APPLE on Tuesday unveiled two new versions of the iPhone, boosting the screen size of the iconic smartphone to 4.7 and 5.5 inches.

Unveiling the iPhone 6 and iPhone 6 Plus, Tim Cook said the company was launching “the biggest advancement in the history of iPhones.”

Apple senior vice president Phil Schiller, speaking at the event in Cupertino, California, said the new iPhones were “simply stunning” with improved displays thanks to polarized glass.

DON’T MISS: GOLD IPHONE 6 ALREADY UP FOR SALE

Both the handsets iPhone 6 and iPhone 6 plus are powered by the Apple-designed A8 chip.The A8 is able to sustain performance-intensive tasks, like playing a game at higher frame rates. The iPhone 6 is up to 50% more energy efficient, claims the company.

If we talk about the thinness, the iPhone 6 is merely 6.9 mm while iPhone 6 Plus is just a smidge more at 7.1 mm.

The iPhone 6 has a resolution of 1334 by 750 with 326 pixels per inch, for a more than 720p Retina HD display. iPhone 6 Plus has a resolution of 1920 by 1080 with 401 pixels per inch. That’s full 1080p HD resolution.

Apple’s move comes as consumers are switching to handsets with bigger displays to watch videos and browse the Internet.

How Much Will The iPhone 6 Cost?

The iPhone 6 is priced at $200 for 16 GB, $300 for 64 GB, and $400 for 128 GB, with a two year contract.

The larger iPhone 6 Plus commands a premium: $300 for 16 GB, $400 for 64 GB, and $500 for 128 GB.

Both phones come in silver, gold, and black. Pre-orders start this Friday, September 12, and the phones go on sale Friday the 19th.