work in concert with the new phone. Bloomberg News has reported several of the features expected to be packed into the next iPhone, including larger screen sizes and a payments system allowing customers to use the device to make purchases in stores. Put all of these pieces together, and you get some potentially profound changes that could sap the advantages of Samsung's hot-selling Galaxy line of products.

We don't know everything about the new iPhone, but we know this: It won't be a good day for Samsung. Here's why: